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然后瞬时断开A极再接通，指针应退回∞位置，则表明可控硅良好。对于1~6A双向可控硅，红笔接T1极，黑笔同时接T2极，在保证黑笔不脱离T2极的前提下断开G极，指针应指示为几十至一百多欧（视可控硅电流大小、厂家不同而异）。然后将两笔对调，重复上述步骤测一次，指针指示还要比上一次稍大十几至几十欧，则表明可控硅良好，且触发电压。若保持接通A极或T2极时断开G极，指针立即退回∞位置，则说明可控硅触发电流太大或损坏。
ERA3AEB302V
A2509AWR-02-F2MA-R
HD64F2328VF25V
PCM1802DBR
MCR01MZSJ335
AW8155AFCR
SMDMB6S
MCSH18B471K160CT
STM8S105S6T6C
ERJP06J473V
MECT-110-01-M-D-RA1-TR
PCA9544ABS,118
EMC5754-00VF056RR
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ERJ3EKF10ROV
MAX809L 5V
STMPS2262MTR
LTC3613EWKH
BTB连接器_IMSA-9850B-22Z05-TC
SDSDQ-4096
STM32F103RC/RET6
STM811LW16F
WF23-400-513C
NCP02XH103F05RH
PMEG6002EJ
LFA20-2A1E683MT
SKBPC7516
SMDMB6S
C0402X7R153K160NT
LQH31HNR21J03L
RC0402JRG071K
PFR05R-120-BNH
CB037D0224JBA
FMOH104Z
ST2000NX0263
RM06T1501F
BU97510CKV-ME2
DN-CL1130
APU7860C
BC856B-7-F
0402B103K160,V103K0402X7R160NBT+C0402X7R103K160NTB,GRM155R71C103KA01-(D/J),GRM155R71C103KA01D,C0402X7R103K160NTB,CC0402KRX7R7BB103,EMK105BJ103KV-F,0402B103K160NT,0402B103K160CT
STM32F103C8T6-R0
BC1623
MT48H16M32LFB5-6IT:C
A3979SLP-T
晶体管P0118DA
STM32F030K6T6
0603YC101K4T2A
上海黄浦区长期回收贴片IC