PF2270 Series
Thin & Thick Film Power Resistors
• Resistances from 0.1 Ohms to 100K Ohms
• Power Rating to 600 Watts
• Resistance Tolerances to ±1%
• TCR of ±100ppm/C
• TO-227 (TO-238) Housing
• M4x5mm Screws Included
• Isolated Back Plate
SPECIFICATIONS
Type
PF2272
PF2274
PF2276
Power Rating (with heatsink)
Additional Lead Configurations
200 W
Y / Z
300 W
Y / Z
600 W
Y / Z
0.1 to 100K Ohms
Resistance Range
Resistance Values
0.1 to 100K Ohms
50 to 1K Ohms
( 0.1 to 1 Ohm only available Terminal Z )
E12 ( Plus 2 Ohm and 5 Ohm )
Thermal Resistance
0.5 °C/W
0.32 °C/W
5% ( 1% optional )
±100 ppm/°C
-55°C to 155°C
√ (P * R)
0.11 °C/W
Tolerances
Temperature Coefficient
Operating Temperature
MAX Continuous Voltage
MAX Continuous Current
Isolation Voltage
55A
2500VAC
±1%
Load Life ( 25°C, 90m ON, 30m OFF, 1000hr )
Humidity ( 40°C, 90-95% RH, DC0.1W, 1000hr )
Temp. Cycle ( -55°C 30m, 120°C 30m, 20X)
Vibration ( 0.75mm, 100m/s2, 10-54Hz, 10X, XYZ )
Insulation Resistance
±1%
±1%
±0.25%
> 1000 MegOhm
Technology
Thick Film
Thin Film
AlN
Substrate
AlO
Alumina / Cu Flange
Ordering Information
Part Description: Part Type - Terminal Style - Resistance - Tolerance
PF2274Y 10 Ohms 5%
Part Type
Terminal Style
Resistance
Tolerance
(*) For standard terminal style omit letter
(**) 1% Tolerance Optional
PF 2272
PF 2274
PF 2276
(*)
Y
0.1 to 100K Ohms
50 to 1K Ohms
5 %
(**)
Z
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
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RIEDON [ RIEDON POWERTRON ]
