MFM Series
Film Resistors
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Resistances from 10 Ohms to 10MOhms
Power Rating to 1 Watt
Resistance Tolerances to ±0.05%
TCR’s to ±5ppm/K
Convenient RN Type Package Styles
SPECIFICATIONS
Type
DIN
Resistance Range
Power rating (70°C)
Tolerances
Temperature Coefficient
Operating Voltage (Umax)
Operating Temperature Range
Insulation Resistance
Insulation Voltage
300V
0.50W
MFM55
0204
MFM60
0207
10 Ohms to 10MOhms
0.60W
0.05% / 0.1% / 0.25% / 0.5% / 1% / 5%
5 / 10 / 15 / 25 / 50ppm/K
300V
-55 to 125°C
>1G
>500V
MFM65
1.0W
350V
Test
Short Time Overload
Solderability
Temperature Cycling
Humidity Cycling
Vibration
Load Life (1000h)
Load Life (8000h)
Conditions
2.5X rated power up to 2X V
max
; 5s
Solder Bath; 260°C for 5s ± 1s
30min at -55°C, 30min at +155°C, 5 cycles
40 ± 2°C, 93 +2/-3% RH, 56 days
10 to 2000Hz for 6h
P
70
up to V
max,
1.5h on 0.5h off, 1000h, 70°C
P
70
up to V
max,
1.5h on 0.5h off, 8000h, 70°C
Allowable Change ΔR/R
±0.10% + 0.05 Ω
±0.25% + 0.05 Ω
±1.00% + 0.05 Ω (Tight Tolerance)
±2.00% + 0.05 Ω (Normal Tolerance)
Power Derating Curve
120
100
Power ( % )
80
60
40
20
0
0
25
50
75
100
125
150
175
200
Ambient Temperature (°C)
Ordering Information
Part Number - Resistance - Tolerance
MFM55 100 kOhms 0.5%
Riedon Inc.
03/11
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
RIEDON [ RIEDON POWERTRON ]
