Transistor Characteristics Apparatus (Socket Type)
Product Code : SCL-EI-12142
Quick Answer: The Transistor Characteristics Apparatus (Socket Type) is used to study NPN and PNP transistors in common base and common emitter modes. It has two regulated DC supplies, 0–1V for base-emitter and 0–10V for collector-emitter, and four meters.
Last updated: October 2026
Key Features
Tests NPN and PNP transistors in CE and CB modes Socket for plugging in the transistor Regulated supplies: 0–1V (base-emitter) and 0–10V (collector-emitter) Four meters for input and output voltage and current Powder-coated mild steel sheet enclosure 230V AC ±10% input with fuse-protected primary Technical Specifications
Specification Value Configurations NPN and PNP, CE and CB Supplies 0–1V (base-emitter), 0–10V (collector-emitter), IC-stabilised Meters Four, for input/output voltage and current Enclosure MS sheet metal, powder-coated Input 230V AC ±10%, 50Hz, fuse-protected Terminals 4mm shrouded sockets with colour-coded patch cords
About This Product
Students set the base-emitter and collector-emitter voltages and read the four meters to plot input, output and transfer curves. From these they find current gain and other transistor parameters and draw load lines in electronics practicals.
Frequently Asked Questions
Can both NPN and PNP transistors be tested?
Yes. NPN and PNP transistors can be studied in common base and common emitter modes.
Related: Electronic Instruments , Transistor Characteristics Apparatus , Digital Transistor Characteristics Apparatus and PN Junction Diode Characteristics Apparatus – Socket Type .
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