水泥电阻五型 RX27-5-5W 尺寸26*13*9 RX27-5-7W 尺寸38.5*13*9 RX27-5-10W 尺寸35*16*13
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| | | RX27(RY27)-5-2W/3W/5W/7W/10W | | Power Wirewound Resistors | | fibre glass core .metal oxide element,ceramic case | | Dimensions | |
| | | Technical Specifications |
Type | Rated power(W)
Ambient temperature=70℃
| Resistance range | Dimensions(mm) | | RX27 | RY27 | L | B | D | RX27(RY27)-5
| 2.0 | R50···1KO | 390···100K | 20.5 | 11 | 7 | RX27(RY27)-5
| 3.0 | R50···2K2 | 680···100K | 25.0 | 12 | 8 | | RX27(RY27)-5 | 5.0 | R50···2K2 | 680···100K | 26.0 | 13 | 9 | | RX27(RY27)-5 | 7.0 | 1RO···6K2 | 1K···100K | 39.0 | 13 | 9.5 | RX27(RY27)-5
| 10.0 | 1R5···10K | 1K···100K | 51.0 | 13 | 9.5 |
| | | Characteristics | | TEST ITEM | SPECIFICATIONS | | Tolerance range | ±5%(J) ±10%(K) | | Temperature coefficient | ±250×10-6/℃,±500×10-6/℃ | | Insulation voltage | 700V | | Insulation resistance | >1GΩ | | Climatic category | 55/155/21 | | Temperature range | -55～275℃ | | Derating | when ambient temperature rise from 70℃ to 275℃,
the resistors allowable load down from 100% to 0% | | Load life Rated Power,70℃,1000hrs | △R≤±(5%R+0.1Ω) | | Dampheat,steady state 40℃,93%,r,h,21d | △R≤±(5%R+0.1Ω) | | Terminal strength | △R≤±(1%R+0.05Ω) | | Resistance to sold.heat ,350℃,3.5s | △R≤±(1%R+0.05Ω) | | Solderability | IEC68-2-20(1968),235℃±5℃,2±0.5s(solder bath method) |
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