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■ 构造图 CONSTRUCTION （mm） |
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■ 外形尺寸 DIMENSIONS （mm） |
■ 产品特点 FEATURES
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SMD表面贴装
防潮湿多层包装
低温度系数
高精度、高稳定度
可焊性极好的端子
采用蓝色或绿色涂料包封，色环标志，
编带包装或散装包装
SMD structure
Conformal multi-layer coating moisture proof
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■ 降功率曲线 DERATING CURVE
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Low TCR
High precision, high stability
Excellent solderabiliy termination
Blue or green flame-retardant coating
Colour Code Taping Reel or Bulk
- 应用范围 APPLICATIONS
- 适用于电子仪器和仪表，设备，彩电、空调、
音响等电器
电子衡器
- Electric instruments,equipments,TV,
audio, air-conditioning and other
electrical equipment
Electronic weighing apparatus
- 执行标准 REFERENCE STANDARDS
GB/T 5729-2003
SJ/T 10571-1994
SJ/T 10572-1994
SJ/T 10573-1994
SJ/T 10574-1994
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- 技术参数 TECHNICAL SPECIFICATIONS
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型号 Type |
额定功率(W) Power Rating |
最大工作电压 Max Working Voltage(V) |
绝缘电压 Insulate Voltage(V) |
阻值范围 Resistance Range(Ω) |
电阻温度系数 (+25~85℃) TCR(ppm/℃) |
精度 Tolerances |
额定功率 环境温度 Power Rating Ambient Temperature |
使用温度范围 Operating Temperature |
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RJM74P0204 |
0.25 |
250 |
350 |
0.1~2M |
±5 ±10 ±15 ±25 ±50 ±100 |
±0.05% ±0.1% ±0.25% ±0.5% ±1% ±5% |
-55~70℃ |
-55~125℃ |
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RJM75P0207 |
0.5 |
300 |
500 |
0.1~22M |
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RJM76M0207 |
1 |
350 |
500 |
0.1~22M |
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RJM77M0411 |
2 |
400 |
500 |
0.1~22M |
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RJM78M0617 |
3 |
500 |
500 |
0.1~22M |
- 性能指标 PERFORMANCE
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试验项目 Test ltem |
性能要求 Specifications |
试验变化 Test method |
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可焊性 Soldeability |
≥95% |
235±5℃ 2±0.5s |
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短时过载 Short time overload |
△R≤±(0.25%R+0.05Ω) |
2.5VR , 5s |
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温度冲击Thermal shock |
△R≤±(0.2%R+0.05Ω) |
-65~150℃,5cycles |
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耐焊接热 Leaching |
△R≤±(0.1%R+0.05Ω) |
260±10℃, 10±1s |
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耐湿Resistance to moisture |
△R≤±(0.5%R+0.05Ω) |
-10~65℃, RH＞90%, 240H |
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70℃耐久性 Endurance at 70℃ |
△R≤±(1%R+0.1Ω) |
70±2℃, PR1000H |
- 订货示例 How To Order
例如Example
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产品型号 Type |
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RJM74P RJM75P RJM76M RJM77M RJM78M |
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精度 Tolerance |
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W:±0.05% B:±0.1% C:±0.25% D:±0.5% F:±1% J:±5% |
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包装方式 Pakaging |
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塑料袋plastic bags 编带tape |
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标称阻值 Nominal Value |
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1001=1KΩ 1122=11.2KΩ 1R00=1Ω 0R495=0.495Ω 1114=1.11MΩ 2205=22MΩ |
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温度系数 TCR |
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7:±5ppm 6:±10ppm 5:±15ppm 3:±25ppm 2:±50ppm 1:±100ppm |
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类型 Style |
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0204 0207 0411 0617 |
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0204 |
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7 |
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1001 |
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RJM74P |
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B |
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T |
