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Features
■ High current capability
■ Low inductance (less than 10 nH)
■ Radial leads
Applications
■ Power supplies
■ UPS
■ Motor drives
■ Low ohmic
PWR4412-2S Series Bare Metal Element Resistor
General Information
The Bourns ? PWR4412-2S Series is
a through-hole resistor designed for
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
alloy welded to tinned copper leads.
Performance
Δ 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 %
Product Dimensions
4.8
(0.189)
MAX.
H
3.18 ± 0.76
(0.125 ± 0.030)
Electrical Speci?cations
1.01 ± 0.05
(0.040 ± 0.002)
L
1.65 +0.25/-0.13
(0.065 +0.010/-0.005)
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 Coe? cient of Resistance
Wire .................................... ±20 ppm/°C
Packaging..........................250 pcs./bag
Power
Rating
(W)
1
3
5
Version
B
C
D
Dimension L
11.43 +1.02/-0.51
(0.450 +0.04/-0.02)
15.24 +1.02/-0.51
(0.60 +0.04/-0.02)
20.32 +1.02/-0.51
(0.80 +0.04/-0.02)
Dimension
H Max.
7.62
(0.30)
25.4
(1.0)
25.4
(1.0)
Resistance Values
R0050, R0100, R0200, R0250,
R0300, R0400, R0500, R1000
R0050, R0100, R0150, R0200,
R0250, R0300, R0400, R0500,
R1000
R0050, R0100, R0150, R0200,
R0250, R0300, R0500, R1000
Power Derating Curve
Note: Terminal pins are tin plated copper.
DIMENSIONS:
MM
(INCHES)
120
100
How to Order
PWR4412-2S B R0300 J
80
Model
60
40
20
0
Version
Resistance Value for All Tolerances
“R” represents decimal point (examples: R0050 = 5 milliohms; R1000 = 100 milliohms)
Absolute Tolerance
J=5%
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.
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