Power Metal Strip Resistors, Low Value, High Power, Surface-Mount, 4-Terminal

WSK1216 www.vishay.com Vishay Dale Power Metal Strip® Resistors, Low Value, High Power, Surface-Mount, 4-Terminal FEATURES • 4-terminal design allows for 1 % tolerance down to 0.0002 Ω • High power-to-footprint print size ratio • All welded Power Metal Strip® construction is ideal for all types of current sensing, voltage division and pulse applications • Proprietary processing technique produces extremely low resistance values, down to 0.0002 Ω • Sulfur resistance by construction that i s unaffected by high sulfur environments • Solid metal manganese-copper and manganese-copper - tin alloy resistive element with low TCR (< 20 ppm/°C) LINKS TO ADDITIONAL RESOURCES • Very low inductance 0.5 nH to 5 nH 3D 3D • Low thermal EMF (< 3 μV/°C) 3D Models Design Tools Infographics • Maximum solder temperature up to 350 °C for 30 s • AEC-Q200 qualified (1) • PATENT(S): www.vishay.com/patents • Material categorization: for definitions of complianc e 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 POWER RATING THERMAL TOLERANCE RESISTANCE VALUE WEIGHT SIZE P RESISTANCE RANGE (1) MODEL 70 °C ± % (typical) W °C/W Ω g/1000 pieces 3.0 14.5 1.0 1m 60 5.0 7.3 1.0 0.5m 60 WSK1216 1216 8.0 3.6 1.0 0.3m 60 8.0 3 1.0 0.2m 60 Notes • 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 junctio n 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 (1) Other values may be available, contact factory GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: WSK12161L000FEA (WSK1216, 0.001 Ω, ± 1 %) (visit www.vishay.net Vishay Dale parts numbering manual for all options) W S K 1 2 1 6 1 L 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE (1) SPECIAL (2) (7 digits) (5 digits) (1 digit) (2 digits) (2 digits) WSK1216 L = mΩ F = ± 1.0 % EA = lead (Pb)-free, tape / reel (dash number) 1L000 = 0.0010 Ω (up to 2 digits) L5000 = 0.0005 Ω From 1 to 99 as applicable Notes (1) Packaging code: EB (lead (Pb)-free) is a non-standard packaging code designating 1000 piece reels. The non-standard packaging code is identical to our standard EA (lead (Pb)-free), except that it has a package quantity of 1000 pieces (2) Follow link for customization capabilities: www.vishay.com/doc?48163 PATENT(S): www.vishay.com/patents This Vishay product is protected by one or more United States and international patents. Revision: 10-Dec-2021 1 Document Number: 30189 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

WSK1216 www.vishay.com Vishay Dale TECHNICAL SPECIFICATIONS PARAMETER UNIT WSK RESISTOR CHARACTERISTICS Component temperature coefficient < 35 ppm, 0.2 mΩ and 0.3 mΩ (including terminal) (1) ppm/°C < 50 ppm, 1 mΩ < 150 ppm, 0.5 mΩ Element TCR (3) ppm/°C < 20 Operating temperature range °C -65 to +170 Maximum working voltage (4) V (P x R)1/2 Notes (1) Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal; over temperature of +20 ° C to +60 °C (2) Element TCR - only applies to the alloy used for the resistor element (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 W L R N 2 1 H U S 3 1 Resistive element: c refer to table below for element material 2 Terminal: solid copper a b 3 Terminal / element weld w d DIMENSIONS in inches (millimeters) MODEL W L H R (REF.) S U N WSK1216 0.122 - 0.014 0.150 ± 0.012 0.075 - 0.014 0.106 0.020 ± 0.004 0.031 + 0.012 0.024 ± 0.006 (3.1 - 0.35) (3.81 ± 0.3) (1.9 - 0.35) (2.70) (0.5 ± 0.1) (0.8 + 0.3) (0.6 ± 0.15) SOLDER PAD DIMENSIONS MODEL MODEL RESISTANCE VALUE (mΩ) ELEMENT MATERIAL a b c d w WSK1216 0.116 0.024 0.020 0.028 0.142 0.2 MnCuSn (2.95) (0.61) (0.50) (0.70) (3.60) 0.3 MnCuSn WSK1216 0.5 MnCuSn 1.0 MnCu Notes • 3D models available: www.vishay.com/doc?30334 • Surface mount solder profile recommendations: www.vishay.com/doc?31052 Revision: 10-Dec-2021 2 Document Number: 30189 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

WSK1216 www.vishay.com Vishay Dale DERATING - AMBIENT TEMPERATURE DERATING - TERMINAL TEMPERATURE Axis Title Axis Title 120 10000 120 10000 Stability < 1.0 % 100 100 80 1000 80 1000 60 60 Stability < 0.5 % 40 100 40 100 20 20 0 10 0 10 -65 -50 -25 0 25 50 70 100 125 150170 0 20 40 60 80 100 120 140 160 180 Ambient Temperature (°C) TK - Terminal Temperature (°C) PULSE CAPABILITY click to get started Y NL ES O POS R PU TIVE TRA S ILLU 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 % Short time overload Refer to link for short time overload performance and pulse capability; www.vishay.com/resistors/power-metal-strip-calculator/ ± 0.5 % Low temperature operation -65 °C for 24 h ± 0.5 % High temperature exposure 2000 h at +170 °C ± 0.5 % Bias humidity +85 °C, 85 % RH, 10 % bias, 1000 h ± 0.5 % Mechanical shock 100 g’s for 6 ms, 5 pulses ± 0.5 % Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % Load life 2000 h at +70 °C, 1.5 h “ON”, 0.5 h “OFF” ± 1.0 % Resistance to solder heat 3 x at 250 °C ± 5 °C for 30 s ± 5 s ± 0.5 % Moisture resistance MIL-STD-202, method 106, 0 % power, 7b not required ± 0.5 % PACKAGING (1) REEL MODEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSK1216 12 mm / embossed plastic 330 mm / 13" 2000 EA Notes • Embossed carrier tape per EIA-481 (1) Additional packaging details at www.vishay.com/doc?20051 Revision: 10-Dec-2021 3 Document Number: 30189 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 2nd line Rated Power (%) 1st line 2nd line 2nd line P/PNorm. (%) 1st line 2nd line

Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROV E 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 o r 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 statement s about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular produc t 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 operatin g 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. Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of any of the products, services or opinions of the corporation, organization or individual associated with the third-party website . Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website or for that of subsequent links. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustainin g 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. © 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 01-Jan-2022 1 Document Number: 91000