MELF Resistors
Metal Film RJM series - Melf Resistor / 超精密金属膜晶圆电阻
Features
- Advanced thin film technology.
- Low TCR: lower than ±5ppm/°C.
- Tolerance up to ±0.05%.
- Power dissipation rating up to 5W.
- Excellent overall stability: Class 0.10.
- Wide resistance range: 0.1Ω to 22MΩ.
- Very high ratio of performance to price.
RJM Resistor Quick Reference Data
L
S
W
D
D1
H
K
L1
Type
Metric type
Rated dissipation P
RJM72P RJM73S RJM73P RJM74S RJM74P RJM16M RJM17M RJM18M
DIN: 0102
DIN: 0204
DIN: 0207
0.50W
DIN: 0411
2.0W 3.0W
0.1 ~ 22M
0.125W 0.125W 0.25W
0.25W
1.0W
70
Resistance range (Ω)
10 ~ 1M
0.1 ~ 10M
0.1 ~ 22M
Resistance tolerance (%)
J ( ±5 ); F ( ±1 ); D ( ±0.5 ); C ( ±0.25 ); B ( ±0.10 ); A5 ( ±0.05 )
Temperature coefficient
(ppm/°C)
C2 ( ±50 ); C3 ( ±25 ); C5( ±15 ); C6 ( ±10 ); C7 ( ±5 )
Climatic category
(LCT/UCT/days)
55 / 125 / 56
Operating voltage Umax
Temperature range
Insulation voltage (V)
Insulation resistance
L(±0.2)
200V
300
200V
300
250V
300
250V
-55°C to 125°C
300 600
>1GΩ
300V
350V
700
400V
800
450V
900
2.2
1.0
1.3
0.4
3.5
1.6
1.3
0.8
5.5
3.5
2.1
1.0
5.9
3.9
2.1
1.2
8.6
6.2
3.1
1.5
11.6
8.8
3.6
1.6
L1(±0.2)
D(±0.2)
Dimension
(mm)
K(±0.1)
D+0/
D-0.15
D+0/
D-0.5
D+0/
D-0.5
D+0/
D-0.5
D1(±0.1)
D+0/D-0.25
D+0/D-0.5
S
1.0
2.0
2.0
1.6
2.5
2.5
2.6
2.5
2.5
2.8
2.8
2.8
5.6
3.2
3.8
8.2
4.0
4.5
Soldering bath
(recommended)
(mm)
W
H
Notice ● Resistance out of range, tolerance and temperature coefficient match are under request.
● RJM72 is still in trial production.
01 of 02
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