IA
NT
Features
■
■
■
■
■
Applications
■
■
■
■
Low TCR
Low electrical noise
Low inductance/capacitance
High power rating
Low ohmic values
Power supplies
Motor drives
Test and measurement
Electricity meters
*R
oH
S
CO
M
PL
PWR220/PWR221 S Series Shunt Resistor
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.
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
Resistance
Power Rating
@ 70 °C without additional heat sink
@ 70 °C with adequate heat sink*
Tolerance
0.002
Ω
< R < 0.01
Ω
0.01
Ω
< R < 0.10
Ω
0.10
Ω
< R < 50.0
Ω
TCR
-20
°C < T < 60 °C
-40 °C < T < +130 °C
Thermal Resistance – Rthj (Max @ R < 50
Ω)
Stability
Thermal EMF
Dielectric Withstanding Voltage
Operating Temperature
* Thermal junction 130 °C max.
** 1 % also available with 4-pin version.
*** 0.1 % and 0.24 % also available with 4-pin version.
T
J
-40
0.1
Symbol
R
Min.
0.002
Nom.
Max.
50
Unit
Ω
W
10
1.50
15
2.0**
1.0***
0.5***
5.0
5.0
5.0
%
±15.0
±50.0
4.8
0.5
1.0
300
+130
PPM/°C
°C/W
%
µV/°C
VDC
°C
*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.
PWR220/PWR221 S Series Shunt Resistor
Product Dimensions
TO220 Casing: 2-Pin (Surface Mount)
1.2
(0.05)
4.0
(0.16)
10.16
(0.4)
TO220 Casing: 4-Pin (Surface Mount)
1.2
(0.05)
4.0
(0.16)
10.16
(0.4)
1.4
(0.06)
12.7
(0.50)
14.6 15.0 17.33
(0.57) (0.59) (0.68)
12.7
(0.50)
1.4
(0.06)
14.6 15.0 17.33
(0.57) (0.59) (0.68)
0.76
(0.03)
3X
DIMENSIONS = MILLIMETERS
(INCHES)
2.54
(0.1)
0.76
(0.03)
1.85
(0.07)
How to Order
Typical Part Marking
PWR 220 - 2 S A R040 J E
Model
PWR = Power Resistor
Package
220 = TO220
221 = TO221
Number of Pins
2=2
4=4
Function
S = Shunt
Version
A = Surface Mount
B = Through Hole
Resistor Value for all Tolerances
“R” represents decimal point
(examples: R040 = .040 ohms; 50R0 = 50.0 ohms
Absolute Tolerance
J=5%
G=2%
D = 0.5 %
*C = 0.25 %
F=1%
*B = 0.1 %
PART
IDENTIFICATION
MANUFACTURER'S
TRADEMARK
PWR220-2S
R500 1%
0512
ABSOLUTE
RESISTANCE,
TOLERANCE
DATE CODE:
YYWW
Packaging
E = Tape & Reel (Available only for Version A)
___ = Tubes
*Available only with 4-pin versions.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
PWR220/PWR221 S Series Shunt Resistor
Packaging Dimensions
Index Hole
120
W
B
D
P
Trailer
A
Device
C
Leader
End
.......
.......
10 pitches (min.)
.......
.......
.......
.......
.......
.......
10 pitches (min.)
Start
DIMENSIONS:
MM
(INCHES)
Devices are packed in accordance with EIA standard
RS-481-A and specifications shown here.
Direction of Feed
Item
Carrier Width
Carrier Length
Carrier Depth
Reel Outside Diameter
Punch Hole Pitch
Tape Width
Quantity per Reel
Symbol
A
B
C
D
P
W
—
Dimensions
10.4
(0.409)
18.4
(0.724)
4.4
(0.173)
330
(12.992)
16.00
(0.630)
32
(1.260)
500
Asia-Pacific:
Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 05/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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