FW70A4R70JA

*R oH S CO M PL IA N T Features ■ Fuses at 120 V or 240 V Applications ■ E24 resistance values ■ White goods ■ RoHS compliant* ■ Inverters UL 1412 recognized ■ Coating material meets UL 94V-0 requirements ■ Lighting ■ ■ Metering FWxxA Series Fusible Power Resistors General Introduction The FWxxA Series of axial leaded wirewound resistors is designed to fuse under abnormal conditions such as sudden surges in voltage or circuit malfunctions. The resistor will fuse upon application of 120 or 240 voltages. Agency Recognition Electrical Characteristics Characteristic Power Resistance Range UL 1412 Recognized Resistance Range Tolerance Temperature Coefficient Operating Temperature Range Maximum Voltage Fusing Point Fusing Time FW Series 1, 2, 3, 5, 7** W 4.7 ohms to 100 ohms (E24 values) 4.7 ohms to 47 ohms 5% ±200 PPM/°C -55 °C to +155 °C √P*R See Fusing Performance Chart See Fusing Performance Chart The resistor will fuse safely if 120 or 240 V is applied. The time to fuse depends on the resistance value. ** 7 W = 240 Vac only. Product Dimensions H L H D DIMENSIONS: MM (INCHES) d (DIA.) Dimensions Model D (Max.) L (Max.) H d FW10A (1 W) 5.0 (.197) 12 (.472) 28 ± 3.0 (1.102 ± .118) 0.55 ± 0.05 (.022 ± .002) FW20A (2 W) 6.0 (.236) 12 (.472) 28 ± 3.0 (1.102 ± .118) 0.65 ± 0.05 (.026 ± .002) FW30A (3 W) 6.5 (.256) 16 (.630) 28 ± 3.0 (1.102 ± .118) 0.75 ± 0.05 (.030 ± .002) FW50A (5 W) 7.5 (.295) 18 (.709) 28 ± 3.0 (1.102 ± .118) 0.75 ± 0.05 (.030 ± .002) FW70A (7 W) 9.5 (.374) 26 (1.024) 38 ± 3.0 (1.496 ± .118) 0.75 ± 0.05 (.030 ± .002) WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf Description UL 1412 File Number: E349323 Materials Resistor ............... Wire wound around a ceramic core Lead Wire ........................Tinned copper Housing .......................... Insulated resin Coating Material ...........Meets UL 94V-0 requirements How to Order FW 10 A 7R50 J A Model FW = Fusible Wirewound Rated Power 10 = 1.0 Watts 20 = 2.0 Watts 30 = 3.0 Watts 50 = 5.0 Watts 70 = 7.0 Watts Pin Style A = Axial Resistance Code • R