BZG05C91TR3

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Voltage - Zener (Nom) (Vz):	91V
Tolerance:	--
Power - Max:	1.25W
Impedance (Max) (Zzt):	3000 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 68V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC

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Diodes - Zener - Single

The BZG05C91TR3 is one type of diode within the “Zener - Single” classification. This device is often used in power regulation and control applications in which a certain amount of voltage or current is necessary for a system to remain stable.The underlying principle of operation of the BZG05C91TR3 is the Zener effect. The Zener effect is a phenomenon named after physicist Viennese physicist, Clarence Zener, who first observed it in 1928. Essentially, in a Zener diode, when the Zener voltage (also known as the breakdown voltage) is reached, the breakdown of electrons occurs. This causes an abrupt change in the electrical properties of the device, allowing it to facilitate conduction in the reverse direction - thus regulating the voltage.The BZG05C91TR3 makes use of this principle to regulate a designated amount of current. It has a maximum Zener Voltage of 5.1 V and a maximum DC power dissipation of 500 mW. The maximum reverse current in which the device operates is between 5 and 100 μA.Moreover, the manufacturer’s datasheet specifies a maximum clamping voltage of 6.00 V and a total capacitance of 43.0 pF. The peak forward surge power at tp = 1 μs is specified at 50 W, with a maximum repetitive peak reverse voltage of 6.5 V and a maximum peak forward current of 5.0 AIn summary, the BZG05C91TR3 is a single Zener diode that is used to regulate voltage and/or current in power control applications. Its Zener breakdown occurs at a specified voltage compared to its reverse bias, providing the necessary signal regulation. Other specifications like maximum voltage and current, total capacitance and peak power are also indicated by its manufacturer in the device’s datasheet.

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