pw181202klf IRC - a TT electronics Company., pw181202klf Datasheet
pw181202klf
Manufacturer Part Number
pw181202klf
Description
General Purpose Radial Terminal Power Wirewound Resistor
Manufacturer
IRC - a TT electronics Company.
Datasheet
1.PW181202KLF.pdf
(2 pages)
Electrical Data
PW Radial Series
•
•
•
•
•
Temperature Rise Chart
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
General Purpose
Radial Terminal
Power Wirewound Resistor
- Flameproof inorganic construction
- EIA RS-344, insulated fixed wirewound resistors
- 1000 hour load life at 25°C: 5% max.
- Moisture no load 240 hours: 2% max.
- Temperature cycling (5 cyc.): 5% max.
0.10Ω to 2.0KΩ
20 watts to 50 watts
±10% or ±5% tolerance
RoHS compliant construction available
Custom parts available - consult factory
300
200
100
0
0
PW-20E
PW-50E
Type
PW-30
PW-40
IRC
25
Percent of Rated Load
PW - 20E
50
PW - 50E
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
75
PW - 30
100
Power Rating @ 25°C
PW - 40
125
(watts)
20
30
40
50
Power Derating Curve
100
20
80
60
40
0
0
50
Ambient Temperature (°C)
With Bracket:
PW-30 Increased to 40 watts
PW-40 Increased to 50 watts
PW-50 Increased to 60 watts
Inorganic
fireproof
encapsulant
Alloy resistance wire on
fiberglass substrate
PW - 20E, PW - 30, PW - 40
PW - 50E without Bracket
100
Range (ohms)
150
0.65 to 1.5K
0.08 to 1.8K
Resistance
0.1 to 2.0K
0.5 to 1.2K
Tinned steel
PW Radial Series Issue December 2008 Sheet 1 of 2
Steatite
ceramic case
200
250
TT electronics plc
A subsidiary of
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pw181202klf Summary of contents
Page 1
General Purpose Radial Terminal Power Wirewound Resistor PW Radial Series • 0.10Ω to 2.0KΩ • 20 watts to 50 watts • ±10% or ±5% tolerance • RoHS compliant construction available • Custom parts available - consult factory Electrical Data IRC ...
Page 2
General Purpose Radial Terminal Power Wirewound Resistor Physical Data PW-20E Wirewound 0.250 (Typ.) 5/32 Dia. Thru (2) A 0.157±0.020 0.5±0.030 0.5±0.030 PW-20E Alternate Terminal Configuration -0.020" Tin coated Steel IRC Type PW-20E PW-30 PW-40 PW-50E Ordering Data Sample Part No. ...