PWR220/PWR221 S Series Shunt Resistor
Features
■ Low TCR
■ Low electrical noise
■ Low inductance/capacitance
■ High power rating
■ Low ohmic values
Applications
■ Power supplies
■ Motor drives
■ Test and measurement
■ Electricity meters
General Information
The Bourns
®
PWR220 S Series is a TO220 style Shunt Resistor; the PWR221 S Series is a
TO221 style Shunt Resistor. Manufactured using foil on alumina ceramic, it is used in
applications such as power supplies, motor drives and measurements.
Electrical & Thermal Characteristics
Parameter Symbol Min. Nom. Max. Unit
Resistance R 0.002 50
Ω
Power Rating
@ 70 °C without additional heat sink
@ 70 °C with adequate heat sink* 10
1.50
15
W
Tolerance
0.002 Ω < R < 0.01 Ω
0.01 Ω < R < 0.10 Ω
0.10 Ω < R < 50.0 Ω
2.0**
1.0***
0.5***
5.0
5.0
5.0
%
TCR
-20 °C < T < 60 °C
-40 °C < T < +130 °C
±15.0
±50.0
PPM/°C
Thermal Resistance – Rthj (Max @ R < 50 Ω)
4.8 °C/W
Stability 0.1 0.5 %
Thermal EMF 1.0 µV/°C
Dielectric Withstanding Voltage 300 VDC
Operating Temperature TJ -40 +130 °C
Material Specifications
Resistor..........................Metal Foil (CuNiMn)
Substrate...........................Alumina (AL203)
Housing.....................................Epoxy/PPS
Lead Frame ............Tinned Copper (Sn/Cu)
Maximum Torque.............................1.0 Nm
Packaging
Tubes....................................50 pcs./tube
Tape & Reel** .......................500 pcs./reel
**Tape & Reel is only available for Version A.
*RoHS Directive 2002/95/EC Jan 27 2003, including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
