MF Series

MF Series
Film Resistors
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Resistances from 0.1 Ohm to 5M Ohms
Power Rating to 3 Watts
Resistance Tolerances to ± 0.1%
TCR’s to ± 5ppm/C
Convenient RN Type Package Styles
SPECIFICATIONS
Type
MIL-R-10509F
MF50
MF55
MF60
MF65
MF70
MF75
RN50
RN55
RN60
RN65
RN70
RN75
2.0W
3.0W
Resistance Range
0.1 Ohms to 5M Ohms
Power rating (70°C)
0.16W
0.25W
Tolerances
0.50W
1.0W
0.1% / 0.25% / 0.5% / 1% / 5%
Temperature Coefficient
5 / 10 / 15 / 25 / 50ppm/°C
Operating Voltage (Umax)
200V
250V
300V
350V
450V
500V
Short Time Overload Voltage
400V
500V
600V
700V
900V
1000V
16.0 [ 0.630 ]
5.5 [ 0.217 ]
0.8 ± 0.05
[0.032 ± 0.002]
18.0 [ 0.709 ]
6.5 [ 0.256 ]
0.8 ± 0.1
[0.032 ± 0.004]
Operating Temperature Range
-55 to 125°C
Resistance to Solder Heat
(260°C for 3.0 secs.)
±0.25%+0.05Ω
Insulation Resistance
>1G
Insulation Voltage
>500V
∆R/R max.after 1000h
< 1%
Stability
0.5%
Dimensions in mm [inches]
L ( MAX )
D ( MAX )
d
3.8 [ 0.150 ]
2.0 [ 0.078 ]
0.5 ± 0.05
[0.020 ± 0.002]
6.0 [ 0.24 ]
2.5 [ 0.098 ]
0.6 ± 0.05
[0.024 ± 0.002]
10.0 [ 0.394 ]
3.5 [ 0.138 ]
0.6 ± 0.05
[0.024 ± 0.002]
12 [ 0.472 ]
4.5 [ 0.177 ]
0.7 ± 0.05
[0.028 ± 0.002]
Power Derating Curve
120
Power ( % )
100
80
60
40
20
0
0
25
50
75
100
125
150
175
200
Ambient Temperature (°C)
Ordering Information
Part Description: Part Type - Resistance - Tolerance - TCR
MF55 100K Ohms 0.5% 25ppm
Riedon Inc.
05/14
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704