Study of SCR (Buzzer & Switch) Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12126
Indian Lab Suppliers supplies the Study of SCR (Buzzer & Switch) (Product ID: 12126) as part of its electronics engineering lab equipment range. It is a board for studying the SCR as a latching switch and in make-to-operate, break-to-operate and tamper-proof buzzer alarms.
Quick Answer
Once its gate is triggered, an SCR in a DC circuit stays on until the anode current is interrupted, which is why a momentary push-button can latch an alarm. Using three SCRs, four push buttons, three 1N4007 diodes, a buzzer and a load resistor, students study the SCR as a switch and as a buzzer driver, then build make-to-operate, break-to-operate and tamper-proof burglar buzzer circuits. A 12 V IC-regulated DC supply is built in, and a dual-trace CRO is needed for waveforms. It runs on 230 V ±10%, 50 Hz.
Key Specifications
| Parameter | Detail |
|---|---|
| Devices | 3 SCRs, 3 x 1N4007 diodes |
| Controls | 4 push buttons |
| Output | Buzzer, load resistor |
| DC supply | 12 V, IC regulated |
| Mains | 230 V ±10%, 50 Hz |
| Size / weight | 340 x 125 x 210 mm; about 1.4 kg |
| Also required | Dual-trace CRO |
Where This Is Used
Used in power electronics and basic electronics labs as an introduction to thyristors; the Power Electronics Trainer (Product ID: 12082) covers wider SCR, TRIAC and DIAC circuits and the Regulated Power Supply using Zener Diode and S.C.R. Voltage Regulator (Product ID: 12127) uses an SCR in a regulator. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
Why does the buzzer keep sounding after the button is released?
The SCR latches on until its anode current is interrupted.
How many SCRs are on the board?
Three.
What alarm circuits are built?
Make-to-operate, break-to-operate and tamper-proof burglar buzzers.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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