■产品特点FEATURES
- 符合或超过IEC 60115标准
尺寸(size) | Lmax | Dmax | d±0.05 | l±3 | RF0.25 | 7.0 | 2.5 | 0.60 | 25 | RF0. 5 | 10.5 | 3.9 | 0.60 | 26 | RF1 | 14 | 5.5 | 0.75 | 26 | RF2 | 17 | 6.5 | 0.75 | 26 |
|
通常,具备电阻器的功能
■ 应用范围 APPLICATIONS
●精密仪器、仪表、电子设备、脉冲电路
●Precision meters,instrument,
electronic equipments,pulsecircuit
■ 执行标准 REFERENCE STANDARDS
SJ/T 2865-1988
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 | 最大开路电压
(V) Max open circuit Voltage(V) | 绝缘电压 Insulate Voltage(V) |
RF0.25 | 0.25 | 0.1Ω~1K | 1(F) 2(G) 5(J) | 350 | 200 | 250 |
RF0. 5 | 0.5 | 250 |
RF1 | 1 | 350 | 350 |
RF2 | 2 |
■ 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≤±(1%R+0.05Ω) | 2.5VR, 5s |
可焊性 Soldeability | ≥95% | 235±5℃ 2±0.5s |
熔断特性Fusingcharacteristic | open circuit | 2.5VR T＜30s |
70℃耐久性 Endurance at 70℃ | △R≤±(5%R+0.1Ω) | 70±2℃,VR(or Umax）1000h |
温度快速变化 Rapid change of temperature | △R≤±(1%R+0.05Ω) | -55/125℃,30min 5cycles |
耐焊接热 Leaching | △R≤±(1%R+0.05Ω) | 350±10℃, 3.5±0.5s |
气候顺序 Climatic category | △R≤±(5%R+0.1Ω) | -10~65℃,湿度＞90%,循环240h |
振动 Vibrating | △R≤±(1%R+0.05Ω) | 10~500Hz,0.75mm or 98m/s2,6h |
■ 订货示例 How To Order
例如Example
101=100Ω 1R0=1Ω 0R495=0.495Ω |
