特点及用途
功率负荷大、温度系数小、电流噪声小
稳定性能，高频性能好
体积小、高、阻值范围宽
多种包装形式（带装、散装）

外形尺寸

型号尺寸(mm)
LDl±2d±0.05
MFR-12/RJ133.4±0.21.9±0.2280.45
MFR-25/RJ146.3±0.52.4±0.328

35
33
280.60
MFR-25S/RJ14X3.4±0.21.9±0.20.45
MFR-50/RJ159.0±0.53.3±0.50.60
MFR-50S/RJ15X6.3±0.52.4±0.30.60
MFR-100/MFR2WS/RJ1611.5±1.04.5±0.50.80
MFR-200/MFR3WS/RJ1715.5±1.05.0±0.50.80
MFR02043.4±0.5 1.9±0.3 0.45
MFR02076.3±0.5 2.4±0.5 0.60

主要性能指标
型号70℃额定功率(W)温度系数(10-6 /℃)
元件极限电压(直流或交流有效值)（V） 绝缘电压(直流或交流峰值)（V）阻值范围（Ω）
D(±0.5%) B(±0.1%)F(±1%)
G(±2%)J(±5%)
RJ130.16715~±R-100K1R～10M
RJ140.
RJ14X0.25200
RJ150.
RJI5X0.5
RJ16115~±50500
RJ
MFR02040.415~±R～10M1R-10M
MFR02070.R～10M

定做高精密:0.01% 0.5% 0.1% 0.25% 0.5%
定做低阻值:0.1R-0.99R 高阻值:10.1M-20M

RJ metaL-FILM RESISTORS

Features 1) Large power capacities, low temperature coefficient, low noise
2) better stability in performance and better performance in high frequency
3) Small volume and high accuracy, wide range of resistance.
4) Several types of package: taping or bulk 　packaging.

Dimensions

TypeDimensions(mm)
LDl±3d±0.05
MFR-12/RJ133.2±0.21.8±0.2260.45
MFR-25/RJ146.3±0.52.3±0.3280.55
MFR-25SRJ14X3.2±0.21.8±0.20.45
MFR-50/RJ159.5±0.53.5±0.50.60
MFR-50S/RJ15X6.3±0.52.3±0.30.55
MFR100/MFR200S/RJ1611.0±1.04.5±0.50.70
MFR200/MFR3WS/RJ1716.0±1.05.0±0.50.80
MFR02043.4±0.5 1.9±0.3 0.50
MFR02076.3±0.5 2.4±0.5 0.60

Specifications
TypePower Rating (W)Temp. Coefficient (10-6 /℃)
Max Working Voltage
(V ) Isolation Voltage
(V)Resistance Range (Ω)
D(±0.5%)B(±0.1%)F(±1%)
B(±0.1%)J(±5%)
RJ130.167±R-100K1R～10M
RJ140.
RJ14X0.25200
RJ150.
RJI5X0.5
RJ161±250500
RJ
MFR02040.4±R～10M1R-10M
MFR02070.R～10M
Resistance Tolerance:±0.01% ±0.05% ±0.1% ±0.25% ±0.5% ±1%
T.C.R.:±10PPM/℃ ±15PPM/℃ ±25PPM/℃ ±50PPM/℃ ±100PPM

金属膜电阻器一般采用真空蒸发工艺制得，即在真空中加热合金，合金蒸发，使瓷棒表面形成一层导电金属膜。刻槽和改变金属膜厚度可以控制阻值。它的耐热性、噪声电势、温度系数、电压系数等电性能比碳膜电阻器优良。金属膜电阻器的制造工艺比较灵活，不仅可以调整它的材料成分和膜层厚度，也可通过刻槽调整阻值，因而可以制成性能良好，阻值范围较宽的电阻器。
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