RESISTOR, THICK FILM PWR, 250OHM, 30W, 1%

PWR220-2FA2500F

Manufacturer Part NumberPWR220-2FA2500F
DescriptionRESISTOR, THICK FILM PWR, 250OHM, 30W, 1%
ManufacturerBourns Inc.
SeriesPWR220 F
PWR220-2FA2500F datasheet
 


Specifications of PWR220-2FA2500F

Resistance250ohmResistance Tolerance± 1%
Power Rating30WResistor Element MaterialThick Film
Resistor Case StyleTO-220Temperature Coefficient± 100ppm/°C
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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Material Specifi cations
Resistor .................................. Thick fi 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
Resistance
(Version A & B)
(Version C & D)
Power Rating @ 70 °C in Free Air
Power Rating with External Heat Sink
(Version A & B)
(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 & B)
(Version C & D)
Stability
Dielectric Withstanding Voltage
Operating Temperature
*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.
Features
TO220 or TO221 housing
Low inductance
SMD and through hole versions
High power rating
PWR220/PWR221 F Series Power Resistors
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.
Symbol
Min.
R
0.02
R
0.02
2.0
1.0
T J
-40
Models PWR220-2FB, PWR221-2FB,
and PWR220-2FA are available but
not recommended for new designs.
Models PWR220T-35, PWR221T-30, and
PWR263S-35
are suggested alternatives.
Nom.
Max.
Unit
Ω
100K
Ω
15K
1.50
W
30
W
50
W
5.0
%
5.0
%
±100
PPM/°C
±300
PPM/°C
±600
PPM/°C
3.5
°C/W
2.1
°C/W
0.5
%
2
kV DC
+155
°C

PWR220-2FA2500F 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 ...