| Silver bare chip | |
| Size | φ33.4*33.4 |
| Packing size | φ34*34 |
| MOV(metal oxide varistors) |
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| The main technical index | |||
| Model specification | 34S511K | 34S621K | 34S751K |
| Packing size | 459~561 | 558～682 | 675～825 |
| Maximum continuous operating voltage | 320VAC | 385VAC | 460VAC |
| Dc leakage current | ≤15μA | ||
| Nominal discharge current | 20kA | ||
| Maximum discharge current | 50 kA | ||
| limp | 6.5 kA | ||
| Maximum limiting voltage | ≤1.6kV（at 20kA） | ≤1.8kV (at 20kA) | ≤2.1kV (at 20kA) |
| Electrode surface coating | Silering | ||
| Thichness tmax(mm) | 6.1mm | 6.6mm | 6.6mm |
| Storage conditions | 1) Storage temperature:-10℃～+40℃ 2) Relative humidity:＜75%RH 3) This product can’t place in a bare place and can’t be stored in an environment exposed to corrosive gases or direct sunlight. | ||
| Operating temperature | -40℃～+85℃ | ||
| Sign | Can laser marking on the surface of mov(packing material) | ||
| Production range and parameters | |||||||||
| Type | Varistor voltage V1mA V | Tolerance range V1mA % | Maximum allowable voltage | Clamping voltage(Max.) | Maximum Peak Current(8/20μs) | Nominal Peak Current(8/20μs) | Lightning impulse current (10/350μs) | ||
| U ac V | U dc V | U p V | I A | Imax KA | In KA | Iimp KA | |||
| WRA34S471K-H | 470 | ±10 | 300 | 385 | 775 | 300 | 50 | 20 | 6.0 |
| WRA34S511K-H | 510 | ±10 | 320 | 415 | 845 | 300 | 50 | 20 | 6.0 |
| WRA34S561K-H | 560 | ±10 | 345 | 460 | 925 | 300 | 50 | 20 | 6.0 |
| WRA34S621K-H | 620 | ±10 | 385 | 505 | 1025 | 300 | 50 | 20 | 6.0 |
| WRA34S681K-H | 680 | ±10 | 420 | 560 | 1120 | 300 | 50 | 20 | 5.5 |
| WRA34S711K-H | 710 | ±10 | 440 | 585 | 1180 | 300 | 50 | 20 | 5.5 |
| WRA34S751K-H | 750 | ±10 | 460 | 615 | 1240 | 300 | 50 | 20 | 5.5 |
