Voltage clamping circuit with high power zener diode?
Apr 26, 2025 · No. A zener diode alone will not work. If the voltage exceeds the zener voltage, the zener diode will die a quick death followed by the gauge. You need to put a resistor ahead of …
LTSpice zener diode 3V model - All About Circuits
May 26, 2024 · If you don't want to edit the standard.dio file you can get a reasonable 3V zener model thus :- Place a diode symbol on your schematic. Click 'Pick new diode'. Click on an …
Identifying small, glass diodes? - All About Circuits
Jun 24, 2024 · Looking for advice on how to correctly identify those tiny, glass, red/black diodes. Like these: I have a couple small projects where I need a zener, I have several suspects but …
Transistor as a Zener Diode - All About Circuits
Aug 17, 2013 · Only in this connection NPN transistor work as a Zener diode. But the Zener voltage is not well defined. This voltage will be in range between 6V up to 9V. Depending on …
Zener diode maximum reverse current | All About Circuits
Your 1N4733A zener diode is 5.1V (plus or minus 5%) only when its current is the "test " current of 49mA and the zener diode is cooled somehow to 25 degrees C. Less current reduces its …
Voltage Reference vs Power supply voltage help - All About Circuits
Feb 15, 2025 · The Zener diode as a reference is like a seesaw at the balance point where voltage and current are in a stable configuration. If you try to draw current away from the …
is Zener diode-based voltage divider a good solution for gate …
Dec 22, 2024 · Hello, I have used a Zener diode-based voltage divider to create a negative bias for a gate driver supply but I noticed that the series resistor is getting...
simulate a noise source LTspice - All About Circuits
Dec 28, 2024 · Trying too different circuits producing noise, I get 0 Volts output running the circuits in LTspice. One circuit obtains noise from a Zener diode, and the other one from the …
Zener Max Current Iz - All About Circuits
Mar 14, 2021 · All zener diodes I have used (BZX79C series) have a "test" current (recommended current) of only 5mA. I do not use a huge high current zener diode to heat my home, instead I …
Protecting a BJT PNP from emitter-base reverse breakdown
Dec 31, 2024 · A diode from base to emitter will protect against excess reverse bias. The diode arrow direction would be opposite the direction of the base-emitter junction arrow.