Hyderabad
08048036175
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General Lab Supplies by MNC CHEMICALS SURGICALS

PN Junction/Zener Diode/LED Characteristics Apparatus (Forward & Reverse V-I Characteristics)

INR 5544
In stockcod available
Phone Number

08048036175

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Email Address mnc.naveen@gmail.com

Mon-Thu: 10 AM - 2 PM • Fri: 3 PM - 7AM

Address Correspondence Address: Shop No. 20, 2nd Floor, Srirama Tower, Bogulkunta, Telangana

Hyderabad, India, 500001

Description

PN Junction, Zener Diode, and LED Characteristics apparatuses are specialized laboratory instruments used to study the electrical behavior and V-I (voltage-current) characteristics of three fundamental semiconductor devices. PN Junction Diode Characteristics The apparatus consists of a p-n junction diode, a regulated DC power supply, a voltmeter, and an ammeter. It allows investigation of both forward and reverse bias behavior: In forward bias, the diode conducts after crossing its threshold (typically 0.7V for silicon). In reverse bias, little current flows until breakdown. Students plot V-I curves that show exponential increase in forward current and very small reverse current until breakdown. Zener Diode Characteristics The Zener diode apparatus is similar, but focuses on reverse breakdown. In reverse bias, the Zener diode exhibits a sharp current rise at the breakdown (Zener voltage), maintaining this voltage almost constant and demonstrating its voltage regulation property. Used to study forward V-I characteristics and reverse breakdown (knee point) for application in voltage stabilization. LED Characteristics The LED apparatus consists of an LED, DC power supply, ammeter, voltmeter, and often variable series resistors. It allows plotting the LED’s V-I curve, showing negligible current until threshold voltage is reached, after which current flows and the LED emits light. Used to explore concepts of electroluminescence and device response to forward bias. These apparatuses provide practical understanding of semiconductor diodes’ behavior and applications, including rectification, voltage regulation, and optoelectronic signal emission.

Model No. N-EL036

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