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)
200 W
300 W
600 W
0.1 to 100K Ohms
Resistance Range
Resistance Values
0.1 to 100K Ohms
0.5 °C/W
50 to 1K Ohms
0.11 °C/W
( 0.1 to 1 Ohm only available Terminal Z )
E12 ( Plus 2 Ohm and 5 Ohm )
Thermal Resistance
0.32 °C/W
5% ( 1% optional )
±100 ppm/°C
-55°C to 155°C
√ (P * R)
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
Terminals: 1.0 Nm Max / 0.6 Nm Recommended
Mounting: 1.6 Nm Max / 1 Nm Recommended
Torque
Ordering Information
Part Description: Part Type - Resistance - Terminal Style - Tolerance
PF2274 10 Ohms X 5%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
www.riedon.com
5/13
RIEDON [ RIEDON POWERTRON ]
