Features
TO220 or TO221 housing
Low inductance
SMD and through hole versions
High power rating
PWR220/PWR221 F Series Power Resistors
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
General Information
The Bourns® PWR220 F Series is a TO220 style Power Resistor; PWR221 F is a TO221
style Power Resistor. Manufactured using thick fi lm on Alumina ceramic technology, it
is used in applications such as power supplies, motor drives and measurements.
Material Specifi cations
Resistor .................................. Thick lm
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 Symbol Min. Nom. Max. Unit
Resistance
(Version A)
(Version C & D)
R
R
0.02
0.02
100K
15K
Ω
Ω
Power Rating @ 70 °C in Free Air
Power Rating with External Heat Sink
(Version A)
(Version C & D)
1.50
30
50
W
W
W
Tolerance
0.02 Ω < R < 1.0 Ω
1.0 Ω < R < 100K Ω
2.0
1.0
5.0
5.0
%
%
TCR
0.1 Ω < R < 100.0K Ω
0.05 Ω < R < 0.099 Ω
0.02 Ω < R < 0.049 Ω
±100
±300
±600
PPM/°C
PPM/°C
PPM/°C
Thermal Resistance – Rthj
(Version A)
(Version C & D)
3.5
2.1
°C/W
°C/W
Stability 0.5 %
Dielectric Withstanding Voltage 2 kV DC
Operating Temperature TJ-40 +155 °C
*RoHS COMPLIANT
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.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
PWR220/PWR221 F Series Power Resistors
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 signifi cant, 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
Product Dimensions
10.16
(0.4)
T
O
220 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
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)
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)
0.76
(0.03)
1.4
(0.06)
4.0
(0.16)
1.2
(0.05)
11.16
(0.439)
18.33
(0.722)
12.10
(0.476)
3.20
(0.126)
5.08
(0.200)
1.76
(0.069)
Recommended Pad Layout
DIMENSIONS: MM
(INCHES)
Typical Part Marking
PWR220-2F
R500 1%
0512
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
ABSOLUTE
RESISTANCE,
TOLERANCE
DATE CODE:
YYWW
Applications
Power supplies
Motor drives
Test and measurement
Welding
REV. 06/11
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
PWR220/PWR221 F Series Power Resistors
Soldering Profi le (Surface Mount Version Only) Derating Curve
50
100
150
200
250
Temperature (°C)
90 ± 30 seconds
Pre-heating Zone
150 °C
230 °C or higher
Peak 260 +5/-0 °C
180 °C
30 ± 10 seconds
Heating Time
Soldering Zone
Temperature of Heat Sink (°C)
50 85 100 115 130 155145
120
100
80
60
40
20
0
25
Power Ratio (%)
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 DIMENSIONS: MM
(INCHES)
Devices are packed in accordance with EIA standard
RS-481-A and specifi cations shown here.
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
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Bourns:
PWR220-2FAR0400F PWR220-2FB100R0J PWR220-2FB10R00J PWR220-2FB200R0J PWR220-2FB50R00J
PWR220-2FB7R500J PWR220-2FBR0400F PWR220-2FBR1000F PWR220-2FC200R0J PWR220-2FC5R000F
PWR220-2FC5R000J PWR220-2FCR0240F PWR220-2FCR0400F PWR221-2FB10000F PWR221-2FB10R00F
PWR221-2FB20001F PWR221-2FB200R0J PWR221-2FB7R500F PWR221-2FB7R500J PWR221-2FBR0400F
PWR221-2FBR0400J PWR221-2FC10000J PWR221-2FC10002J PWR221-2FC10R00J PWR221-2FC200R0J
PWR221-2FC5R000J PWR221-2FC7R500J PWR221-2FCR0100J PWR221-2FCR0400F PWR221-2FCR0400J
PWR221-2FCR0500J PWR220-2FAR0200F PWR220-2FAR0300F PWR220-2FAR0330F PWR220-2FAR0500F
PWR220-2FAR1000F PWR220-2FAR1500F PWR220-2FAR2000F PWR220-2FAR2500F PWR220-2FAR3000F
PWR220-2FAR3300F PWR220-2FAR4000F PWR220-2FAR5000F PWR220-2FAR7500F PWR220-2FA1R000F
PWR220-2FA1R500F PWR220-2FA10R00F PWR220-2FA100R0F PWR220-2FA10000F PWR220-2FA12R00F
PWR220-2FA120R0F PWR220-2FA15R00F PWR220-2FA2R000F PWR220-2FA2R500F PWR220-2FA20R00F
PWR220-2FA200R0F PWR220-2FA25R00F PWR220-2FA250R0F PWR220-2FA27R00F PWR220-2FA3R000F
PWR220-2FA3R300F PWR220-2FA30R00F PWR220-2FA300R0F PWR220-2FA33R00F PWR220-2FA330R0F
PWR220-2FA4R000F PWR220-2FA40R00F PWR220-2FA400R0F PWR220-2FA47R00F PWR220-2FA470R0F
PWR220-2FA5R000F PWR220-2FA50R00F PWR220-2FA500R0F PWR220-2FA56R00F PWR220-2FA560R0F
PWR220-2FA7R500F PWR220-2FA75R00F PWR220-2FA750R0F PWR220-2FA8R000F PWR220-2FBR0200F
PWR220-2FBR0300F PWR220-2FBR0330F PWR220-2FBR0500F PWR220-2FBR1500F PWR220-2FBR2000F
PWR220-2FBR2500F PWR220-2FBR3000F PWR220-2FBR3300F PWR220-2FBR4000F PWR220-2FBR5000F
PWR220-2FBR7500F PWR220-2FB1R000F PWR220-2FB1R500F PWR220-2FB10R00F PWR220-2FB100R0F
PWR220-2FB100000F PWR220-2FB100010F PWR220-2FB12R00F PWR220-2FB120R0F PWR220-2FB15R00F