C1815 is a NPN transistor comes in TO-92 package. This article shares the Pinout, characteristics specifications and equivalent transistor information’s of C1815 Transistor. A quick and easy reference of the transistor.
C1815 Transistor Pinout

Pinout Configuration
| Pin Number | Pin Name |
|---|---|
| 1 | Emitter (E) |
| 2 | Collector (C) |
| 3 | Base (B) |
Hold the transistor flat surfacing facing you and the pins are pointing towards earth. Then count the pins from left to right as Emitter, Collector and base.
Emitter (E) – Collector (C) – Base (B)
Characteristics and Specifications
- NPN Transistor
- TO-92 Package
- Maximum Collector-Emitter Voltage is 50V
- Maximum Collector-Base Voltage is 60V
- Maximum Emitter-Base Voltage is 5V
- Maximum Collector Current is 150mA
- Power Dissipation is about 400mW
- DC Current Gain is 70 to 700
- Transition Frequency of transistor is 80MHz
- Operating Temperature is -55 to +150°C
Equivalent Transistor for Replacement
Commonly used equivalent transistors are BC547, BC548, 2N3904, 2N2222 and S8050. Keep in mind that pin configuration may change, so check the pinout configuration before replacing with the equivalent transistors.




