YZPST-KS500A-1600V
YZPST-KS500A-1600V
  • YZPST-KS500A-1600V.pdf YZPST-KS500A-1600V.pdf
  • YANGZHOU POSITIONING TECH CO  Power  thyristor and diode parts 20200518.pdf YANGZHOU POSITIONING TECH CO Power thyristor and diode parts 20200518.pdf
  • DESCRIPTION
http://www.youtube.com/channel/UCZ3mV8GmGNcX4WcYEoWX-_g/featured


Features


Center amplifying gate configuration
Compression bonded encapsulation
High dV/dt Capability
Stud type, thread inch or metric


Typical Applications


Medium power switching
DC power supplies
Maximum Ratings And Characteristics

Symbol

Parameter

Values

Units

Test Conditions

ON-STATE




ITAV

Mean on-state current

-

A

Sinewave,180° conduction,Tc=125℃

ITRMS

RMS value of on-state current

500

A

Nominal value

ITSM


Peak one cycle surge
(non repetitive) current


4200

A


10.0 msec (50Hz), sinusoidal wave-
shape, 180o conduction, Tj = 125 oC


I2t

I square t

245

kA2s

8.3 msec and 10.0 msec

IL

Latching current(Ⅰ-Ⅱ-Ⅲ-Ⅳ)

-

mA

I G = 1.2 I GT

IH

Holding current

-

mA

I T = 500 mA

VTM

Peak on-state voltage

2.4

V

ITM =750A; Duty cycle £ 0.01%

di/dt


Critical rate of rise
of on-state current


non-repetitive


A/ms


Tj =100 oC V D= 1/2VDRM, ITM=(2x ITAV) A
Gate pulse:tw≥20μs, tr≤0.5μs fG=50Hz
IGM≥5 IGT


repetitive

50

BLOCKING





VDRM
VRRM



Repetitive peak off state voltage
Repetitive peak reverse voltage


1600

V



VDSM
VRSM



Non repetitive peak off state voltage
Non repetitive peak reverse voltage


1700

V



IDRM
IRRM


Repetitive peak off state current Repetitive peak reverse  current

25

mA

Tj = 125 oC ,VRRM VDRM applied

dV/dt

Critical rate of voltage rise

500

V/ms

Tj = 125 oC VD =0.67 VDRM Gate open

TRIGGEING




PG(AV)

Average gate power dissipation

-

W


PGM

Peak gate power dissipation

-

W


IGM

Peak gate current

-

A


IGT

Gate trigger current(Ⅰ-Ⅱ-Ⅲ-Ⅳ)

300

mA

TC = 25 oC

VGT

Gate trigger voltage(Ⅰ-Ⅱ-Ⅲ-Ⅳ)

3.0

V

TC = 25 oC

VGD

Gate non-trigger voltage

-

V

Tj = 125 oC

SWITCHING




tq

Turn-off time

-

ms


Qrr

Reverse recovery charge

-



Thermal And Mechanical

Symbol

Parameter

Values

Units

Test Conditions

Tj

Operating temperature

-40~125

oC


Tstg

Storage temperature

-40~125

oC


R th (j-c)

Thermal resistance - junction to case

0.043

oC/W

DC operation ,Single sided cooled

R th (c-s)

Thermal resistance - case to sink

-

oC/W

Single sided cooled

P

Mounting force

5.3 ~ 10

kN


W

Weight

-

g


OUTLINE

Sym

A

B

C

D

H

mm

59

34

53

3.5×3

26±1

YZPST can provide Following Equivalent List of SCR  and triac.

2P4M

BT2588

Q6006

SCF6C60

TS820

2P6M

BY169

Q8006

S6012

TS420

25TTS16

BT169

Q6008

S8012

TYN612

40TPS16

BT151S

Q8008

S8016

TYN616

70TPS16

BT148W

Q6010

SCF25C60

TYN816

BT148S

Q8010

S6025

TYN620

CR08AS

BT151

Q6016

S8025

TYN820

C106

BT152

Q8016

SK025

TYN1025

CS30

BTW69

Q6025

S6035

TYN1225

CS45

BT131

Q8025

S8035

TYN630

CS60-16i01

BT134

QK025

SK035

TYN830

BT136

Q6040

S6040

TYN640

MCR100-6

BCR2PM

Q8040

S8040

TYN840

MCR100-8

BTA01

QK040

S6055

T405

MCR706

BTB04

S8055

T410

MCR72-6/8

BTA06

SK055

T435

MCR22

BTB06

STN1A60

T805

MAC97A6

BTA08

STN1A80

T810

MAC97A8

BTB08

STF4A60

T835

BT137

STF6A60

TMG8C60

FS0102MA

BTA10

STF08

TMF12C60

BTB10

STF12A60

T1235

X0405

BTA16

TMG16C60

X0805

BTB16

TIC246

X0205

BT139

T1620

BTA216

T1635

Z00607

BTA20

TMG20C60

Z0103

BTB20

T2535

Z0107

BTA24

TMG25CQ60

Z0405

BTB24

Z0409

BTA140

BTA26

BTB26

BTA41

BTB41

TN1215-600H

T835-600G

T1235H6G

Z00607MN

TN1215T-600B

T810T-61

T1250H6G

Z00607MA

TN1215-600B

T835T-61

T1235H6I

Z0103MN

TYN612MFP

T830-600W

T1250H6I

Z0107MN

TN1215-800H

TXDV608

T1235H6T

Z0109MN

TN1215-800B

T810-800H

T1250H6T

Z0103MA

TYN812

T835-800H

T1235T-8T

Z0107MA

TYN610

T810-800B

T1235T-8FP

Z0109MA

TYN810

T835-800B

T1635H6G

Z0405MF

TYN612T

T810-800G

T1650H6G

Z0409MF

TYN612M

T835-800G

T1635H6I

Z0410MF

TN1215-600G

T830-800W

T1650H6I

Z0405NF

TN1215-800G

T830-8FP

T1635H6T

Z0409NF

TN1625-600G

TXDV808

T1650H6T

Z0410NF

TN1625-800G

T1210-600G

T1625T-8I

TN2540-600G

T1235-600G

T1635T-8I

ACS102-6TA

TXN625

T1250-600G

T1635T-8T

ACS108-6SN

TYN625

T1210T-6I

T1635T-8FP

ACS110-7SN

TN2540-800G

T1235T-6I

T2035H6G

ACS108-6SA

TXN825

TXDC612

T2050H6G

ACST210-8B

TYN825

T1210-800G

T2035H6I

ACST210-8FP

TYN1225

T1235-800G

T2050H6I

ACST410-8B

TYN640

T1250-800G

T2035H6T

ACST310-8B

TYN840

T1610-600G

T2050H6T

ACST435-8B

T405-600H

T1635-600G

T3035H6I

ACST410-8FP

T410-600H

T1610T-6I

T3050H6I

ACST310-8FP

T435-600H

T1635T-6I

T3035H6T

ACST435-8FP

T405-600B

T1620-600W

T3050H6T

ACST830-8T

T410-600B

T1630-600W

ACST830-8FP

T435-600B

T1610-800G

TYN16-600CT

ACST1010-7T

T405-600T

T1635-800G

TYN16-600RT

ACST1035-7T

T410-600T

T1620-800W

TYN16X-600CT

ACST1010-7FP

T435-600T

T1630-800W

TYN16X-600RT

ACST1035-7FP

T405-600W

T2535-600G

TYN16-800RT

ACST1210-7T

T410-600W

T2535-800G

TYN16X-800RT

ACST1235-7T

T435-600W

T2550-12G

TYN20X-T

ACST163S-8FP

T435T-600FP

T2550-12T

T405-800H

T405Q-600H

MAC97A6

ACT108W-600D

T410-800H

T405Q-600B

MAC97A8

ACT108-600D

T435-800H

T635T-8T

MAC223A8X

ACT108W-600E

T405-800B

T635T-8FP

MAC223A6

ACTT2S-800E

T410-800B

T835H6G

ACTT2X-800E

T435-800B

T850H6G

ACTT4S-800E

T405-800T

T835H6T

ACTT4S-800C

T410-800T

T835H6I

ACTT8B-800C0

T435-800T

T850H6I

ACTT8-800C0

T405-800W

T835T-8T

ACTT8X-800C0

T410-800W

T850H6T

ACTT10-800C

T435-800W

T835T-8FP

ACTT10X-800C

T810-600H

ACTT12B-800C

T835-600H

ACTT12-800C

T810-600B

ACTT12X-800C

T835-600B

ACT108-600E

T810-600G

BT151U-650C

BTA204X-800E

BTA212-600B

BTA216-600BT

BT151U-500C

BTA204X-800C

BTA312-600B

BTA316-600B

BT151S-650R

BTA204X-800B

BTA212X-600D

BTA316-600B0

BT151S-500R

BTA206-800ET

BTA312X-600D

BTA216X-600E

BT151B-650R

BTA206-800CT

BTA212X-600E

BTA316X-600E

BT151-650R/L

BTA206X-800ET

BTA312X-600E

BTA216X-600F

BT151-500R/L

BTA206X-800CT

BTA212X-600F

BTA316X-600C

BT151-650C

BTA208S-600D

BTA312X-600C

BTA216X-600B

BT151X-500R

BTA208S-600E

BTA212X-600B

BTA316X-600B

BT151X-650R

BTA208S-600F

BTA312X-600B

BTA316B-800E

BT151U-800C

BTA208S-600B

BTA212B-800D

BTA316B-800C

BT151S-800R

BTA208B-1000C

BTA212B-800E

BTA216B-800B

BT151B-800R

BTA208-600D

BTA312B-800E

BTA316B-800B

BT151-800R

BTA208-600E

BTA212B-800F

BTA416Y-800C

BT151X-800R

BTA208-600F

BTA312B-800C

BTA416Y-800B

BT152-600R

BTA208-600B

BTA212B-800B

BTA316-800E

BT152-400R

BTA208X-600D

BTA312B-800B

BTA316-800C

BT152-500RT

BTA208X-600E

BTA312Y-800C

BTA216-800B

BT152X-600R

BTA208X-600F

BTA412Y-800B

BTA316-800B

BT152-800R

BTA208X-600B

BTA412Y-800C

BTA316X-800E

BT152X-800R

BTA208S-800E

BTA212-800D

BTA316X-800C

BT145-800R

BTA208S-800F

BTA212-800E

BTA216X-800B

BT155K-1200T

BTA208S-800B

BTA312-800E

BTA316X-800B

BTA204W-600D

BTA208-800D

BTA212-800F

BTA420Y-800CT

BTA204W-600E

BTA208-800E

BTA312-800C

BTA420Y-800BT

BTA204W-600C

BTA208-800C

BTA212-800B

BTA420-800CT

BTA204W-600B

BTA208-800B

BTA312-800B

BTA420-800BT

BTA204W-800D

BTA208X-800E

BTA212X-800D

BTA420X-800CT

BTA201W-800E

BTA208X-800C

BTA212X-800E

BTA420X-800BT

BTA201W-800C

BTA308X-800C

BTA312X-800E

BTA225B-600B

BTA201W-800B

BTA208X-800B

BTA212X-800F

BTA225-600B

BTA204S-600D

BTA308X-800B

BTA312X-800C

BTA225B-800B

BTA204S-600E

BTA212B-600D

BTA212X-800B

BTA425Y-800CT

BTA204S-600C

BTA312B-600D

BTA312X-800B

BTA425Y-800BT

BTA204S-600B

BTA212B-600E

BTA216B-600D

BTA225-800C

BTA204-600D

BTA312B-600E

BTA216B-600E

BTA225-800B

BTA204-600E

BTA212B-600F

BTA316B-600E

BTA425X-800BT

BTA204-600C

BTA312B-600C

BTA216B-600F

BT1308W-400D

BTA204-600B

BTA212B-600B

BTA316B-600C

BT1308W-600D

BTA204X-600D

BTA312B-600B

BTA216B-600B

BT131W-600

BTA204X-600E

BTA312Y-600C

BTA316B-600B

BT131W-600D

BTA204X-600C

BTA412Y-600C

BTA416Y-600C

BT134-600E

BTA204X-600B

BTA412Y-600B

BTA416Y600B

BT134-800D

BTA204S-800E

BTA212-600D

BTA216-600D

BT134-800E

BTA204S-800C

BTA312-600D

BTA316-600D

BT134-800

BTA204S-800B

BTA212-600E

BTA216-600E

BT136S-600D

BTA204-800E

BTA312-600E

BTA316-600E

BT136S-600E

BTA204-800C

BTA212-600F

BTA216-600F

BT136S-600F

BTA204-800B

BTA312-600C

BTA316-600C

BT136B-600E

BT234-600D

BTA08-600TW

BTA20-600CW

BTA16-600C

BT136-600D

BTA08-600SW

BTA20-600BW

BTA16-600B

BT234-600E

BTA08-600CW

BTB20-600CW

BTB16-600C

BT136-600E

BTA08-600BW

BTB20-600BW

BTB16-600B

BT136-600F

BTB08-600TW

BTA20-800CW

BTA16-800C

BT234X-600D

BTB08-600SW

BTA20-800BW

BTA16-800B

BT136X-600D

BTB08-600CW

BTB20-800CW

BTB16-800C

BT136X-600E

BTB08-600BW

BTB20-800BW

BTB16-800B

BT136X-600F

BTA08-800TW

BTA24-600CW

BTA24-600B

BT136S-800D

BTA08-800SW

BTA24-600BW

BTB24-600B

BT136S-800E

BTA08-800CW

BTB24-600CW

BTA24-800B

BT136B-800E

BTA08-800BW

BTB24-600BW

BTB24-800B

BT234-800D

BTB08-800TW

BTA24-800CW

BTA25-600B

BT136-800D

BTB08-800SW

BTA24-800BW

BTA25-800B

BT234-800E

BTB08-800CW

BTB24-800CW

BTA41-600B

BT136-800E

BTB08-800BW

BTB24-800BW

BTA40-600B

BT234X-800D

BTA12-600TW

BTA25-600CW

BTA41-800B

BT136X-800D

BTA12-600SW

BTA25-600BW

BTA40-800B

BT234X-800E

BTA12-600CW

BTA25-800CW

BT136X-800E

BTA12-600BW

BTA25-800BW

BT137S-600D

BT236X-600F

BTB12-600TW

BTA26-600CW

BT137S-600E

BT236X-600G

BTB12-600SW

BTA26-600BW

BT137S-600F

BT236X-800F

BTB12-600CW

BTA26-800CW

BT137-600E

BT236X-800G

BTB12-600BW

BTA26-800BW

BT137B-600E

BTW69-600

BTA12-800TW

BTB04-600SL

BT137B-600F

BTW67-600

BTA12-800SW

BTA06-600C

BT137-600D

BTW69-800

BTA12-800CW

BTA06-600B

BT137-600F

BTW67-800

BTA12-800BW

BTB06-600C

BT137X-600D

BTW69-1200

BTB12-800TW

BTB06-600B

BT137X-600E

BTW69-1200N

BTB12-800SW

BTA06-800C

BT137X-600F

BTW67-1200

BTB12-800CW

BTA06-800B

BT138B-600D

BTA06-600TW

BTB12-800BW

BTB06-800C

BT138B-600E

BTA06-600SW

BTA16-600TW

BTB06-800B

BT138B-600F

BTA06-600CW

BTA16-600SW

BTA08-600C

BT138Y-600E

BTA06T-600CW

BTA16-600CW

BTA08-600B

BT138-600D

BTA06-600BW

BTA16-600BW

BT808-600C

BT138-600E

BTB06-600TW

BTB16-600TW

BTB08-600B

BT138-600F

BTB06-600SW

BTB16-600SW

BTA08-800C

BT138X-600D

BTB06-600CW

BTB16-600CW

BTA08-800B

BT138X-600E

BTB06-600BW

BTB16-600BW

BTB08-800C

BT138X-600F

BTA06-800TW

BTA16-800TW

BTB08-800B

BT138-800D

BTA06-800SW

BTA16-800SW

BTA12-600C

BT138-800E

BTA06-800CW

BTA16-800CW

BTA12-600B

BT138-800F

BTA06-800BW

BTA16-800BW

BTB12-600C

BT138B-800E

BTB06-800TW

BTB16-800TW

BTB12-600B

BT138B-800

BTB06-800SW

BTB16-800SW

BTA12-800C

BT138Y-800E

BTB06-800CW

BTB16-800CW

BTA12-800B

BT138-800

BTB06-800BW

BTB16-800BW

BTB12-800C

BT138X-800E

BTB12-800B

BT138X-800

BT138X-800F

BT139B-800

BTA410X-600CT

BTA412Y-800BT

BT139B-600D

BT139-800D

BTA410X-600BT

BTA412Y-800CT

BT139B-600E

BT139-800E

BTA410Y-800CT

BTA312-800CT

BT139B-600F

BT139-800

BTA410Y-800BT

BTA416Y-600CT

BT139-600D

BT139X-800D

BTA410-800CT

BTA416Y-600BT

BT139-600E

BTA140-600

BTA410-800BT

BTA316-600BT

BT139-600F

BTA140-600G0

BTA410X-800CT

BTA416Y-800CT

BT139X-600D

BTA140-800

BTA410X-800BT

BTA416Y-800BT

BT139X-600E

BTA410Y-600CT

BTA312B-600CT

BTA201-800ER

BT139X-600F

BTA410Y-600BT

BTA412Y-600BT

BTA208X-1000CO

BT139B-800D

BTA410-600CT

BTA412Y-600CT

BTA308X-1000CO

BT139B-800E

BTA410-600BT

BTA312-600CT

BTA216Y-800B

BT139B-800F

Typical Package type list

TO-92

TO-251(IPAK)

TO-252(DPAK)

TO-220

TO-220F

TO-P3

TO-247

TO-126(SOT-82)

TO-223

TO-202

SOT-23

SOT-89

TO-263(D2PAK)


YZPST can provide Following List of Triscs Which are Equivalent as  same as below brand one
TRIACS
CODIGO DISPOSITIVO ITRMS (A) IT AV (A) VD RMS (V) dv/dt (V/μS) TQ(μS) IG (mA) Entrada comp.nivel logico Quad ENCAPSULADO MARCA FIG.
MAC97A4 TRIAC 0.6 200 25 5 S1 4 TO-92 MOTOROLA A2
MAC97A6 TRIAC 0.6 400 25 5 S1 4 TO-92 MOTOROLA A2
FTO109MN TRIAC 1 600 50 10 S1 4 STO-223 FAGOR A1
Z0107MA TRIAC 1 600 20 5 S1 4 TO-92 STM A2
Z0109MA TRIAC 1 600 50 10 S1 4 TO-92 STM A2
Z0107NA TRIAC 1 800 20 5 S1 4 TO-92 STM A2
2N6342 TRIAC 4 200 5 2 100 NO 3 TO-220 MOTOROLA E
2N6073A TRIAC 4 400 5 5 60 S1 4 TO-126 S.ST./NJS D
BT134-500E TRIAC 4 500 50 10 NO 4 TO-126 PHILIPS D
BT136-500D TRIAC 4 500 50 10 S1 4 TO-220 PHILIPS E
BT136S-600 TRIAC 4 600 50 2 70 NO 4 TO-252(D-PAK) NXP F
2N6075B TRIAC 4 600 5 60 NO 4 TO-126 MOT./S.ST. D
BT134-600E TRIAC 4 600 50 10 NO 4 TO-126 PHILIPS D
BT136-600E TRIAC 4 600 50 10 NO 4 TO-220 PHILIPS E
BT136-800 TRIAC 4 800 50 10 NO 4 TO-220 PHILIPS E
TW6N400CZ TRIAC 6 400 20 50 NO 3 201.C3(M6) AEG T
SC141D TRIAC 6 400 50 50 NO 3 TO-220 G.E. E
SC141E TRIAC 6 500 50 50 NO 3 TO-220 G.E. E
BT136-600D TRIAC 6 800 50 2 10 S1 3 TO-220 PHILIPS E
TW6N600CZ TRIAC 6 600 20 50 NO 3 201.C3(M6) AEG T
BTA06-600B # TRIAC 6 600 500 50 NO 4 TO-220 STM E
BTB06-600C TRIAC 6 600 500 35 NO 4 TO-220 STM E
MAC3030-8 TRIAC 8 100 20 30 NO 4 TO-220 MOTOROLA E
MAC228A6 TRIAC 8 400 25 10 NO 4 TO-220 MOTOROLA E
Q4008L4 # TRIAC 8 400 20 25 NO 3 TO-220 TECCOR E
TIC226D TRIAC 8 400 500 50 NO 3 TO-220 TEXAS E
TW8N600UZ TRIAC 8 600 20 50 NO 3 201.C3(M6) AEG T
Q6008L4 # TRIAC 8 600 20 50 NO 3 TO-220 TECCOR E
BT137-600E TRIAC 8 600 50 10 NO 4 TO-220 PHILIPS E
BTB08-600 TRIAC 8 600 250 50 NO 4 TO-220 STM E
TIC226M TRIAC 8 600 500 50 NO 3 TO-220 TEXAS E
BTA08-600 # TRIAC 8 600 250 50 NO 4 TO-220 STM E
BT137-800E TRIAC 8 800 50 10 NO 4 TO-220 PHILIPS E
MAC218A10FP # TRIAC 8 800 100 30 NO 4 TO-220 MOTOROLA E
Q8008L5 # TRIAC 8 75 75 50 NO 3 TO-220 TECCOR E
CTBO8-1000C TRIAC 8 200 200 25 NO 3 T0-220 CRYDOM E
TW10N400CZ TRIAC 10 20 20 50 NO 3 201.C3(M6) AEG T
BTA10-600 # TRIAC 10 400 400 50 NO 4 TO-220 STM E
BT139-600E TRIAC 12 50 50 50 NO 3 TO-220 PHILIPS E
MAC212A8FP # TRIAC 12 100 100 50 NO 4 TO-220 MOTOROLA E
BT138-600E TRIAC 12 250 250 50 NO 3 T0-220 PHILIPS E
TIC236M TRIAC 12 400 400 50 NO 3 TO-220 POWER E
BTA12-600B # TRIAC 12 400 400 50 NO 3 TO-220 ST E
BTA12-700SW # TRIAC 12 40 50 50 NO 3 TO-220 ST E
BT138-800E TRIAC 12 50 50 10 NO 3 TO-220 PHILIPS E
BTB12-800CW TRIAC 12 500 500 35 NO 3 TO-220 STM E
BTA12-800B # TRIAC 12 400 400 50 NO 3 TO-220 STM E
Q6015A # TRIAC 15 25 25 50 NO 3 SWEDGE TO-3 TECCOR V
TIC246D TRIAC 16 400 400 50 NO 3 TO-220 TEXAS E
BTA16-600B # TRIAC 16 400 400 50 NO 3 T0-220 STM E
BTA16-600SW # TRIAC 16 40 40 10 NO 3 TO-220 STM E
BTB16-600BW TRIAC 16 400 400 35 NO 3 TO-220 STM E
MAC320A6FP # TRIAC 20 50 NO 3 TO-220 MOTOROLA E
KS20A-600 TRIAC 20 500 500 45 NO 3 TO-48 JEENDA G
BTA20-700BW # TRIAC 20 500 500 50 NO 3 TO-220 STM E
MAC223A6 TRIAC 25 300 300 50 NO 3 TO-220 MOTOROLA E
TIC263D TRIAC 25 450 450 50 NO 3 TO-3P TEXAS W
Q6025L6 # TRIAC 25 300 300 80 NO 3 T0-220 TECCOR E
BTA26-600B # TRIAC 25 500 500 50 NO 3 TO-3P STM W
TIC263M TRIAC 25 450 450 50 NO 3 TO-3P TEXAS W
BTA24-800BW # TRIAC 25 1000 1000 50 NO 3 TO-220 STM E
BTA26-800B # TRIAC 25 500 500 50 NO 3 TO-3P STM W
CTB24-1000B TRIAC 25 500 500 100 NO 3 TO-220 C3 SEMI E
CTA25-1000B # TRIAC 25 1000 1000 50 NO 3 TO-3P C3 SEMI W
Q6035P # TRIAC 35 75 75 100 NO 3 TO-3 FASTPAK TECCOR X
SC265D TRIAC 40 20 20 150 NO 3 TO-65 RCA H
T6420M # TRIAC 40 20 20 80 NO 3 1/4-28UNF-2 NJS Y
Q6040K7 # TRIAC 40 250 250 100 NO 3 TO-3P TECCOR W
BTA41-600 # TRIAC 40 250 250 50 NO 4 TO-3P STM W
S25RIA120 TRIAC 40 25 500 500 NO 3 TO-65 JEENDA H
KS50A-1200 TRIAC 50 500 500 150 NO 3 TO-65 JEENDA H
S50RIA120 TRIAC 80 50 500 500 NO 3 TO-65 JEENDA H
KS100A-1200 TRIAC 100 500 500 200 NO 3 TO-94 JEENDA K
For more information about triac please download the PDF file above named "YANGZHOU POSITIONING TECH CO  Power  thyristor and diode parts "
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