PTV18B-M3/85A

Series:	eSMP®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	19.2V
Tolerance:	±6%
Power - Max:	600mW
Impedance (Max) (Zzt):	12 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 13V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	150°C
Mounting Type:	Surface Mount
Package / Case:	DO-220AA
Supplier Device Package:	DO-220AA (SMP)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The PTV18B-M3/85A diode is a single Zener diode, commonly used in electronics. Zener diodes are characterized by their ability to operate normally in one direction and then, when a certain reverse voltage is applied, operate in reverse and reduce the voltage. The higher the reverse voltage, the lower the resulting voltage across the diode.The PTV18B-M3/85A diode is specially designed to operate at higher voltages than traditional Zener diodes. Specifically, the PTV18B-M3/85A diode can operate with a reverse voltage of up to 85 volts. The positive side of the diode is connected to the positive side of the external battery source, and the resulting voltage drop across the diode is adjustable by changing the external battery source.The typical application of the PTV18B-M3/85A diode is in voltage regulation. It can be used in circuits that require a constant voltage in order to function, such as in computer power supplies, audio amplifiers, and power supplies for electronic instruments. The PTV18B-M3/85A diode can be used to maintain a constant voltage, regardless of the input voltage.The PTV18B-M3/85A diode is also well-suited for use in LED flashers. LED flashers require a constant current of approximately 10mA in order to flash correctly, and the PTV18B-M3/85A diode is well-suited to maintain this steady current. The diode also helps minimize fluctuations in the LED current when the battery voltage decreases or increases.In addition, PTV18B-M3/85A diodes can be used in other applications, such as in clamping circuits and high-voltage power supplies. Clamping circuits are most often used in audio amplifiers to protect speakers from noisy signals, and PTV18B-M3/85A diodes can be used to provide this protection. High-voltage power supplies require a low-loss method of rectifying AC current and the PTV18B-M3/85A diode is capable of providing this service.The PTV18B-M3/85A diode is made of a silicon substrate and has several individual connections such as an anode, a cathode, and a Zener contact. On a general level, the Zener contact is connected to the cathode and the anode is connected to the external battery source. When the external battery source is connected to the PTV18B-M3/85A diode, the diode works in reverse and reduces the voltage across it. This results in a constant voltage at the output end of the PTV18B-M3/85A diode.The most important advantage of using the PTV18B-M3/85A diode is its high efficiency. The diode has a low forward voltage drop and a very low leakage current. This ensures minimal energy is lost when the diode is in operation. Additionally, the PTV18B-M3/85A diode has an extremely low temperature coefficient – meaning the drop in the output voltage is negligible over a wide range of temperatures.The PTV18B-M3/85A diode is a reliable, high-performance diode suitable for a wide range of applications. Its high efficiency makes it particularly suitable for voltage regulation and LED flashers, and its low temperature coefficient makes it suitable for use in high-voltage power supplies. Despite its small size, the PTV18B-M3/85A diode packs a powerful punch in the field of electronics.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description