PLZ27B-G3/H

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	25.62V
Tolerance:	±3%
Power - Max:	500mW
Impedance (Max) (Zzt):	45 Ohms
Current - Reverse Leakage @ Vr:	200nA @ 21V
Voltage - Forward (Vf) (Max) @ If:	800mV @ 10mA
Operating Temperature:	150°C
Mounting Type:	Surface Mount
Package / Case:	DO-219AC
Supplier Device Package:	DO-219AC (microSMF)

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Introduction

The PLZ27B-G3/H is a single Zener diode which provides excellent performance characteristics for various applications. This diode has a reverse breakdown voltage of 27 V with a maximum zener impedance of 1.6 W at IZT (Test Current). It also has a maximum operating temperature of 150°C and peak pulse power of 150 W.

Application Field

The PLZ27B-G3/H is suitable for a variety of applications, such as in voltage regulation circuits and clamping circuits. It can also be used in LED circuits, overvoltage protection circuits, and other high-voltage applications. This diode is suitable for use in both linear and switching power supplies due to its low reverse leakage current and low-noise characteristics.

Working Principle

The PLZ27B-G3/H is a Zener diode, which is a specialized diode with a reverse voltage below its normal operating voltage. The diode works by limiting the reverse current when the reverse voltage exceeds its breakdown voltage. The diode is able to work reliably at high temperatures due to its low thermal resistance. When the PLZ27B-G3/H is connected in a circuit, the current in the circuit flows from anode to cathode as long as the forward voltage does not exceed the Zener voltage. When the forward voltage exceeds the Zener voltage, the diode\'s reverse current increases and limits the rise of the voltage across the load. This prevents the voltage across the load from exceeding the breakdown voltage of the diode.

Conclusion

The PLZ27B-G3/H is an excellent and reliable single Zener diode that can be used in a variety of high-voltage applications. It has excellent thermal and low-noise characteristics and is suitable for both linear and switching power supplies. The diode provides excellent performance characteristics, such as a reverse breakdown voltage of 27 V and a maximum zener impedance of 1.6 W at IZT (test current).

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