Specifications

AN93
164 Rev. 0.9
Table 104. Voltage across Components with Diode Checker
Component Voltage
Q1, Q3, Q4, Q5
Base to Emitter
Base to Collector
Verifies transistors are NPN
0.6 V
0.6 V
Q2
Emitter to Base
Collector to Base
Verifies transistor is PNP
0.6 V
0.6 V
Q2 collector to Si3018/10 pin 1
If test fails, Z1 is reversed
>1 V