V I S H AY I N T E R T E C H N O L O G Y, I N C . POWER METAL STRIP® RESISTORS WSK1206 Power Metal Strip® Current Sense Resistor, Tight Tolerance (Down to 0.1 %), Low Value (0.01 Ω to 0.05 Ω) KEY BENEFITS • 4-terminal design enables tolerance < 1 % and reduced temperature coefficient • Low resistance value range: 0.01 Ω to 0.050 Ω APPLICATIONS • Telecommunications: power management in cell phones • Computer: power management and safety, DC/DC converter, VRMs, and Li-Ion battery management • Industrial: instrumentation • Automotive: electronic controls (engine and transmission controls, audio electronics, climate controls, anti-lock brakes, etc.) RESOURCES • Datasheet: WSK1206 - www.vishay.com/doc?30195 • For technical questions contact [email protected] • Material categorization: for definitions of compliance, please see www.vishay.com/doc?99912 A WORLD OF SOLUTIONS Product Sheet 1/2 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 VMN-PT0460-1509 www.vishay.com V I S H AY I N T E R T E C H N O L O G Y, I N C . POWER METAL STRIP® RESISTORS WSK1206 WSK1206 www.vishay.com Vishay Dale ® Resistors, High Power, ® Current Power Metal Power Metal StripStrip Sense Resistor, Surface Mount, 4-Terminal Tight Tolerance (Down to 0.1%), Low Value (0.01 Ω to 0.05 Ω) FEATURES • 4-terminal design • Ideal for all types of current sensing, voltage division and pulse applications • Proprietary processing technique produces extremely low resistance values • Durable with all-welded construction • All welded construction Available • Solid metal nickel-chrome or manganesecopper resistive element with low TCR (< 20 ppm/°C) Available • Low thermal EMF (< 3 μV/°C) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE VALUE RANGE GLOBAL MODEL SIZE POWER RATING P70 °C W Tol. ± 0.1 % Tol. ± 0.5 % Tol. ± 1.0 % WSK1206 1206 0.25 0.05 to 0.04 0.01 to 0.05 0.01 to 0.05 WEIGHT (typical) g/1000 pieces 16 Notes • Part marking: due to resistor size limitation, parts will be marked with only the resistance value.. • Resistance values are available per WSL decade table (www.vishay.com/doc?30117). TECHNICAL SPECIFICATIONS Revision 17-Sep-15 PARAMETER UNIT RESISTOR CHARACTERISTICS Component temperature coefficient (including terminal) (1) ppm/°C ± 35 Element TCR (2) ppm/°C < 20 Operating temperature range °C -65 to +170 Maximum working voltage (3) 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. (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. Revision: 17-Sep-15 Document Number: 30195 1 2/2 [email protected] VMN-PT0460-1509 For technical questions, contact: THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Product Sheet THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 www.vishay.com