WSL3921L3000FEA

WSL3921, WSL5931 www.vishay.com Vishay Dale Power Metal Strip® Resistors, Low Value (Down to 0.0001 Ω), Surface Mount FEATURES • All welded construction of the Power Metal Strip® resistors are ideal for all types of current sensing, voltage division and pulse applications • Proprietary processing technique produces extremely low resistance values, down to 0.0001 Ω • Sulfur resistance by construction that is unaffected by high sulfur environments • Solid metal iron-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/°C) LINKS TO ADDITIONAL RESOURCES 3D 3D • Very low inductance 0.5 nH to 5 nH 3D Models Upgrade Performance Design Tools • Low thermal EMF (< 3 μV/°C) • AEC-Q200 qualified (1) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 Notes • Follow link to Overview of Automotive Grade Products for more details: www.vishay.com/doc?49924 (1) Flame retardance test may not be applicable to some resistor technologies STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL SIZE WSL3921 3921 WSL5931 5931 POWER RATING TOLERANCE P70 °C % W RESISTANCE VALUE RANGE Ω RESISTANCE VALUES CURRENTLY AVAILABLE (1) Ω WEIGHT (typical) g/1000 pieces 0.1m to 4m 0.1m, 0.2m, 0.3m, 0.5m, 0.7m, 1m, 1.5m, 2m, 2.5m, 3m, 4m 281 3.0 1.0, 5.0 5.0 1.0, 5.0 2m to 3m 2m, 3m 398 5.0 1.0, 5.0 0.1m to 1m 0.1m, 0.2m, 0.3m, 0.5m, 1m 1253 Note (1) Other values may be available, contact factory GLOBAL PART NUMBER INFORMATION Global Part Numbering: WSL3921L5000FEA (WSL3921, 0.0005 Ω, ± 1 %) (visit www.vishay.net Vishay Dale parts numbering manual for all options) W S L 3 9 2 1 L 5 0 0 0 F E A GLOBAL MODEL (7 digits) RESISTANCE VALUE (1) (5 digits) TOLERANCE CODE (1 digit) PACKAGING CODE (2) (2 digits) SPECIAL (3) (up to 2 digits) WSL3921 WSL5931 L = mΩ L5000 = 0.0005 Ω F = ± 1.0 % J = ± 5.0 % EA = lead (Pb)-free, tape/reel EK = lead (Pb)-free, bulk (dash number) (up to 2 digits) from 1 to 99 as applicable Notes (1) WSL marking (www.vishay.com/doc?30327) (2) Packaging code: EB (lead (Pb)-free) is a non-standard packaging code that designates a 1000 piece reel size. The non-standard packaging code is identical to our standard EA (lead (Pb)-free) packaged code, except that it has a package quantity of 1000 pieces (3) Follow link for customization capabilities: www.vishay.com/doc?48163 Revision: 18-Feb-2021 Document Number: 30110 1 For technical questions, contact: ww2bresistors@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 WSL3921, WSL5931 www.vishay.com Vishay Dale TECHNICAL SPECIFICATIONS PARAMETER RESISTOR CHARACTERISTICS WSL3921 WSL5931 ± 350 for 0.1 mΩ +300 for 0.1 mΩ (+25 °C to +170 °C) ± 150 for 0.2 mΩ ± 225 for 0.2 mΩ ± 170 for 0.3 mΩ ± 175 for 0.3 mΩ and 0.5 mΩ ± 150 for 0.5 mΩ to 1 mΩ ± 75 for 1 mΩ to 3 mΩ ± 50 for 1.5 mΩ to 4 mΩ < 20 -65 to +170 (P x R)1/2 UNIT Component temperature coefficient (including terminal) (1) TCR measured from -55 °C to 150 °C ppm/°C ppm/°C Element TCR (2) Operating temperature range °C V Maximum working voltage (3) Notes (1) Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal (2) Element TCR - only applies to the alloy used for the resistor element; refer to item 1 in the construction illustration on the following page (3) Maximum working voltage - the WSL is not voltage sensitive, but is limited by power / energy dissipation and is also not ESD sensitive DIMENSIONS in inches (millimeters) CONSTRUCTION OUTLINE Typical sensing traces 1 Resistive element: refer to table below for element material I b 1 H L W D 2 Terminal: solid copper 3 Terminal / element weld d 3 2 T Notes • 3D models available: 3921 model www.vishay.com/doc?30315; 5931 model www.vishay.com/doc?30317 • Surface mount solder profile recommendations: www.vishay.com/doc?31052 MODEL WSL3921 WSL3921 (0.1 mΩ only) WSL5931 L 0.394 ± 0.010 (10.0 ± 0.254) 0.591 ± 0.010 (15.0 ± 0.254) DIMENSIONS in inches (millimeters) W H (1) 0.020 (0.5) 0.205 ± 0.015 (5.20 ± 0.381) 0.020 ± 0.005 (0.5 ± 0.127) 0.305 ± 0.015 0.020 (7.75 ± 0.381) (0.5) T 0.080 ± 0.010 (2.00 ± 0.254) 0.130 ± 0.010 (3.30 ± 0.254) 0.157 ± 0.010 (4.00 ± 0.254) SOLDER PAD DIMENSIONS in inches (millimeters) d b l 0.106 ± 0.010 (2.70 ± 0.254) 0.244 ± 0.010 (6.20 ± 0.254) 0.220 ± 0.005 (5.60 ± 0.13) 0.205 ± 0.010 (5.20 ± 0.254) 0.344 ± 0.010 (8.75 ± 0.254) 0.220 ± 0.005 (5.60 ± 0.13) Note (1) H dimension is reference only. Total height reference is H dimension + D thickness GLOBAL RESISTANCE VALUE TYPICAL THERMAL RESISTANCE “D” THICKNESS ELEMENT MODEL (mΩ) (°C/W) (1) (INCHES) MATERIAL WSL3921 0.1 0.9 0.0560 Mn-Cu-Sn WSL3921 0.2 2.7 0.0560 Mn-Cu-Sn WSL3921 0.3 3.8 0.0510 Mn-Cu WSL3921 0.5 5.8 0.0300 Mn-Cu WSL3921 0.7 6.3 0.0205 Mn-Cu WSL3921 1.0 10.9 0.0150 Mn-Cu WSL3921 1.5 8.3 0.0360 Fe-Cr WSL3921 2.0 12.0 0.0270 Fe-Cr WSL3921 3.0 20.7 0.0170 Fe-Cr WSL3921 4.0 22.8 0.0130 Fe-Cr WSL5931 0.1 1.6 0.0560 Mn-Cu-Sn WSL5931 0.2 2.4 0.0485 Mn-Cu WSL5931 0.3 3.5 0.0300 Mn-Cu WSL5931 0.5 5.7 0.0180 Mn-Cu WSL5931 1.0 7.2 0.0330 Fe-Cr WSL5931 2.0 13.2 0.0155 Fe-Cr WSL5931 3.0 19.3 0.0105 Fe-Cr Note (1) The full power rating of power metal strip resistors are dependent upon the ability of the circuit board to dissipate the heat energy created in the resistance element. It is recommended to follow common design practices for power semiconductors that ensure the junction temperature is maintained with in thermal limits by using large pad surfaces, thermal vias, heavier copper weights, internal layers as well as other thermal spreading features. The thermal resistance values provided function in the same manner as junction to terminal temperature Revision: 18-Feb-2021 Document Number: 30110 2 For technical questions, contact: ww2bresistors@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 WSL3921, WSL5931 www.vishay.com Vishay Dale DERATING - AMBIENT TEMPERATURE DERATING - TERMINAL TEMPERATURE 10000 120 10000 120 Stability < 1.0 % 60 100 40 20 0 -65-55 -25 1000 80 1st line 2nd line 1000 80 2nd line P/PNorm. (%) 100 1st line 2nd line 2nd line Rated Power (%) 100 60 Stability < 0.5 % 100 40 20 10 0 10 0 25 50 70 100 125 150 170 Ambient Temperature (°C) 0 20 40 60 80 100 120 140 160 180 TK - Terminal Temperature (°C) PULSE CAPABILITY click to get started VE TI A R ST U ILL S SE O RP PU LY ON www.vishay.com/resistors/power-metal-strip-calculator PERFORMANCE TEST Thermal shock Short time overload Low temperature storage High temperature exposure Bias humidity Mechanical shock Vibration Load life Resistance to solder heat Moisture resistance CONDITIONS OF TEST -55 °C to +150 °C, 1000 cycles, 15 min at each extreme Refer to link for short time overload performance and pulse capability; www.vishay.com/resistors/power-metal-strip-calculator/ -65 °C for 24 h 1000 h at +170 °C +85 °C, 85 % RH, 10 % bias, 1000 h 100 g’s for 6 ms, 5 pulses Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h 1000 h at +70 °C, 1.5 h “ON”, 0.5 h “OFF” 3 x at 250 °C ± 5 °C for 30 s ± 5 s MIL-STD-202, method 106, 0 % power, 7a and 7b not required TEST LIMITS ± 1.0 % ± 0.5 % ± 0.5 % ± 1.0 % ± 0.5 % ± 0.5 % ± 0.5 % ± 1.0 % ± 0.5 % ± 0.5 % Note • Contact ww2bresistors@vishay.com for application specific performance requirements. Typical performance is better than stated test limits PACKAGING MODEL WSL3921 WSL5931 TAPE WIDTH 16 mm / embossed plastic 24 mm / embossed plastic REEL DIAMETER 330 mm / 13" 330 mm / 13" PIECES/REEL 3000 1500 CODE EA EA Notes • Embossed carrier tape per EIA-481 (1) Additional packaging details at www.vishay.com/doc?20051 Revision: 18-Feb-2021 Document Number: 30110 3 For technical questions, contact: ww2bresistors@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. © 2021 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 01-Jan-2021 1 Document Number: 91000