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Testing Transorbs:

Basically these are low current zener diodes.

If the part is good then it will read a normal diode drop voltage in the forward bias direction and should show normal zener diode knee curve in its reverse bias direction. This value can range from a few volts to several hundred volts with the steady state current usually only a few milliamps. Note that these parts can be high voltage devices. You will need the data sheet to verify steady state operation.

Running them in the steady state operation mode for any length of time isn't recommended typically.

Say you are protecting a 12 volt car electronics device... the transorb would probably be rated at 15 volts threshold or a little more so that testing it for actual performance would require removing it from circuit.

Transorbs can absorb a very high current spike only for a few microseconds such as a static discharge.

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14y ago

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Related Questions

Working of transorb?

Transorb acts as Zener diode.It clamps the high power to certain amount of power which is usrd for the circuit


How do you check if transorb is good or not?

To check if a transorb (transient voltage suppressor) is functioning properly, you can measure its clamping voltage and reverse leakage current using a multimeter. First, ensure the device is completely discharged and then test the breakdown voltage by applying a voltage until it conducts. A good transorb should clamp the voltage at its specified rating without showing significant leakage current. If it fails to clamp or shows excessive leakage, it may be defective and should be replaced.


What is a transorb?

A Transient Voltage Suppressor (Transorb) is a zener diode that is engineered for high power current switching. They function in a similar fashion to FETs but are capable of higher current and voltages than FETs. Some are "bidirectional" consisting of two zeners and allow current flow in two directions unlike a FET or Diode which allow current in one primary direction.


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