WFC www.vishay.com Vishay Dale Metal Foil Current Sense Resistors FEATURES Ultra low sensing resistance Chip size 0402 to 1206 Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 APPLICATIONS Switching power supply Voltage regulation module DC/DC converter, adaptor, battery pack, charger Pad and cell phone Power management STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE WEIGHT GLOBAL POWER RATING TOLERANCE SIZE VALUE RANGE (typical) MODEL W % g/1000 pieces WFC0402 0402 0.125 1, 2, 5 0.003 to 0.05 1.1 0603 0.33 1, 2, 5 0.001 to 0.005 3.3 WFC0603 0603 0.25 1, 2, 5 0.0051 to 0.03 3.3 WFC0805 0805 0.50 1, 2, 5 0.001 to 0.03 6.8 1206 1.0 1, 2, 5 0.001 to 0.05 17.4 WFC1206 1206 0.5 1, 2, 5 0.100 to 0.18 17.4 GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: WFC1206R0100FE66 W F C 1 2 0 6 R 0 1 0 0 F E 6 6 RESISTANCE TOLERANCE GLOBAL MODEL CASE SIZE (EIA) PACKAGING CODE VALUE CODE (3 digits) (4 digits) (3 digits) (1) (5 digits) (1 digit) (2) WFC 0402 L = m F = 1.0 % E66 = lead (Pb)-free 0603 R = decimal G = 2.0 % 7 tape/reel 0805 5L000 = 0.005 J = 5.0 % 1206 R0100 = 0.01 Notes (1) Resistance values are available per E12 and E24 decades www.vishay.com/doc 28372 (2) Use L for resistance values < 0.01 Revision: 10-Dec-2021 Document Number: 30402 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 WFC www.vishay.com Vishay Dale TECHNICAL SPECIFICATIONS RESISTOR CHARACTERISTICS PARAMETER UNIT WFC0402 WFC0603 WFC0805 WFC1206 100 for 75 for 50 for 50 for 8 m to 50 m 10 m to 30 m 10.1 m to 30 m 10.1 m to 180 m 150 for 150 for 100 for 100 for Temperature coefficient ppm/C 3 m to 7 m 5.1 m to 9 m 1 m to 10 m 1 m to 10 m 100 for - -- 1 m to 5 m Operating temperature range C -55 to +170 1/2 Maximum working voltage V (P x R) Maximum element temperature C 170 DIMENSIONS in inches (millimeters) DIMENSIONS (in millimeters) TYPE RESISTANCE (INCH SIZE) RANGE (m) LW t A 7.1 to 50 0.25 0.10 WFC0402 1.00 0.10 0.55 0.10 0.45 0.10 3 to 7 0.35 0.10 5 to 30 0.80 0.10 0.55 0.15 0.30 0.20 WFC0603 1.60 0.10 1 to 5 0.95 0.25 0.60 0.25 0.55 0.20 5 to 30 2.00 0.20 1.30 0.15 0.70 0.15 0.45 0.20 WFC0805 1 to 5 2.10 0.20 1.40 0.20 0.60 max. 0.60 0.20 1 to 3 0.75 0.25 1.30 0.20 WFC1206 3.10 0.20 1.55 0.20 3 to 180 0.80 0.15 0.55 0.20 Note 0402 has no marking 0603, 0805, 1206 marking shows two digits for resistance DERATING Revision: 10-Dec-2021 Document Number: 30402 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