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发布日期:2022-5-6 17:13:57 所属分类:充放电/抗突波电阻器 访问统计:818
金属膜抗突波电阻 |
脉冲负载晶圆电阻(PVM)的额定功率为0.4W至1W,电阻范围为300KΩ至30MΩ,电阻公差分别为±1%和±5%,可使用表面黏着技术(SMT)打件过锡炉,特殊设计的薄膜可承受比一般电阻更高的工作电压,并具有优异抗浪涌功能。MELF封装因使用圆柱形陶瓷芯,不容易受到热应力扭曲,致使陶瓷芯断裂,又因为圆柱状结构的表面积是片式贴片的3倍多大,有足够的散热体积,因此具有热阻低、散热快等优点。 |
Applications: | |
•Lighting devices | |
•Motor start-up protection | |
•Power supplies & Power adapters | |
•High rush current protection for power capacitor | |
Features: | |
• Pure tin-plated termination for excellent solderabillity | |
• Anti-sulfuration test qualified | |
• Excellent in heat dissipation than chip resistor | |
• Stronger mechanical structure to vibration and thermal shock | |
• SMD-enabled alternative to carbon composition resistors | |
• Proprietary thin film handles much higher working voltage than general purpose resistors | |
• Products meet RoHS requirements and do not contain substances of very high concern identified by European Chemicals Agency | |
Dimensions: | Unit:mm |
Type | Body Length(L) | Body Diameter(D1) | Body Diameter (D2) | Soldering Spot (B) |
PVM204 | 3.52 ± 0.15 | 1.35 ± 0.10 | D1+0.02/ -0.15 | 0.6 Min. |
PVM101 | 5.90 ± 0.20 | 2.20 ± 0.10 | D1+0.02/ -0.15 | 1.0 Min. |
General Specifications: |
Type | Power Rating (at70°C) |
Maximum Working Voltage |
Maximum Overload Voltage | Minimum Resistance |
Maximum Resistance |
Resistance Tolerance |
PVM204 | 0.4W | 600V | 1200V | 300KΩ | 30MΩ | ±1%~±5% |
PVM101 | 1W | 1000V | 2000V | 300KΩ | 39MΩ | ±1%~±5% |
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