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PW50ER140KLF

Description
Wirewound Resistors - Chassis Mount
CategoryPassive components   
File Size342KB,3 Pages
ManufacturerTT Electronics
Download Datasheet Parametric View All

PW50ER140KLF Overview

Wirewound Resistors - Chassis Mount

PW50ER140KLF Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerTT Electronics
Product CategoryWirewound Resistors - Chassis Mount
TechnologyWirewound
Mounting StyleChassis Mount
Resistors
General Purpose Radial Terminal
Power Wirewound Resistor 
General Purpose
PW Radial Series
Radial Terminal
0.10 to 2.0K
Power Wirewound Resistor
20 watts to 50 watts
±10% or ±5% tolerance
RoHS compliant construction available
0.10Ω to 2.0KΩ
Custom parts available - consult factory
20 watts to 50 watts
PW Radial Series
±10% or ±5% tolerance
RoHS compliant construction available
Custom parts available - consult factory
Inorganic
fireproof
encapsulant
Tinned steel
Steatite
ceramic case
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
Alloy resistance wire on
fiberglass substrate
Electrical Data
Type
PW-20E
PW-30
PW-40
PW-50E
- 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.
Power Rating @ 25°C
(watts)
20
30
40
50
Resistance
Range (ohms)
0.1 to 2.0K
0.5 to 1.2K
0.65 to 1.5K
0.08 to 1.8K
Temperature Rise Chart
300
Power Derating Curve
100
Temperature Rise (°C)
PW - 50E
200
PW - 40
100
PW - 30
Percent of Rated Load
PW - 20E
80
60
40
20
0
PW - 20E, PW - 30, PW - 40
PW - 50E without Bracket
0
0
25
50
75
100
Percent of Rated Load
125
0
50
100
150
200
Ambient Temperature (°C)
With Bracket:
PW-30 Increased to 40 watts
PW-40 Increased to 50 watts
PW-50 Increased to 60 watts
250
General Note
General Note
IRC reserves the right to make changes in product specification without notice or liability.
TT Electronics reserves the
own data and is
changes in product specification without notice or liability.
All information is subject to IRC’s
right to make
considered accurate at time of going to print.
Telephone:
361 992 7900 •
Facsimile:
361 992 3377 •
Website: www.irctt.com
BI Technologies IRC Welwyn
TT electronics plc
http://www.ttelectronics.com/resistors
PW Radial Series Issue March 2011 Sheet 1 of 2
A subsidiary of
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus
Christi Texas
78411 USA
© TT Electronics plc
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