P0720SB 查看數據表（PDF） - Shanghai Leiditech Electronic Technology Co., Ltd

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生产厂家

P0720SB

Thyristor Surge Suppressors

Shanghai Leiditech Electronic Technology Co., Ltd 

Thyristor Surge Suppressors

P0060~P3500SA_B_C Series

Figure 3.T est circuit 1 for Dynamic I BO and V BO parameters

100V/µ s, di /dt< 10 A/ µs, Ipp= XXXA

2

U

10 µF

45

66

470

83

0.36 nF

46 µH

KeyTek 'System 2' generatorw ithP N246I module

1k V/ µs, di /dt< 10 A/ µs, Ipp= 10 A

26 µH

250

47

U

60 µF

12

46 µH

KeyTek 'System 2' generatorw ithP N246I module

Figure 4. Test circuit 2 for I BO and V BO parameters

K

ton = 20ms

R1 = 140

220V 50Hz

R2 = 240

Vout

DUT

1/4

IBO

measurement

VBO

measurement

TEST PROCEDURE

Pulse test duration (tp = 20ms):

for Bidirectional devices = Switch K is closed

for Unidirectional devices = Switch K is open

VOUT selection:

Device with VB<O

Device with VBO

200VV

200VV

OUTR= 250V MS, R1 = 140

OUTR= 480V MS, R2 = 240

5

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