Digital Zener Diode Apparatus
Product Code : SCL-EAE-11328
Quick answer: The Digital Zener Diode Apparatus lets students study a Zener diode in forward and reverse bias with digital indication of voltage and current, then plot its V-I curve, find the approximate breakdown voltage and see basic shunt regulation. Numerical readouts make readings quicker to take and record. Lab Exports manufactures it in Delhi for schools, colleges and universities.
Specifications
| Parameter | Detail |
|---|---|
| Device studied | Zener diode |
| Equipment category | Digital semiconductor characteristics apparatus |
| Measurement format | Digital indication |
| Primary experiments | Forward characteristics, reverse breakdown and basic voltage regulation |
| Brand | Lab Exports |
How the digital Zener diode experiment is done
Under forward bias a Zener diode behaves like any silicon junction diode. Its special behaviour appears in reverse bias: the current stays very small until the reverse voltage reaches the breakdown region, after which the current climbs rapidly for almost no further increase in voltage. The voltage at which this happens is the Zener voltage.
The digital indication gives direct numerical values, so students spend less time interpreting analog scales and more on building an accurate table of readings, especially near the knee of the reverse curve where small voltage changes matter.
- Identify the anode, cathode and measurement terminals of the Zener diode.
- Set the supply to zero, connect for forward bias and raise the voltage in small steps, noting both digital readings.
- Reconnect for reverse bias and repeat, taking closely spaced readings as the current starts to rise.
- Stop raising the supply once the current reaches the safe limit set by the limiting resistance.
- Plot current against voltage for both polarities and read off the breakdown voltage.
For the regulation part, students vary the input and watch the voltage across the diode stay nearly constant after breakdown, which shows the principle of the shunt regulator used in power supplies.
Key features
- Direct numerical indication of voltage and current observations
- Forward-bias experiment shows conduction in forward polarity
- Reverse-breakdown study identifies the Zener region safely
- Systematic recording supports V-I curve plotting and graphical analysis
- Introduces the Zener diode as a basic shunt regulator
- Circuit layout relates diode polarity, limiting resistance and measuring points
Documentation and supply
Most Lab Exports products carry a one-year manufacturer warranty.
Lab Exports manufactures the Digital Zener Diode Apparatus at its works in Laxmi Nagar, Delhi, and supplies it to schools, colleges and universities in India and 60+ countries, handling the export documents for each shipment. More about the company is on the About Lab Exports page.
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The full range is in the Electrical and Electronics section of the Physics Lab range.
Frequently asked questions
What is the advantage of the digital Zener diode apparatus?
Digital indication gives direct numerical readings of voltage and current, which makes closely spaced readings near breakdown easier to take and record.
How is the Zener voltage found from the graph?
It is read from the reverse characteristic as the voltage at which the reverse current begins to rise steeply while the voltage stays almost constant.
What is the price of the Digital Zener Diode Apparatus?
Prices are not published on the website. Add the Digital Zener Diode Apparatus to the Enquiry Cart with the Add To Cart button on this page, or email [email protected] with the house code SCL-EAE-11328 and the quantity, to receive a quotation.
Does Lab Exports manufacture the Digital Zener Diode Apparatus?
Yes. Lab Exports manufactures the Digital Zener Diode Apparatus at its works at 11/315, Lalita Park, Laxmi Nagar, Delhi 110092, under house code SCL-EAE-11328.
Request a quote
Email [email protected] with the house code SCL-EAE-11328 and the quantity, or add the Digital Zener Diode Apparatus to the Enquiry Cart with the Add To Cart button on this page. Tender buyers can also see the Tenders and OEM page.
