Features Applications High current capability Power supplies Low inductance (less than 10 nH) UPS Radial leads Motor drives Low ohmic PWR4412-2S Series Bare Metal Element Resistor General Information Product Dimensions 4.8 The Bourns PWR4412-2S Series is (0.189) a through-hole resistor designed for MAX. current shunt and current sensing applications such as power supplies of di erent kinds, motor drives and many other applications. The resistor is quite rugged, consisting of a special metal H alloy welded to tinned copper leads. Performance R Load Life (1000 Hours 70 C) ... 2.5 % 3.18 0.76 Moisture No Load 100 Hours .......... 1 % (0.125 0.030) Temperature Cycling (-40 C to +125 C, 1000 Cycles) ...1 % 1.65 +0.25/-0.13 1.01 0.05 (0.065 +0.010/-0.005) (0.040 0.002) L Electrical Speci cations Power Rating 85 C .............1, 3, 5 W Power (see matrix) Dimension Rating Version Dimension L Resistance Values Resistance Range .....0.005 to 0.1 ohms H Max. (W) Tolerances Available ................1 %, 5 % Temperature Range ......-55 to +270 C 11.43 +1.02/-0.51 7.62 R0050, R0100, R0200, R0250, 1B R0300, R0400, R0500, R1000 Maximum Working Voltage .............P*R (0.450 +0.04/-0.02) (0.30) Short Time Overload R0050, R0100, R0150, R0200, 15.24 +1.02/-0.51 25.4 .......... 5 x Rated Power for 5 seconds 3C R0250, R0300, R0400, R0500, (0.60 +0.04/-0.02) (1.0) Temperature Coe cient of Resistance R1000 Wire .................................... 20 ppm/C 20.32 +1.02/-0.51 25.4 R0050, R0100, R0150, R0200, Packaging ..........................250 pcs./bag 5D (0.80 +0.04/-0.02) (1.0) R0250, R0300, R0500, R1000 MM Note: Terminal pins are tin plated copper. DIMENSIONS: Power Derating Curve (INCHES) 120 How to Order 100 PWR4412-2S B R0300 J 80 Model 60 Version Resistance Value for All Tolerances 40 R represents decimal point (examples: R0050 = 5 milliohms R1000 = 100 milliohms) 20 Absolute Tolerance J = 5 % 0 F = 1 % 0 50 100 150 200 250 300 350 Ambient Temperature (C) Asia-Paci c: Tel: +886-2 2562-4117 Fax: +886-2 2562-4116 EMEA: Tel: +36 88 520 390 Fax: +36 88 520 211 The Americas: Tel: +1-951 781-5500 Fax: +1-951 781-5700 www.bourns.com REV. 02/14 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Speci cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their speci c applications. *RoHS COMPLIANT Power (%)