| 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 | 40 kA | ||
| Maximum limiting voltage | ≤1.4kV（at10kA） | ≤1.7kV (at20kA) | ≤2.1kV (at20kA) |
| 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) | Energy（2ms） | ||
| U ac V | U dc V | U p V | I A | Imax KA | In KA | E J | |||
| WRA34S431K | 430 | ±10 | 275 | 350 | 710 | 300 | 40 | 20 | 550 |
| WRA34S471K | 470 | ±10 | 300 | 385 | 775 | 300 | 40 | 20 | 600 |
| WRA34s511K | 510 | ±10 | 320 | 415 | 845 | 300 | 40 | 20 | 640 |
| WRA34S561K | 560 | ±10 | 345 | 460 | 925 | 300 | 40 | 20 | 710 |
| WRA34S621K | 620 | ±10 | 385 | 505 | 1025 | 300 | 40 | 20 | 800 |
| WRA34S681K | 680 | ±10 | 420 | 560 | 1120 | 300 | 40 | 20 | 910 |
| WRA34S711K | 710 | ±10 | 440 | 585 | 1180 | 300 | 40 | 20 | 950 |
| WRA34S751K | 750 | ±10 | 460 | 615 | 1240 | 300 | 40 | 20 | 960 |
| WRA34S821K | 820 | ±10 | 510 | 670 | 1355 | 300 | 40 | 20 | 980 |
| WRA34S911K | 910 | ±10 | 550 | 745 | 1500 | 300 | 40 | 20 | 1000 |
| WRA34S102K | 1000 | ±10 | 625 | 825 | 1650 | 300 | 40 | 20 | 1050 |
| WRA34S1221K | 1200 | ±10 | 750 | 980 | 1850 | 300 | 40 | 20 | 1450 |
| WRA34S1621K | 1600 | ±10 | 1000 | 1320 | 2550 | 300 | 40 | 20 | 1750 |
