PWR220 F Series Power Resistor
Features
TO220 housing
Low inductance
SMD and through hole versions
High power rating
Applications
Power supplies
Motor drives
Test and measurement
Welding
General Information
The Bourns PWR220 F Series is a TO220 style Power Resistor. Manufactured using thick
film on Alumina ceramic technology, it is used in applications such as power supplies, motor
drives and measurements.
Electrical & Thermal Characteristics
Parameter
Symbol
Min.
Nom.
Max.
Unit
Resistance
(Version A & B)
R
0.02
100K
(Version C)
R
0.02
15K
Power Rating @ 70 C without heat sink
1.50
W
Power Rating @ 70 C with heat sink
(Version A & B)
30
W
(Version C)
50
W
Tolerance
0.02 < R < 1.0
2.0
5.0
%
1.0 < R < 100K
1.0
5.0
%
TCR
0.1 < R < 100.0K
100
PPM/C
0.05 < R < 0.099
300
PPM/C
0.02 < R < 0.049
600
PPM/C
Thermal Resistance Rthj
(Version A & B)
3.5
C/W
(Version C)
2.1
C/W
Stability
0.1
0.5
%
Thermal EMF
1.0
V/C
Dielectric Withstanding Voltage
2
kV DC
Operating Temperature
T
J
-40
+130
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.
Material Specifications
Resistor ..........................................Thick film
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
*RoHS COMPLIANT
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Product Dimensions
PWR220 F Series Power Resistor
10.16
(0.4)
TO220 Housing: 2-Pin
3.7
(0.15)
4.0
(0.16)
6.0
(0.24)
17.3
(0.68)
27.3
(1.07)
14.4
(0.57)
16.4
(0.65)
1.3
(0.05)
1.2
(0.05)
1.85
(0.07)
0.4
(0.015)
0.76
(0.03)
5.08
(0.2)
MEASURING
POINT
TO220 Casing: 2-Pin (Surface Mount)
10.16
(0.4)
14.6
(0.57)
15.0
(0.59)
17.33
(0.68)
12.7
(0.50)
4.0
(0.16)
1.2
(0.05)
0.76
(0.03)
1.4
(0.06)
MILLIMETERS
(INCHES)
DIMENSIONS =
How to Order
PWR 220 - 2 F B R0400 J E
Model
PWR = Power Resistor
Package
220 = TO220
221 = TO221
Number of Pins
2 = 2
Function
F = Thick Film
Version
A = Surface Mount 30 W (with Heat Sink)
B = Through-Hole 30 W (with Heat Sink)
C = Through-Hole 50 W (with Heat Sink)
Resistor Value
R (4 Digits)
Absolute Tolerance
J = 5 % G = 2 % F = 1 %
Packaging
E = Tape & Reel
___ = Tubes
Typical Part Marking
PWR220-2F
R500 1%
0512
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
ABSOLUTE
RESISTANCE,
TOLERANCE
DATE CODE:
YYWW
TO221 Casing: 2-Pin
10.16
(0.4)
3.2
(0.13)
3.7
(0.15)
4.0
(0.16)
18.3
(0.72)
28.3
(1.11)
14.4
(0.57)
16.4
(0.65)
1.3
(0.05)
1.2
(0.05)
1.85
(0.07)
0.4
(0.015)
0.76
(0.03)
MEASURING
POINT
5.08
(0.2)
MILLIMETERS
(INCHES)
DIMENSIONS =
PWR220 F Series Power Resistor
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
COPYRIGHT 2005, BOURNS, INC. LITHO IN U.S.A.
PWR220F 12/05
Reliable Electronic Solutions
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
Devices are packed in accordance with EIA standard
RS-481-A and specifications shown here.
MM
(INCHES)
DIMENSIONS:
Item
Symbol
Dimensions
Carrier Width
A
10.4
(0.409)
Carrier Length
B
18.4
(0.724)
Carrier Depth
C
4.4
(0.173)
Reel Outside Diameter
D
330
(12.992)
Punch Hole Pitch
P
16.00
(0.630)
Tape Width
W
32
(1.260)
Quantity per Reel
--
500
Packaging Dimensions
.......
.......
.......
.......
.......
.......
.......
.......
P
A
120
D
C
Index Hole
W
B
10 pitches (min.)
Direction of Feed
10 pitches (min.)
End
Trailer
Device
Leader
Start
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