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发布日期:2022-5-6 15:47:49 所属分类:充放电/抗突波电阻器 访问统计:813
固定电阻,抗浪涌电阻 |
突波防护插件电阻(PPR系列)的额定功率范围为0.25W至2W,电阻范围为2.2Ω至4.7MΩ,提供比碳电阻器更好的性能。 没有高浪涌引起的“烧结效应”,因此不会大大降低电阻值,PPR系列可以取代碳膜电阻器,外表使用多层不易燃涂层。 |
Applications: | |
•Lighting devices | |
•Motor start-up protection | |
•Power supplies & Power adapters | |
•High rush current protection for power capacitor | |
Features: | |
• Application: high-frequency, sharp-impulse circuits | |
• To protect active components in missile detonators, triac switching circuits, etc. | |
• Offer every better aspect of performance than carbon composition resistor. | |
• No "sintering effect" caused by high surge that greatly decreases resistance value. | |
• Replaces carbon composition resistor. | |
• Conformal multi-layer non-flammable coating | |
• 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(D) | Lead Wire Length (H) | Lead Wire Diameter (d) |
PPR25 | 6.50 ± 1.0 | 2.60 ± 0.30 | 26.0 ± 3.0 | 0.55 ± 0.02 |
PPR52 | 6.50 ± 1.0 | 2.60 ± 0.30 | 26.0 ± 3.0 | 0.55 ± 0.02 |
PPR51 | 9.00 ± 1.0 | 3.20 ± 0.20 | 26.0 ± 3.0 | 0.70 ± 0.03 |
PPR100 | 11.00 ± 1.0 | 4.00 ± 0.50 | 28.0 ± 3.0 | 0.70 ± 0.03 |
PPR200 | 13.50 ± 1.0 | 5.00 ± 0.50 | 30.0 ± 3.0 | 0.80 ± 0.03 |
General Specifications: |
Type | Power Rating (at70°C) |
Maximum Working Voltage |
Maximum Permissible Surge Voltage |
Minimum Resistance |
Maximum Resistance |
Resistance Tolerance |
PPR25 | 1/4W | 250V | 7000V | 10Ω | 4.7MΩ | ±5% |
PPR52 | 1/2W | 250V | 7000V | 10Ω | 4.7MΩ | ±5% |
PPR51 | 1/2W | 350V | 10000V | 2.2Ω | 4.7MΩ | ±5% |
PPR100 | 1W | 350V | 15000V | 10Ω | 4.7MΩ | ±5% |
PPR200 | 2W | 400V | 20000V | 10Ω | 4.7MΩ | ±5% |
上一产品:脉冲负载晶圆电阻器(PVM)
下一产品:突波抑制插件式电阻(MSD)