PF2270 Datasheet, PDF (1/2 Pages) Riedon Powertron – Thin Film Power Resistors

PF2270 Series
Thin Film Power Resistors
Type
Power Rating (with heatsink)
Resistance Range
Resistance Values
Thermal Resistance
Tolerances
Temperature Coefficient
Operating Temperature
MAX Continuous Voltage
MAX Continuous Current
Isolation Voltage
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
Recommended Mounting Torques
• 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
• Isolated Back Plate
• Dual Resistor Package Available
SPECIFICATIONS
PF2272
200 W
0.1 to 100K Ohms
0.5 °C/W
PF2274
300 W
0.1 to 100K Ohms
( 0.1 to 1 Ohm only available Terminal Z )
E12 ( Plus 2 Ohm and 5 Ohm )
0.32 °C/W
5%( 1% optional )
±100 ppm/°C
-55°C to 155°C
√ (P * R)
55A
2500VAC
±1%
±1%
±1%
±0.25%
> 1000 MegOhm
Terminals: 0.6 Nm Backplate: 1.0Nm
PF2276
600 W
50 to 1K Ohms
0.11 °C/W
Dimension mm
A
38.0
B
25.0
C
11.8
D
4.2
E
13.0
F
15.0
G
30.0
H
10.0
(±mm)
0.2
0.2
0.5
0.1
0.3
0.4
0.1
0.2
inches
1.50
0.98
0.47
0.165
0.512
0.591
1.181
0.394
(±inches)
0.008
0.008
0.020
0.008
0.012
0.016
0.004
0.008
Ordering Information
Part Number - Terminal Style - Resistance - Tolerance
PF2274X 10 Ohms 5% 4T
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
[phone]
[phone]
www.riedon.com
12/10a