Question

How do you read a transistor?

Answer 1

1. The first value indicates the number of leads minus one, so for a bipolar transistor, it will be 2.
2. The initial letter will be an S, which stands for semiconductor.
3. The second letter denotes the type of transistor, such as A for a high-frequency PNP transistor and C for a high-frequency NPN transistor.

Therefore,

1. Transistors are three-terminated semiconductor devices. One of the most frequent transistor topologies is the CE or common emitter connection. The ground side of the power source is linked to the emitter in this case.
2. Reading the collector-emitter and collector-base circuit forward and reverse resistances
3. The resistance between the emitter and the collector should be measured.
4. Place the multimeter on the resistance to do this.
5. Replace the probes and measure the resistance once more. The resistance should be measured in megaohms in either direction. If it doesn't read, it suggests the transistor is broken.
6. Rep the previous stages for the collector-base circuit.

Hence, this is the way to read a transistor.