TZMC51-M-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	51V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	125 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 39V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AC, MINI-MELF, SOD-80
Supplier Device Package:	SOD-80 MiniMELF

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Diodes - Zener - Single

Zener diodes have a zener breakdown voltage, making them ideal for applications requiring a constant, stable voltage. A single zener diode, like the TZMC51-M-18, is a diode that looks very much like a regular diode. However, it has an additional region of heavily doped material near the anode that allows it to operate in the reverse breakdown region when it is exposed to a high enough reverse voltage.The TZMC51-M-18 is a single Zener diode in a glass package, featuring an anode lead and a cathode lead. It has an 18 Volt breakdown voltage and a reverse current of 150mA. The cathode lead is marked with a red line to indicate the diode’s cathode terminal. This diode is typically used in applications where a constant and stable voltage is required, such as establishing a reference voltage for regulating a circuit, reducing voltage fluctuations, noise suppression, and more.The working principle of a single Zener diode is based on the Zener Effect. This is an electrical phenomenon that occurs when the electric field created by the anode is high enough to cause electrons in P-type material to jump across to the N-type material. This breakdown of the electric field results in a high voltage drop across the diode. This drop is then maintained as long as the diode is exposed to a reverse voltage greater than its zener breakdown voltage.When used in a circuit, the TZMC51-M-18 will conduct in the reverse direction when the reverse voltage is below the zener breakdown voltage. Once the reverse voltage reaches the zener breakdown voltage (in this case 18 Volts), the diode will then start to conduct in both directions. This allows the diode to become a voltage stabilizer and a constant voltage source, preventing voltage fluctuations in the circuit.The TZMC51-M-18 can also be used in other ways, such as to block voltage in one direction or to protect circuits. In addition, these diodes can be used in combination with transistors or other components to create complex circuits. In summary, the TZMC51-M-18 is a Zener diode in a glass package, containing an 18 Volt breakdown voltage and 150mA reverse current. It is mainly used for applications requiring a constant and stable voltage, such as regulating a circuit, reducing voltage fluctuations, and noise suppression. Its working principle is based on the Zener Effect, in which electrons jump across to the N-type material when the electric field from the anode is high enough, causing a high voltage drop across the diode. These diodes can also be used for other purposes and can be used to create complex circuits by combining them with other components.

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