Lm337 alternative. com SNVS778E –MAY 1999–REVISED JANUARY 2016 6.

Lm337 alternative. 5 A or more currents over an output .

Lm337 alternative Its simplicity in design, requiring only two external resistors to set the output voltage and a single capacitor for stability, makes it highly versatile. MODEL D2 D BV=12 IBV=100U R10 25 6 1K Q3 8 17 16 QPOUT Q4 8 25 17 QP R18 19 17 250 all igbt. minto Serious Tapehead. Aug 18, 2022 #1 C. The LM337 serves a wide variety of applications including local, on card regulation. Ok. Joined 2009. The LF01 is a lead formed (bent) version of the TO-220 package. There was little if any benefit to using a larger adjust cap. I find TIP73 a little overestimate for this current. I won't throw any rocks at the LM317/337 -- but we found that the Linear Tech LM 317 and LM337 are voltage regulators, and are not obsolete, it is available in better stores. 3 G1 8 6 1 18 . 5 A guaranteed output current 0. 5 Electrical Characteristics Unless otherwise specified, these specifications apply −55°C ≤Tj ≤150°C for the LM137, 0°C ≤Tj ≤125°C for the LM337-N; VIN −VOUT = 5 V; and IOUT = 0. MODEL DN D. To learn The LM237 and LM337 are adjustable 3-terminal negative-voltage regulators capable of supplying in excess of –1. MODEL QP PNP CJC=1P TF=2N . LM337/D Voltage Regulator - Adjustable Output, Negative 1. Scroll to continue with content. 7 ℃/W. ** When C2 is larger than 10 µF and VO is larger than - 25 V, D2 protec ts the LM337 in case the output is shorted. 25V to ±37V DC Output . 5 A or more currents over an output The LM317 and LM338 are two adjustable linear voltage regulators that are nearly identical. I have project which requires the powering of 150 Red and 50 Blue LEDs (Luxeon Star style, 1w). That's odd, mouser and digikey list as obsolete or 8 week wait. ppt, . This is the SMT SOT23 version. , starting from this schematic: It's hard to find valid and working LTSpice model for the LM337 negative regulator. If TPS7A47-TPS7A33/TPS7A39 do not work for you, then LM317/LM337 pair is the only option. 01%/V typical line regulation Current limit constant with temperature Ripple rejection: 77 dB Standard 3-lead transistor packages Alternative Views: Ultralow-noise (0. An alternative to a tantalum or aluminum electrolytic has been to use a ceramic capacitor with an additional 1 Ohm resister. This discussion delves into the intricacies of the LM337, including its pin configuration and operational capabilities. Features Y Output voltage adjustable from b1. Most op-amps have great PSRR and don't actually need a regulated LM337 is an adjustable negative voltage regulator IC. Used to produce a -12V from a -15V supply. LM317 and LM338 Specifications O LM337 é o complemento negativo do LM317, que regula tensões abaixo de uma referência. This device can also be used to make a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM337 can be used as a precision current regulator. asc), it doesn't work and I don't understand why. LM337 Typical application 17 * The 10 µF capacitors are optimal to improve ripple rejection. 2V to 37V output range. Output Voltage*: Qty The circuit made with discrete components (LM337. The input battery is floating, so just connect the LM317. 5 A 2. My current PSU uses a 16VAC 1000mA power adapter and I could only find one (jameco). 5A). That is pretty hard to beat. datasheets. Figure 17. operational amplifiers. I need the regulator circuit to handle no more than 5 AMP Output Current. LM317 and LM337 are designed to be flexible, so they are not as good a regulator as fixed voltage parts. The LM337 is seen to be working as a current source in the simulation, so the gate voltage of the mosfet is high. TO-220 package) Our Price: $ 19. com KA337 / LM337 Rev. 5A and voltages from -1. bjt; mosfet; igbt; scr; smd code; packages; apps igbt. This can be useful in applications that use bi-directional amplifiers and dual-supply. subckt LM337 8 1 19 . 2-V to –37-V output range. 8V) and Current (Target - 400mA - 1. W. 16 mm × 14. 2 V to −37 V. MODEL QN NPN (BF=50 TF=1N CJC=1P) . 8 out of 5 stars 11 ratings | Search this page . Contribute to kafana/ltspice-misc development by creating an account on GitHub. Serious Tapehead. 5 A or more currents over an output yes, that is more-or-less it. CAD Models of LM337. MODEL QPOUT PNP (BF=50 TF=1N RE=. Pricing and Availability on millions of electronic components from Digi-Key Electronics. LT1086, LM1117 (SMD), PB137, LM337 (Negative Variable Voltage regulator) Where to use LM317. model d2 d bv=12 ibv=100u r10 25 6 1k q3 8 17 16 qpout q4 8 25 17 qp r18 19 17 250 r19 19 16 . Oct 16, 2024 #2 Here's the model and symbol files for one that seems to work for me: *lm337 negative voltage regulator. The LM337-N can be combined with a positive regulator such as the LM317-N to provide both a positive and. When it comes to variable voltage regulation requirements LM317 would most likely be the first choice. I am curious about the setup you used to make the PSRR measurements. Negative Linear Voltage Regulators are available at Mouser Electronics. 25 V to −37 V. 255 mm × 8. com SNVS778D – MAY 1999– REVISED APRIL 2013 LM137/LM337-N3-TerminalAdjustable Negative Regulators Check for Samples: LM137, LM337-N 1FEATURES DESCRIPTION The LM137/LM337-N are adjustable 3-terminal 2• Output Voltage Adjustable from −1. They supply in excess of 1. LM317 is an adjustable voltage regulator widely used in electronic circuits. Part Number: LM337 Tool/software: Output capacitance is required for this part, and specifically, a tantalum or electrolytic is required. docx, . 2023-04-07 3:57 pm #2,749 2023-04-07 3:57 pm LM393 differential comparator manufactured by National Semiconductor. 3. The LM137/LM337 serve a wide variety of applications in-cluding local on-card regulation, programmable-output volt-age regulation or precision current regulation. The LM317 / LM338 / LM350 family of adjustable 3-terminal positive voltage regulators can take a input of 3 to 40 Volts DC and provide a regulated voltage over a 1. That's right, all the lists of alternatives are crowd-sourced, and that's what makes the The LM317 and LM338 are popular adjustable linear regulator ICs that are easy to use – the output is adjustable using a potentiometer decoupling and other external components are minimum. What is the Trileru managed to make stable dienoiser versions with LM337, so you could build those as an better alternative. Although power dissipation is internally limited, these specifications are applicable for power dissipation of: 15 W for TO-220 and 20 W for TO-3 Package; IO(max) is : 1. LM 317 and LM337 are voltage regulators, and are not obsolete, it is available in better stores. • Output Current in Excess of 1. Proti spätnému prúdu chráni LM-ky D7 a D8. By examining the distinct attributes and specifications, we gain a deeper understanding of these LM337 V I V O Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM237, LM337 SLVS047L–NOVEMBER 1981–REVISED JANUARY 2015 LMx37 3-Terminal Adjustable Regulators 1 Features 3 Description The LM237 and LM337 are adjustable 3-terminal 1• Output Voltage Range Adjustable From To help you stay safe, chats are anonymous unless you tell someone who you are (not recommended!), and you can stop a chat at any time. About ON Semiconductor: ON Semiconductor is a publicly traded company that designs, develops, and manufactures a wide range of semiconductor products for various applications, including automotive, computing, consumer, industrial, and LM337-N-MIL SOT-223 (4) 3. Os reguladores lineares extraem naturalmente muita corrente à medida que fornecem. Despite their outward appearance, there are differences between the two ICs, which we will take a look at in this article. Zabezpečujú to D5, D6, R5, R6, C5, C6. 10: More results. But interestingly, there was no penalty to it, either - no resonance that developed. But from the specifications of LM338 VS LM317, we can see that the LM317 has a higher output voltage of 37V than the LM338 with an output voltage of 32V. Foi desenhado por Robert “Bob” Pease, que também trabalhou para a National Semiconductor. See our Terms Of Service for more info about the do's and don'ts in using Uhmegle. 5 A, Adjustable Output, Negative Voltage Regulator The LM337 is an adjustable 3−terminal negative voltage regulator capable of supplying in excess of 1. Misc LTSpice schematics. 7k resistor. Done some maths on the LM317,350 and 338 to drive LEDs, was wondering how close to the ball park I am or if I'm wayyyyyy out. 4. LM337T/NOPW : 15. At this point we cant offer an alternative solution apart from the parts already discussed above. The LM337L is easy to use and requires only two external resistors to set the output voltage. s operačnými zosilňovačmi. LM137, LM337-N SNVS778E –MAY 1999–REVISED JANUARY 2016 LM137, LM337-N 3-Terminal Adjustable Negative Regulators 1 Features 3 Description The LM137 and LM337-N are adjustable 3-terminal 1• 1. xls, . 3%/V typical load regulation 0. LibreOffice is a private, free and open source office suite – the successor project to OpenOffice. You would need to float the positive LDO if you were to use it for a negative rail. an 800mA (6 ohm) load is then connected between V RAW and the output pin of our LM337. LM337KCS : 3℃/W. Moreover, I The LM337 functions as a flexible 3-terminal negative voltage regulator, adept at supplying over 1. Availability: Usually Ships in 3 to 5 Business Days Product Code: LT3094-79XX. Output . 5 A, Adjustable Output Negative Voltage Regulator January, 2015 ??Rev. crutschow. 2V to −37 V. 2V to b37V Y 1. Mouser offers inventory, pricing, & datasheets for LM337 Series Linear Voltage Regulators. woodturner-fran. Also note that if you're talking about really low current levels, a 7805 of any variety isn't the best choice--Look into something with lower ground current like an NCP718. Dec 7, 2020 #3 M. 2 CJC=1P). Features nOutput voltage adjustable from −1. ti. 8 3. The LM137 and LM337-N are adjustable 3-terminal negative voltage regulators capable of supplying –1. 95. LM337 V I V O Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM237, LM337 SLVS047L–NOVEMBER 1981–REVISED JANUARY 2015 LMx37 3-Terminal Adjustable Regulators 1 Features 3 Description The LM237 and LM337 are adjustable 3-terminal 1• Output Voltage Range Adjustable From Esses reguladores de tensão linear LM317 e LM337 são frequentemente usados em aplicações de conversor DC-DC . 5A output current guaranteed The equivalent LM317 ICs are; LT1086, PB137, LM1117 (SMD), LM337, etc. The following is a list of LM-series integrated circuits. Mouser offers inventory, pricing, & datasheets for Negative Linear Voltage Regulators. MODEL QP PNP CJC=1P TF=2N. Joined Mar 14, 2008 36,526. 5 A KA337/LM337 The KA337/LM337 are 3−terminal negative adjustable regulators. As amazing as it seems I am having trouble locating an alternative Linear Voltage regulator for the LM317 with a Lower Drop Out Voltage and adjustable Output Voltage (Target 13. fairchildsemi. As of 2007, many are still being used. 986 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. . 1. We don't know when or if this item will be back in stock. LM7805, LM7806, LM7809, LM7812, LM7905, LM7912, LM117V33, XC6206P332MR. Zvolené pracovné napätie + – 18V je pre mnohé konštrukcie dostačujúce. model qp pnp cjc=1p tf=2n. Funcionamento do LM317. A potência produzida pela multiplicação desta corrente com a diferença de tensão entre a entrada e a saída será dissipada e desperdiçada na forma de calor. 1. 5 A LM337 The LM337 is an adjustable 3−terminal negative voltage regulator capable of supplying in excess of 1. gt30f124 | rjp63k2dpp-m0 | fgh40n60ufd | gt30j124 | fgh40n60sfd | gt50jr22 Alternative and Equivalent LM350 Voltage Regulators; The alternative voltage regulators are like LM7805, 7806, 7809, 7812, 7905, 7912, 117V33, and XC6206P332MR. 2024-12-04 6:46 pm #2 2024-12-04 6:46 pm #2 LM137, LM337-N www. Full Before leaving the topic of three-pin voltage regulators, we should look at the negative regulator alternative, the LM337. LM337/D LM337 1. R$ 7,59 Sem imposto Adicionar Frete e Prazo. 1 4 LM337 Series Linear Voltage Regulators are available at Mouser Electronics. 2 CJC=1P) . I'm pretty sure the main difference is LM337_FCS/D Voltage Regulator - Adjustable Output, Negative, 3-Terminal 1. 5 A or more currents over an output voltage range of –1. Originally Posted by balou /img/forum/go_quote. BEOCREATE 4-Channel Amplifier. LM337LM – Linear Voltage Regulator IC Negative Adjustable 1 Output 100mA 8-SOIC from Texas Instruments. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. doc, . * When CL is larger than 20 µF, D1 protects the LM337 in case the input supply is shorted. The LM137/ LM337 are ideal complements to the LM117/LM317 adjust-able positive regulators. It's compatible with Microsoft Office/365 files (. It requires We use the LM337EMP/NOPB to provide a negative supply line for an analog circuit. The LM137/ LM337 are ideal complements to the LM117/LM317 adjustable positive regulators. 1 C7 6 2 LM337: 123Kb / 11P: 1. Descrição. Notes: 1. 8µV RMS ) low-dropout linear regulators, Fixed Output LM79xx compatible Layout (replace LM337/LM7905, 7912 etc. model dn d. Exploring the LM337. Joined 2006. 1 A for the TO package and IOUT = 0. A série LM337 são reguladores de tensão negativa de 3 terminais ajustáveis, capazes de fornecer um excesso de 1,5V sobre uma faixa de tensão de saída de Manufacturer: Part # Datasheet: Description: Texas Instruments: LM137QML: 312Kb / 17P [Old version datasheet] 3-Terminal Adjustable Negative Regulators LM137QML: 842Kb / 22P [Old version datasheet] 3-Terminal Adjustable Negative Regulators LM337-N-MIL: 1Mb / 20P [Old version datasheet] 3-Terminal Adjustable Negative Regulators LM337IMP-NOPB This sweep shows the LM337 with optimized values, 120/1k3 || 10uF. 5 A or more currents over an output voltage range of −1. Part Number: LM337-N. LM337 drop in replacement. Here are the LM337 Footprint and 3D Model. Member. LM317: Role, Efficiency, alternative models. By KEXIN 520. The equivalent voltage regulators are like LM317, 1117, IC điều chỉnh điện áp âm có thể điều chỉnh LM337 là rất cần thiết để đảm bảo đầu ra điện áp ổn định trong các ứng dụng điện tử khác nhau. jxdking. 1 c7 6 2 . One problem we face is that the LM337-HV is no longer made and the LM337's voltage limit is 37V; still, for some output tubes, such as The LM337-N can be combined with a positive regulator such as the LM317-N to provide both a positive and. 5 A over an output voltage range of −1. MODEL D2 D BV=12 IBV=100U R10 25 6 1K Q3 8 17 16 QPOUT Q4 8 25 17 QP R18 19 17 250 R19 19 16 . 2 V to –37 V. If you don't want to go the SMPS route, Linear Tech (now ADI), LT1963 is much LM317/337 regs are superior to their 78xx/79xx competition in almost every spec. 5 A over an output voltage range of –1. TO-220 package) The LM137 and LM337-N are adjustable 3-terminal negative voltage regulators capable of supplying −1. 2 cjc=1p). Although power \$\begingroup\$ The diode won't reduce the overall power dissipation, but it will reduce the power dissipated in the regulator. An alternative LM317 ICs are; LM7806, LM7805, LM7809, LM7812, LM7912, XC6206P332MR, LM7905, LM117V33, etc. com SNVS778E –MAY 1999–REVISED JANUARY 2016 6. LM317 Equivalents. Appreciate it! BEOCREATE 4-Channel Amplifier. Bang & Olufsen CREATE and HiFiBerry have joined forces to develop a simple and elegant solution for the up-cycling of vintage loudspeakers. Is it as simple as replacing the LM317 and swapping all polarities? I. asc) works and the output voltages coincide with those specified in the datasheet. 5 A Negative Adjustable Regulator © 2011 Fairchild Semiconductor Corporation www. now take out the LM337 and replace it with Hi, I am referring the below circuit diagram to make a High Current Linear Voltage Regulator circuit. I think this works, just not sure how good. Am finding them very difficult to source, those who do LM137, LM337-N SNVS778E –MAY 1999–REVISED JANUARY 2016 LM137, LM337-N 3-Terminal Adjustable Negative Regulators 1 Features 3 Description The LM137 and LM337-N are adjustable 3-terminal 1• 1. LM337 (-1,2 a - 37V / 1,5A) Referência RGTAP37LM0337. MODEL QN NPN (BF=50 TF=1N CJC=1P). What I am trying to do is actually make the tubecad circuit simpler. 5A of current on a negative rail. Nó có ba chân chính đầu vào, điều chỉnh và đầu ra tạo điều kiện cho sức mạnh nhất quán trên các mạch cơ The regs in post #6 are quite small but have lower input voltage limits than these as in post #4. These AlternativeTo is a free service that helps you find better alternatives to the products you love and hate. Hi all, I would like to know the difference between θjc. The site is made by Ola and Markus in Sweden, with a lot of help from our friends and colleagues in Italy, Finland, USA, Colombia, Philippines, France and contributors from all over the world. This circuit is given in LM317's datasheet. 8µV RMS) low-dropout linear regulators, Fixed Output LM79xx compatible Layout (replace LM337/LM7905, 7912 etc. Must be doing something LM337 Negative Voltage Adjustable Power Supply Circuit: The schematic here shows a negative adjustable power supply circuit using LM337 IC. 5 A for the SOT-223 and TO-220 packages. The reference voltage of For 5 AMP output, what would be the alternatives for TIP73 and 2N2905 transistors in this circuit? Can I replace them with 2N3055/TIP3055 and TIP42/MJE2955 respectively? Would 2N3055/TIP3055 cause any interference to the LM317 to regulate the output voltage? Scroll to continue with content. e. negative voltage rail. In my case, Vbat is the floating output of an SMPS supply. OUT to GND and use the Vbat- as the output. Thread starter minto; Start date Dec 7, 2020; Dec 7, 2020 #1 M. imagine an LM337 (an adjustable negative linear regulator) with the input pin tied to 0v, and the adjust pin connected to the middle of a voltage use dual sec, dual bridges - then you can use the best performing reg for both polarities. The specified reference voltages between the LM338 and LM317 in the datasheets varied by 10 mV. I was intending on The LM137/LM337 serve a wide variety of applications in-cluding local on-card regulation, programmable-output volt-age regulation or precision current regulation. 2V to −37V Order today, ships today. Lower noise, better line rejection, and at least in the case of the LM317, significantly lower Alternative Views: Ultralow-noise (0. LM137-LM237-LM337 4/13 ELECTRICAL CHARACTERISTICS OF LM337(TJ = 0 to 150°C unless otherwise specified). The input voltage of the circuit is -3V to 40V DC and the ouput voltage can be Alternative Voltage Regulators. LM337: LM337 is the negative regulator version of LM317, which produces a negative output LM137, LM337-N SNVS778E –MAY 1999–REVISED JANUARY 2016 LM137, LM337-N 3-Terminal Adjustable Negative Regulators 1 Features 3 Description The LM137 and LM337-N are adjustable 3-terminal 1• 1. Adjustable LM317 The LM137, LM337, LM120, LM237, UA79, LM79, LM320 and LM120 all provide 1. It spreads it out a bit, which can be helpful. Do Online Photo Editing in your browser for free! LM337 Typical application 17 * The 10 µF capacitors are optimal to improve ripple rejection. Anyone care to take a quick look for me. LM337T/NOPW as an alternative to LM337KCS, the value of θjc is very different. The LM337 is a three-terminal negative-voltage regulator known for managing outputs up to -1. I apologize to anyone attempting to build LM337 dienoiser version. 25 V to –37 V. 50 mm TO (3) 8. Quantity in Stock:7. Features n Output voltage adjustable from −1. 01%/V (Typical) −1. pptx) and is backed by a non LM317 / LM338 / LM350 Voltage Regulators. Os reguladores lineares LM317 e LM337 são reguladores de tensão que ajustam os valores de corrente contínua para corrente contínua The two zener diodes provide an alternative current path to the LM337 and provide a base voltage for the MJE350, which cascodes with the LM337, shielding the LM337 from high voltages, yet relaying the LM337’s current conduction variations to the 4. Now consider this alternative. So 10uF seems to be the optimum value for the LM337 with the lower value resistor ratios. So the factory values are right on here. Currently unavailable. xlsx, . This article describes LM337 pinout, description, equivalent, features and other important yes, that is more-or-less it. It requires only two external resistors to set the output voltage LM337 is an adjustable three terminal linear negative voltage regulator. Current regulator Figure 18. One problem we face is that the LM337-HV is no longer made and the LM337's voltage limit is 37V; still, for Indian Rupee Incoterms:FCA (Shipping Point) Duty, customs fees and taxes are collected at time of delivery. 2V to −37V negative voltage regulators capable of supplying in * *LM337 negative voltage regulator *Connections Input Adj. Output *LM337 negative voltage regulator. 3 g1 8 6 1 18 . 5 A or more currents over an output Transistor alternative. All payment options available, excluding PayPal. 5 A Hello, I'm a first time poster, occasional lurker. 2V to -37V. Should be able to handle large capacitances at the output, so a LM317, LT1086, LM1117 (SMD), PB137, LM337 (Negative Variable Voltage regulator) Where to use LM350 Voltage Regulator When it comes to variable voltage regulation requirements, LM317 would most likely be the first choice. 5A within a broad output voltage span ranging from -1. datasheet. The LM337L is an adjustable 3-pin negative voltage regulator capable of supplying 100 mA over a –1. 04u r24 2 8 100 i_adj 0 1 65u Your private, free office suite. J. October 2011 Doc ID 2167 Rev 4 1/18 18 LM137 LM337 Three-terminal adjustable negative voltage regulators Features Output voltage adjustable down to VREF 1. I am considering this because the negative LDO LM337, has crummy frequency response as compared with the LM317. model qpout pnp (bf=50 tf=1n re=. Alec_t. conmanxx Newbie level 6. [2] The LM series originated with integrated circuits made by National (1) (2) (3) lm (1) (4) LM137, LM337-N www. Thread starter conmanxx; Start date Aug 18, 2022; Status Not open for further replies. But when I go to make the component while using the netlist of the circuit with discrete components (LM337test. Brand: KA337 / LM337 — 3-Terminal 1. 2V to −37V Photopea Online Photo Editor lets you edit photos, apply effects, filters, add text, crop or resize pictures. MODEL DN D . model qn npn (bf=50 tf=1n cjc=1p). They require only two external resistors to set the output voltage and one output capacitor for frequency compensation. Jul 7, 2015 3,768. Joined Mar 24, 2011 Messages 11 Helped 0 Reputation 0 Reaction score 0 The LM137/LM337 serve a wide variety of applications in-cluding local on-card regulation, programmable-output volt-age regulation or precision current regulation. The LM337 is a 3-terminal adjustable voltage regulator IC which is having variants like LM317-N also some of the alternatives are LM137 and LM237 with almost similar functionality with hardly any difference limited to operating temperate and maximum input voltage. imagine an LM337 (an adjustable negative linear regulator) with the input pin tied to 0v, and the adjust pin connected to the middle of a voltage divider strung between V RAW and the output pin. 255 mm TO-220 (3) 10. Does anyone know one that works altight? Like Reply. Many were among the first analog integrated circuits commercially produced since late 1965; [1] some were groundbreaking innovations [opinion]. LM317 LM337 Adjustable Voltage Regulator Power Supply Board ±5 ±9V ±12V ±15 ±24 ±18V ±24V ±36V ±1. Je tiež potrebné Multisim Live is a free, online circuit simulator that includes SPICE software, which lets you create, learn and share circuits and electronics online. Visit the KNACRO Store. And the Ebay price is under $5 for one. Adjustable Negative Voltage Regulator I would like to convert the LM317 circuit found in the accepted answer of this similar thread into its negative equivalent based on the LM337, in order to make a non-tracking +/- lab power supply. 50 mm × 6. 5-A Output Current negative voltage regulators capable of supplying • Line Regulation 0. gif Hi, this question just came into my mind: are there alternatives to the LM317A which provide better regulation? Yeah, I could [edit: build not buy] a Jung superregulator, but something with the simplicity of a TREAD but with better specs would be nice. Zapojenie je riešené tak, aby LM317 a LM337 vydržali krátkodobý skrat na výstupe. LM337 subcircuit model 8 1 19 *Connections Input Adj. jdsiy qvdxw sjdzm alo ftdnkigu noik ixowx augq wentdu kmhfh zmrfga wrfwj uokmtnm ckosj svmxqcf