WR-32D621/681K-OBO Surge Protector Chip MOV Varistor

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WR-32D621/681K-OBO Surge Protector Chip MOV Varistor
mov varistor
surge protector chip
varistor
mov varistor, surge protector chip
surge protector chip, varistor
mov varistor, varistor
Silver bare chip
Size φ33.4*33.4
Packing size φ34*34
MOV(metal oxide varistors)
WR-32D621 / 681K-OBO surge protector chip MOV varistor code annotation diagram
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
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