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RJM Metal Film Precision Melf Resistors
Metal Film Precision
Melf Resistors
Metal-Film (MELF RJM) Resistors
Offer More Design Options
Preview
RJM professional thin film MELF resistors (Cylindrical Resistors) are the perfect choice for most fields of
modern professional electronics where reliability and stability is of major concern.
RJM resistors combine the proven reliability of professional MELF products with a most advanced level of
precision and stability first achieved with axial thin film high precision resistors.
This unique combination makes the product perfectly suited for all applications with outstanding requirements
towards reliable precision and stability. The typical applications in the fields of telecommunication, automotive
and medical equipment reflect the outstanding level of proven reliability.
RJM MELF equate Vishay, Ohmite, Caddock, IRC, EBG, KAO, Panasonic Precision Devices with more
competitive price and fast delivery.
Contact us with your specific needs.
Applications :
- Telecom.
- Medical electronics.
- Test and measurement.
- Space and aircraft electronics.
- Industrial process control systems.
- Measuring and calibration equipment.
Features
- DIN: 0102, 0204, 0207, 0411.
- Pure Sn termination on Ni barrier layer.
- Very high ratio of performance to price.
- High precision tolerance down to ± 0.05 %.
- Force fitted steel caps, tin plated on nickel barrier.
- Superior overall stability, most advanced thin film technology.
- TCR down to ± 5ppm/°C, wide resistance range: 0.1Ω to 22MΩ.
- ompatible with lead (Pb)-free and lead containing soldering
Version 2010
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RJM Metal Film Precision Melf Resistors
Dimensions & Recommended Soldering Bath Dimensions
L
D
W
S
D1
L1
K
RJM73S
3.5
1.6
1.3
0.8
D+0/D-0.25
1.6
2.5
2.5
RJM73P
RJM74S
5.7
2.9
2.1
1.3
D+0/D-0.5
2.6
2.5
2.5
RJM74P
DIN: 0207
6.0
3.3
2.1
1.3
D+0/D-0.5
2.8
2.8
2.8
RJM16M
H
Type
Metric type
L(±0.3)
Dimension
(mm)
L1(±0.3)
D(±0.3)
K(±0.2)
D1(±0.1)
Soldering bath
(recommended)
(mm)
S
W
H
RJM72P
DIN: 0102
2.2
1.0
1.3
0.4
D+0/D-0.15
1.0
2.0
2.0
RJM17M
8.7
4.9
3.1
1.8
D+0/D-0.5
5.6
3.2
3.8
RJM18M
11.8
8.1
3.6
1.8
D+0/D-0.5
8.2
4.0
4.5
DIN: 0204
DIN: 0411
Characteristics
Type
Metric type
Rated dissipation P
70
Resistance range (Ω)
Resistance tolerance (%)
Temperature coefficient(ppm/°C)
Climatic category(LCT/UCT/days)
Operating voltage Umax
Temperature range
Insulation voltage (V)
Insulation resistance
300
300
300
200V
200V
250V
RJM72P
DIN: 0102
0.125W
10 ~ 1M
RJM73S
0.125W
RJM73P
0.25W
RJM74S
0.25W
RJM74P
DIN: 0207
0.50W
0.1 ~ 22M
1.0W
RJM16M
RJM17M
2.0W
RJM18M
3.0W
DIN: 0204
0.1 ~ 10M
DIN: 0411
0.1 ~ 22M
J ( ±5 ); F ( ±1 ); D ( ±0.5 ); C ( ±0.25 ); B ( ±0.10 ); A5 ( ±0.05 )
C2 ( ±50 ); C3 ( ±25 ); C5( ±15 ); C6 ( ±10 ); C7 ( ±5 )
55 / 125 / 56
250V
300
300V
600
>1GΩ
350V
700
400V
800
450V
900
-55°C to 125°C
Notice: Resistance out of range, tolerance and temperature coefficient match are under request. RJM72 is still in trial production.
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How to Order
RJM Metal Film Precision Melf Resistors
RJM74P
10R
D
C6
P
Product type: RJM72P, RJM73S, RJM73P, RJM74S, RJM74P, RJM16M, RJM17M, RJM18M
Resistance Value :
Code
Resistance Value
0R1
10R
100R
1K
10K
100K
1M
10M
Resistance Tolerance (%)
Code
J
0.1Ω
10Ω
100Ω
1KΩ
10KΩ
100KΩ
1MΩ
10MΩ
Resistance Tolerance
±5%
±1%
±0.5%
±0.25%
±0.10
%
±0.05%
F
D
C
B
A5
Temperature coefficient (ppm/°C)
Code
C2
Temperature coefficient
±50 ppm/°C
±25 ppm/°C
±15 ppm/°C
±10 ppm/°C
±5 ppm/°C
Packaging
Taping Reel
Bulk
C3
C5
C6
C7
Packaging
Code
T
P
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