Power Resistor. PWR221F Datasheet

PWR221F Resistor. Datasheet pdf. Equivalent

PWR221F Datasheet
Recommendation PWR221F Datasheet
Part PWR221F
Description Power Resistor
Feature PWR221F; *RoHS COMPLIANT Features ■ TO220 or TO221 housing ■ Low inductance ■ SMD and through hole versions .
Manufacture BOURNS
Datasheet
Download PWR221F Datasheet





BOURNS PWR221F
Features
TO220 or TO221 housing
Low inductance
SMD and through hole versions
High power rating
Models PWR220-2FB, PWR221-2FB,
and PWR220-2FA are not available
and not recommended for new
designs.
Models PWR220T-35, PWR221T-30, and
PWR263S-35 are suggested alternatives.
PWR220/PWR221 F Series Power Resistors
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
**Tape & Reel is only available for
Versions A and D.
Electrical & Thermal Characteristics
Parameter
Resistance
(Version A)
(Version C & D)
Power Rating @ 70 °C in Free Air
Power Rating with External Heat Sink
(Version A)
(Version C & D)
Tolerance
0.02 Ω < R < 1.0 Ω
1.0 Ω < R < 100K Ω
TCR
0.1 Ω < R < 100.0K Ω
0.05 Ω < R < 0.099 Ω
0.02 Ω < R < 0.049 Ω
Thermal Resistance – Rthj
(Version A)
(Version C & D)
Stability
Dielectric Withstanding Voltage
Operating Temperature
General Information
The Bourns® PWR220 F Series is a TO220 style Power Resistor; PWR221 F is a TO221
style Power Resistor. Manufactured using thick film on Alumina ceramic technology, it
is used in applications such as power supplies, motor drives and measurements.
Symbol
R
R
Min.
0.02
0.02
2.0
1.0
TJ -40
Nom.
3.5
2.1
0.5
Max.
100K
15K
1.50
30
50
5.0
5.0
±100
±300
±600
2
+155
Unit
Ω
Ω
W
W
W
%
%
PPM/°C
PPM/°C
PPM/°C
°C/W
°C/W
%
kV DC
°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.



BOURNS PWR221F
Applications
Power supplies
Motor drives
Test and measurement
Welding
PWR220/PWR221 F Series Power Resistors
Product Dimensions
TO220 Housing: 2-Pin
10.16
(0.4)
3.7
(0.15)
1.2
(0.05)
4.0
(0.16)
1.3
(0.05)
MEASURING
POINT
14.4 16.4
(0.57) (0.65)
6.0 17.3 27.3
(0.24) (0.68) (1.07)
0.76
(0.03)
5.08
(0.2)
1.85
(0.07)
0.4
(0.015)
TO221 Casing: 2-Pin
10.16
(0.4)
3.2
(0.13)
3.7
(0.15)
14.4 16.4
(0.57) (0.65)
1.3
(0.05)
MEASURING
POINT
0.76
(0.03)
5.08
(0.2)
Typical Part Marking
1.2
(0.05)
4.0
(0.16)
18.3 28.3
(0.72) (1.11)
1.85
(0.07)
0.4
(0.015)
PART
IDENTIFICATION
MANUFACTURER'S
TRADEMARK
PWR220-2F
R500 1%
0512
ABSOLUTE
RESISTANCE,
TOLERANCE
DATE CODE:
YYWW
TO220 Casing: 2-Pin (Surface Mount)
10.16
(0.4)
12.7
(0.50)
1.2
(0.05)
1.4
(0.06)
4.0
(0.16)
14.6 15.0 17.33
(0.57) (0.59) (0.68)
0.76
(0.03)
Recommended Pad Layout
11.16
(0.439)
12.10
(0.476)
18.33
(0.722)
DIMENSIONS:
MM
(INCHES)
3.20
(0.126)
5.08
(0.200)
1.76
(0.069)
How to Order
PWR 220 - 2 F B R040 J E
Model
PWR = Power Resistor
Package
220 = TO220
221 = TO221
Number of Pins
2=2
Function
F = Thick Film
Version
A = TO221 Housing, Surface Mount, 30 W (w/Heat Sink)
C = TO220 Housing/TO221 Housing, Through-Hole, 50 W
(w/Heat Sink)
D = TO220 Housing, Surface Mount, 50 W (w/Heat Sink)
Resistor Value for all Tolerances
<100 ohms ..... “R” represents decimal point
(examples: 7R50 = 7.5 ohms; R040 = 0.040 ohms)
100 ohms ..... First three digits are significant, fourth digit represents
number of zeros to follow
(examples: 2000 = 200 ohms; 2002 = 20K ohms)
Absolute Tolerance
J=5% G=2% F=1%
Packaging
E = Tape & Reel (Available only for Versions A and D)
___ = Tubes
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.



BOURNS PWR221F
PWR220/PWR221 F Series Power Resistors
Soldering Profile (Surface Mount Version Only)
250 Peak 260 +5/-0 °C
230 °C or higher
200
180 °C
Pre-heating Zone
150 150 °C
90 ± 30 seconds
100
30 ± 10 seconds
Soldering Zone
50
Heating Time
Packaging Dimensions
Derating Curve
120
100
80
60
40
20
0
25
50 85 100 115 130 145 155
Temperature of Heat Sink (°C)
Index Hole
W
B
PA
C
Trailer
Device
Leader
.......
.......
.......
.......
End
.......
.......
.......
.......
10 pitches (min.)
10 pitches (min.)
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
Direction of Feed
Dimensions
10.4
(0.409)
18.4
(0.724)
4.4
(0.173)
330
(12.992)
16.00
(0.630)
32
(1.260)
500
REV. 06/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
120
D
Start
DIMENSIONS:
MM
(INCHES)
Devices are packed in accordance with EIA standard
RS-481-A and specifications shown here.





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