WSL3637 www.vishay.com Vishay Dale Power Metal Strip® Resistors, Low Value (down to 0.001 ), Surface Mount, 4-Terminal FEATURES • 4-terminal design allows for 0.5 % resistance tolerance down to 0.001  • All welded construction of the Power Metal Strip® resistors are ideal for all types of current Available sensing, voltage division, and pulse applications • Proprietary processing technique produces extremely low resistance values (down to 0.001 ) Available • Sulfur resistance by construction that is unaffected by high sulfur environments Available • Solid metal nickel-chrome alloy resistive element with low TCR (< 20 ppm/°C) DESIGN SUPPORT TOOLS click logo to get started Available • Low thermal EMF (< 3 μV/°C) • Very low inductance, 0.5 nH to 5 nH Models Design Tools • Excellent frequency response to 50 MHz Available Available • AEC-Q200 qualified (1) • PATENT(S): www.vishay.com/patents • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 Note * This datasheet provides information about parts that are RoHS-compliant and / or parts that are non RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details • 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 POWER RATING RESISTANCE WEIGHT TOLERANCE GLOBAL MODEL SIZE P VALUE RANGE (typical) 70 °C ± % W  g/1000 pieces WSL3637 3637 3.0 0.5 and 1.0 0.001 to 0.01 274.3 GLOBAL PART NUMBER INFORMATION GLOBAL PART NUMBERING EXAMPLE: WSL36375L000FEA (visit www.vishay.net Vishay Dale parts numbering manual for all options) W S L 3 6 3 7 5 L 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE (1) TOLERANCE CODE PACKAGING CODE (2) SPECIAL (7 digits) (5 digits) (1 digit) (2 digits) (2 digits) WSL3637 L = m * D = ± 0.5 % EA = lead (Pb)-free, tape / reel (dash number) R = decimal F = ± 1.0 % EK = lead (Pb)-free, bulk (up to 2 digits) 5L000 = 0.005  TA = tin / lead, tape/reel (R86) from 1 to 99 as R0100 = 0.01  BA = tin / lead, bulk (B43) applicable * Use “L” for resistance values < 0.01  Notes (1) WSL marking (www.vishay.com/doc?30327) (2) Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes designating 1000 piece reels. These non-standard packaging codes are identical to our standard EA (lead (Pb)-free) and TA (tin / lead), except that they have a package quantity of 1000 pieces PATENT(S): www.vishay.com/patents This Vishay product is protected by one or more United States and international patents. Revision: 13-Feb-18 1 Document Number: 30099 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

WSL3637 www.vishay.com Vishay Dale TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ± 50 for 0.003  to 0.010  Temperature coefficient ppm/°C ± 75 for 0.001  to 0.0029  Element TCR ppm/°C < 20 Operating temperature range °C -65 to +170 Maximum working voltage V (P x R)1/2 DIMENSIONS H I c A d B L a b T W Note • 3D models available: www.vishay.com/doc?30303 DIMENSIONS in inches (millimeters) MODEL RESISTANCE RANGE W L H T A B () 0.086 ± 0.010 0.002 to 0.01 (2.18 ± 0.254) 0.370 ± 0.010 0.360 ± 0.010 0.025 ± 0.010 0.061 ± 0.010 0.032 ± 0.010 WSL3637 (9.40 ± 0.254) (9.14 ± 0.254) (0.635 ± 0.254) (1.55 ± 0.254) (0.813 ± 0.254) 0.138 ± 0.010 0.001 to 0.0019 (3.51 ± 0.254) SOLDER PAD DIMENSIONS in inches (millimeters) MODEL RESISTANCE RANGE a b c d l () 0.002 to 0.01 0.116 (2.95) 0.390 (9.91) 0.066 (1.68) 0.024 (0.610) 0.178 (4.52) WSL3637 0.001 to 0.0019 0.168 (4.27) 0.390 (9.91) 0.066 (1.68) 0.024 (0.610) 0.074 (1.88) 4 TERMINAL KELVIN CONNECTIONS E1 I1 E2 I2 Notes • E1 and E2: voltage sense connection • I1 and I2: current connection Revision: 13-Feb-18 2 Document Number: 30099 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

WSL3637 www.vishay.com Vishay Dale DERATING PULSE CAPABILITY %120 er in 100 click to get started OO N LLLLL YY w SS o EE d P 80 PP O S Rate 60 E P U RR V TI AAA 40 R T S U LL 20 IILL 0 -65-55 - 25 0 25 50 75 100 125 150 170 70Ambient Temperature in °C www.vishay.com/resistors/power-metal-strip-calculator PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± (0.5 % + 0.0005 ) Short time overload 5 x rated power for 5 s ± (0.5 % + 0.0005 ) Low temperature storage -65 °C for 24 h ± (0.5 % + 0.0005 ) High temperature exposure 1000 h at +170 °C ± (1.0 % + 0.0005 ) Bias humidity +85 °C, 85 % RH, 10 % bias, 1000 h ± (0.5 % + 0.0005 ) Mechanical shock 100 g’s for 6 ms, 5 pulses ± (0.5 % + 0.0005 ) Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± (0.5 % + 0.0005 ) Load life 1000 h at rated power, +70 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.0005 ) Solder heat +260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence ± (0.5 % + 0.0005 ) Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required ± (0.5 % + 0.0005 ) PACKAGING (1) REEL MODEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSL3637 16 mm/embossed plastic 330 mm/13" 4000 EA Notes • Embossed Carrier Tape per EIA-481 (1) Additional packaging details at www.vishay.com/doc?20051 Revision: 13-Feb-18 3 Document Number: 30099 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. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. 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. © 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 08-Feb-17 1 Document Number: 91000