Zener regulated Power Supplies in 2 meters (C.R.) Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12222
Indian Lab Suppliers supplies the Zener regulated Power Supplies in 2 meters (C.R.) (Product ID: 12222) as part of its electronics engineering lab equipment range. It is a self-contained board for the standard Zener diode regulator and three variations built from the same supply.
Quick Answer
Experiments cover the standard Zener regulator, two Zener diodes in series for a higher output, a dual-polarity supply using two Zener diodes, and a Zener regulator with a series-pass NPN transistor to raise output current. A built-in ±12.5 V DC (±10%), 50 mA unregulated supply feeds the circuits. Readings are taken on a 0–15 V DC voltmeter and a 0–50 mA DC milliammeter, and three Zener diodes and an NPN transistor are fitted, so no other apparatus is needed.
Key Specifications
| Parameter | Detail |
|---|---|
| Input supply | ±12.5 V DC ±10% at 50 mA, unregulated |
| DC voltmeter | 65 mm dial, 0–15 V |
| DC milliammeter | 65 mm dial, 0–50 mA |
| Components | 3 Zener diodes, NPN transistor |
| Circuits | Standard, series Zeners, dual polarity, series-pass transistor |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch, fuse, jewel light |
Where This Is Used
Used in basic power-supply practicals before transistor regulators on Transistor Series & Shunt Voltage Regulated Power Supplies in 2 meters (C.R.) (Product ID: 12221). See also Study of Voltage and Current Regulated Power Supplies (C.R.) (Product ID: 12219). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How many Zener diodes are fitted?
Three.
Can a dual-polarity output be built?
Yes, using two Zener diodes on the ±12.5 V supply.
How is output current increased?
With a series-pass NPN transistor.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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