BC 337 / BC 338 are general purpose NPN silicon transistors in a TO-92 package.
This document is a technical datasheet for the NPN BC 337 and BC 338 series of general-purpose transistors. The devices are Si-Epitaxial Planar Transistors housed in a plastic TO-92 case with UL classification 94V-0.
The datasheet provides comprehensive electrical specifications including maximum ratings such as power dissipation (625 mW) and collector current (800 mA). It also lists detailed characteristics like DC current gain groups, breakdown voltages, and thermal resistance at an ambient temperature of 25°C.
| Power dissipation | 625 mW |
|---|---|
| Collector current (DC) | 800 mA |
| Junction temperature | 150°C |
| Storage temperature | -55...+. 150°C |
| Collector-Emitter voltage (BC 337) | 45 V |
| Case type | Plastic case TO-92 |
The standard pinning is 1=C, 2=B, and 3=E.
The maximum power dissipation is rated at 625 mW.
The maximum DC collector current is 800 mA for both the BC 337 and BC 338.
The thermal resistance from junction to ambient air is 200 KW.