■产品特点FEATURES
●高精度
尺寸(size) | L±0.05 | W±0.05 | H±0.05 | l±0.05 | d±0.05 | UPR1/4 UPR1/2 | 10.6 | 4 | 10 | 7.62 | 0.60 |
|
●低温度系数
● 稳定性优良
● High precision
■ 应用范围 APPLICATIONS
●精密仪器、仪表、电子设备
●电子衡器
●Precision meters,instrument,
electronic equipments
●Electronic weighing apparatus
■ 执行标准 REFERENCE STANDARDS
GB/T 5729-2003
■ 技术参数 TECHNICAL SPECIFICATIONS
型号 | 70℃额定功耗
(W) Rated dissipation,P70 | 阻值范围
(Ω) Resistance range | 阻值允许偏差
±(%) Resistance tolerance | 电阻温度系数
±(×10-6/℃) Temperature coefficient | 元件极限电压
(V) Max Working Voltage(V) | 绝缘电压 Insulate Voltage(V) |
| 0.25 | 5Ω~10M | L: 0.01 P: 0.02 W: 0.05 B: 0.1 | 5 10 15 25 50 | 250 | 500 |
0.5 | 300 | 500 |
■ 性能指标 PERFORMANCE
试验项目 Test ltem | 性能要求 Specifications | 试验变化 Test method |
短时过载 Short time overload | △R≤±(0.1%R+0.01Ω) | 2.5VR, 5s |
可焊性 Soldeability | ≥95% | 235±5℃ 2±0.5s |
70℃耐久性 Endurance at 70℃ | △R≤±(0.5%R+0.05Ω) | 70±2℃,VR(or Umax）1000h |
温度快速变化 Rapid change of temperature | △R≤±(0.5%R+0.05Ω) | -55/125℃,30min 5cycles |
耐焊接热 Leaching | △R≤±(0.1%R+0.01Ω) | 260±10℃, 10±0.5s |
气候顺序 Climatic category | △R≤±(0.5%R+0.1Ω) | -10~65℃,湿度＞90%,循环240h |
振动 Vibrating | △R≤±(0.1%R+0.01Ω) | 10~500Hz,0.75mm or 98m/s2,6h |
■ 订货示例 How To Order
例如Example
L:±0.01% P:±0.02% W:±0.05% B:±0.1% |
1003=100KΩ 1122=11.2KΩ 1R00=1Ω 0R495=0.495Ω 1114=1.11MΩ 2206=22MΩ |
7:±5ppm 6:±10ppm 5:±15ppm 3:±25ppm 2:±50ppm |
