SF-2
Surface Mount / Precision Metal Film Resistors
•
•
•
•
•
Resistances from 50 to 3MOhms
Tolerance to ±0.05%
TCR’s to ± 5ppm/°C
Very Low Inductance
Excellent Long Term Stability
SPECIFICATIONS
Specification
Resistance Range
Power Rating
Temperature Range
Dielectric Strength
Insulation Resistance
Voltage Coefficient
Value
50W
to 3MW
1W ( T
Ambient
= 70°C )
-25°C to +125°C ( TC ≥ 25ppm/°C )
-10°C to +85°C ( TC < 25ppm/°C )
750 VAC
>1000 MOhms / Dry
0.5 ppm/V ( Max )
( ±ppm/K )
TCR
5
10
15
25
50
Resistances Available at these Tolerances
±0.05%
50W - 250KW
50W - 510KW
50W - 510KW
50W - 510KW
50W - 510KW
±0.10%
10W - 250KW
10W - 510KW
10W
- 1MW
10W
- 1MW
5W
- 1MW
±0.25%
10W - 250KW
10W - 510KW
10W
- 1.5MW
10W
- 1.5MW
3W
- 1.5MW
±0.50%
10W - 250KW
10W - 510KW
10W
- 1.5MW
5W
- 2MW
2W
- 2MW
±1%
-
-
10W
- 1.5MW
5W
- 2MW
1W
- 3MW
Power Derating Curve
120
100
Power ( % )
80
TC
2
>=
TC <
60
40
20
0
p
5p
25ppm
m
0
25
50
75
100
125
150
175
Ambient Temperature (°C)
Ordering Information
Part Description: Part Type - Resistance - Tolerance - TCR
Example: SF-2 200 kOhm 0.1% 5ppm
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
Page 87
07/13
RIEDON [ RIEDON POWERTRON ]
