Products description
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
different kinds, motor drives and many
other applications. The resistor is quite
rugged, consisting of a special metal
alloy welded to tinned copper leads.
Performance
ÃŽâ€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 %
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 Coeffi cient of Resistance
Wire ±20 ppm/°C
Packaging 250 pcs./bag