NPN Transistor Unit
Product Code : SCL-PLE-11792
Quick Answer: The NPN Transistor Unit is an NPN bipolar junction transistor mounted on an insulated polymer base with a schematic overlay and three 4 mm safety-shrouded sockets, for plotting transistor characteristics and current gain in common base, emitter and collector circuits.
Last updated: 18 October 2026
Key Features
- NPN bipolar junction transistor, electron-majority carriers.
- Three 4 mm safety-shrouded sockets for emitter, base and collector.
- Insulated polymer base with a clear schematic overlay.
- High-contrast silkscreened symbols for easy patching.
- Works in common base, common emitter and common collector circuits.
Technical Specifications
| Specification | Value |
|---|---|
| Transistor | NPN bipolar junction transistor |
| Terminals | Three 4 mm safety-shrouded sockets (E, B, C) |
| Mounting | Insulated polymer base, schematic overlay |
| Configurations | Common base, common emitter, common collector |
How It Is Used
Leads from DC supplies and meters are patched into the emitter, base and collector sockets following the printed symbol. Students vary the base current and collector voltage, record the collector current, and plot characteristics to find current gain and to observe switching and amplification.
Frequently Asked Questions
What sockets does the NPN Transistor Unit have?
Three 4 mm safety-shrouded sockets, one each for emitter, base and collector, marked on the schematic overlay.
Related Physics Lab Equipment
See the full physics lab equipment range, or these related transistor characteristics items:
- PNP Transistor Unit
- Transistor Characteristics Apparatus
- Digital Transistor Characteristics Apparatus
- Discrete Component Trainer
- IC Regulated Power Supply 30V 1A
For a quotation on the NPN Transistor Unit, contact JLab India on +91-8569909696.
