PN Junction Diode Characteristics Apparatus Manufacturer,Supplier and Exporter in India
Product Code : SCL-EI-12148
Quick Answer: The PN Junction Diode Characteristics Apparatus has two regulated variable DC supplies, 0-3V for forward bias and 0-30V for reverse bias, for plotting diode V-I curves. Its voltmeter reads 0-3V / 0-30V and its ammeter 0-1mA / 0-25mA.
Last updated: October 2026
Key Features
- Regulated 0-3V DC supply for forward bias
- Regulated 0-30V DC supply for reverse bias
- Dual-range analog voltmeter with mirror scale, 0-3V / 0-30V
- Dual-range ammeter, 0-1mA / 0-25mA
- On-board P-N junction diode
- 230V AC ±10%, 50Hz mains input; 4mm shrouded patch points
Technical Specifications
| Specification | Value |
|---|---|
| Power input | 230V AC ±10%, 50Hz |
| Forward bias supply | Regulated 0-3V DC, variable |
| Reverse bias supply | Regulated 0-30V DC, variable |
| Voltmeter | 0-3V / 0-30V DC, analog mirror scale |
| Ammeter | 0-1mA / 0-25mA DC |
| Terminals | 4mm shrouded banana patch points |
| Operating environment | 0°C to 50°C; 10% to 85% RH, non-condensing |
About This Product
Using the low-voltage supply, students trace how forward current rises sharply once the cut-in voltage is passed; the higher supply is then used to reverse-bias the diode and observe the small reverse current. The mirror-scale meter helps avoid parallax when taking readings.
Frequently Asked Questions
Why are there two power supplies?
A 0-3V supply is used for forward bias and a 0-30V supply for reverse bias.
Related: Electronic Instruments, PN Junction Diode Characteristics Apparatus – 2 Meter, PN Junction Diode Characteristics Apparatus – Socket Type and Digital PN Junction Diode Apparatus.
For a quotation on the PN Junction Diode Characteristics Apparatus, contact Educational Instrument.
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