T PL IA N M CO *R oH S 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 The Bourns(R) PWR4412-2S Series is a through-hole resistor designed for current shunt and current sensing applications such as power supplies of different kinds, motor drives and many other applications. The resistor is quite rugged, consisting of a special metal alloy welded to tinned copper leads. Product Dimensions 4.8 (0.189) MAX. H Performance R Load Life (1000 Hours @ 70 C) ... 2.5 % Moisture No Load 100 Hours .......... 1 % Temperature Cycling (-40 C to +125 C, 1000 Cycles) ...1 % 3.18 0.76 (0.125 0.030) 1.01 0.05 (0.040 0.002) Electrical Specifications Power Rating @ 85 C .............1, 3, 5 W (see matrix) Resistance Range .....0.005 to 0.1 ohms Tolerances Available ................1 %, 5 % Temperature Range ......-55 to +270 C Maximum Working Voltage.............P*R Short Time Overload .......... 5 x Rated Power for 5 seconds Temperature Coefficient of Resistance Wire .................................... 20 ppm/C Packaging..........................250 pcs./bag Power Rating (W) Version Dimension L Dimension H Max. 1 B 11.43 +1.02/-0.51 (0.450 +0.04/-0.02) 7.62 (0.30) R0050, R0100, R0200, R0250, R0300, R0400, R0500, R1000 3 C 15.24 +1.02/-0.51 (0.60 +0.04/-0.02) 25.4 (1.0) R0050, R0100, R0150, R0200, R0250, R0300, R0400, R0500, R1000 5 D 20.32 +1.02/-0.51 (0.80 +0.04/-0.02) 25.4 (1.0) R0050, R0100, R0150, R0200, R0250, R0300, R0500, R1000 Resistance Values Note: Terminal pins are tin plated copper. Power Derating Curve 120 DIMENSIONS: MM (INCHES) How to Order 100 Power (%) 1.65 +0.25/-0.13 (0.065 +0.010/-0.005) L PWR4412-2S B R0300 J 80 Model Version Resistance Value for All Tolerances "R" represents decimal point (examples: R0050 = 5 milliohms; R1000 = 100 milliohms) Absolute Tolerance J=5% F=1% 60 40 20 0 0 50 100 150 200 250 300 350 Ambient Temperature (C) Asia-Pacific: 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. Specifications 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 specific applications. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Bourns: PWR4412-2SBR0030F