PWR220-2FA2R50F Bourns Inc., PWR220-2FA2R50F Datasheet
PWR220-2FA2R50F
Manufacturer Part Number
PWR220-2FA2R50F
Description
Thick Film Resistors - SMD 2.5ohm 1% 2Pin SMD
Manufacturer
Bourns Inc.
Series
PWR220/PWR221r
Datasheet
1.PWR220-2FA3R00F.pdf
(3 pages)
Specifications of PWR220-2FA2R50F
Resistance
2.5 Ohms
Tolerance
1 %
Power Rating
30 Watts
Termination Style
SMD/SMT
Package / Case
TO-220
Operating Temperature Range
- 40 C to + 130 C
Dimensions
10.16 mm W x 12.7 mm L x 4 mm H
Temperature Coefficient
+/- 100 PPM / C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Resistor .................................. Thick fi lm
Substrate ......................Alumina (AL203)
Housing ................................Epoxy/PPS
Lead Frame .......Tinned Copper (Sn/Cu)
Maximum Torque ........................ 1.0 Nm
Packaging
**Tape & Reel is only available for
Versions A and D.
*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.
Parameter
Resistance
Power Rating @ 70 °C in Free Air
Power Rating with External Heat Sink
Tolerance
TCR
Thermal Resistance – Rthj
Stability
Dielectric Withstanding Voltage
Operating Temperature
Material Specifi cations
Tubes ...............................50 pcs./tube
Tape & Reel** .................. 500 pcs./reel
Electrical & Thermal Characteristics
(Version A & B)
(Version C & D)
(Version A & B)
(Version C & D)
0.02 Ω < R < 1.0 Ω
1.0 Ω < R < 100K Ω
0.1 Ω < R < 100.0K Ω
0.05 Ω < R < 0.099 Ω
0.02 Ω < R < 0.049 Ω
(Version A & B)
(Version C & D)
PWR220/PWR221 F Series Power Resistors
Features
■
■
■
■
The Bourns
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.
General Information
TO220 or TO221 housing
Low inductance
SMD and through hole versions
High power rating
®
PWR220 F Series is a TO220 style Power Resistor; PWR221 F is a TO221
Symbol
T J
R
R
Min.
0.02
0.02
-40
2.0
1.0
Nom.
Models PWR220T-35, PWR221T-30, and
PWR263S-35
3.5
2.1
0.5
Models PWR220-2FB, PWR221-2FB,
and PWR220-2FA are available but
not recommended for new designs.
are suggested alternatives.
100K
Max.
±100
±300
±600
+155
1.50
15K
5.0
5.0
30
50
2
PPM/°C
PPM/°C
PPM/°C
kV DC
°C/W
°C/W
Unit
°C
W
W
W
%
%
%
Ω
Ω
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PWR220-2FA2R50F Summary of contents
Page 1
... High power rating PWR220/PWR221 F Series Power Resistors General Information The Bourns ® PWR220 F Series is a TO220 style Power Resistor; PWR221 TO221 style Power Resistor. Manufactured using thick fi Alumina ceramic technology used in applications such as power supplies, motor drives and measurements. Symbol Min. ...
Page 2
... 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 1.2 (0.15) (0.05) 14.4 16.4 (0.57) (0.65) 1.3 (0.05) 1.85 (0.07) 0.76 (0.03) MEASURING POINT 5.08 ...
Page 3
... PWR220/PWR221 F Series Power Resistors Soldering Profi le (Surface Mount Version Only) 250 200 180 °C 150 150 °C 100 50 Packaging Dimensions Index Hole Trailer Device ....... ....... End ....... ....... 10 pitches (min.) Item Symbol Carrier Width A Carrier Length B Carrier Depth C Reel Outside Diameter D Punch Hole Pitch ...