■构造图 CONSTRUCTION（mm） |
■外形尺寸 DIMENSIONS（mm） |
■产品特点FEATURES
|
●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
■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
■ 技术参数 TECHNICAL SPECIFICATIONS
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 |
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℃ |
RJM75P0207 | 0.5 | 300 | 500 | 0.1~22M | ||||
RJM76M0207 | 1 | 300 | 500 | 0.1~22M | ||||
RJM77M0411 | 2 | 350 | 500 | 0.1~22M | ||||
RJM78M0617 | 3 | 400 | 500 | 0.1~22M |
■ 性能指标 PERFORMANCE
试验项目 Test ltem | 性能要求 Specifications | 试验变化 Test method |
可焊性 Soldeability | ≥95% | 235±5℃ 2±0.5s |
短时过载 Short time overload | △R≤±(0.25%R+0.05Ω) | 2.5VR, 5s |
温度冲击Thermal shock | △R≤±(0.2%R+0.05Ω) | -65~150℃,5cycles |
耐焊接热 Leaching | △R≤±(0.1%R+0.05Ω) | 260±10℃, 10±1s |
耐湿Resistance to moisture | △R≤±(0.5%R+0.05Ω) | -10~65℃, RH＞90%, 240H |
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
产品型号 Type |
RJM74P RJM75P RJM76M RJM77M RJM78M
|
精度 Tolerance |
W:±0.05% B:±0.1% C:±0.25% D:±0.5% F:±1% J:±5% |
包装方式 Pakaging |
塑料袋plastic bags 编带tape |
标称阻值 Nominal Value |
1001=1KΩ 1122=11.2KΩ 1R00=1Ω 0R495=0.495Ω 1114=1.11MΩ 2205=22MΩ |
温度系数 TCR |
7:±5ppm 6:±10ppm 5:±15ppm 3:±25ppm 2:±50ppm 1:±100ppm |
类型 Style |
0204 0207 0411 0617 |
0204 |
7 |
1001 |
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