Silicon Controlled Rectifier Characteristics with power supply and 2 meters Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12169
Indian Lab Suppliers supplies the Silicon Controlled Rectifier Characteristics with power supply and 2 meters (Product ID: 12169) as part of its electronics engineering lab equipment range. It is a board for studying the DC gate firing, anode and phase-firing characteristics of a silicon controlled rectifier (SCR).
Quick Answer
The SCR is fed from a 0–50 V DC, 50 mA variable anode supply or a variable 0–10 V AC, 50 Hz supply for phase firing, and a 0–3 V DC, 50 mA supply drives the gate through fixed limiting resistors. A 3½-digit DC voltmeter (20 V / 200 V) and a 3½-digit DC current meter (0–200 mA) are built in. Students plot the gate-control (firing) and anode current characteristics, measure the holding current below which the SCR turns off, and plot phase-firing curves using a VTVM and 20 MHz oscilloscope.
Key Specifications
| Parameter | Detail |
|---|---|
| Device | Silicon controlled rectifier |
| Anode supply | 0–50 V DC, 50 mA, variable; 0–10 V AC, 50 Hz, variable |
| Gate supply | 0–3 V DC, 50 mA, variable |
| Voltmeter | Digital DC, 3½ digit, 20 V / 200 V |
| Current meter | Digital DC, 3½ digit, 0–200 mA |
| Experiments | Gate firing characteristics, anode characteristics, holding current, phase firing |
| Mains input | 230 V ±10%, 50 Hz AC, with mains switch, fuse and pilot lamp |
| Connections | 4 mm patch cords, 50 cm |
| Also required | VTVM, 20 MHz CRO |
Where This Is Used
Used in power electronics labs with the Triac Characteristics with power supply and 3 dual range meters (Product ID: 12178) and the Diac Characteristics with power supply and 2 meters (Product ID: 12179). The unit is mains powered; switch off before changing connections. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
What is holding current?
The minimum anode current that keeps the SCR conducting once it has fired.
Can phase control be studied?
Yes, using the variable 0–10 V AC anode supply.
Which meters are built in?
A digital DC voltmeter and a digital DC current meter.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Electricity and Magnetism
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