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 (%)