1N5357/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	20V
Tolerance:	±20%
Power - Max:	5W
Impedance (Max) (Zzt):	3 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 14.4V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 1A
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	T-18, Axial
Supplier Device Package:	T-18
Base Part Number:	1N5357

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1N5357/TR8 Application Field and Working Principle

A 1N5357/TR8 is a single zener diode that is most commonly used in voltage regulation and basic switching devices. The diode is often used to regulate the output of a power supply and to protect the connected circuit from sudden voltage fluctuations. The 1N5357/TR8 is composed of a single p-n junction and is capable of providing a predictable voltage as output regardless of input fluctuations in current. The device also features high reverse-breakdown voltage, low leakage current and low thermal resistance for added protection.

A 1N5357/TR8 is widely used in various electronic applications such as switch mode power supplies, voltage regulators, protector circuits, and application-specific devices that require voltage reference levels. Additionally, the 1N5357/TR8 is often used in military, industrial, automotive, and aerospace applications due to its superior performance under conditions of high temperature and humidity.

1N5357/TR8 Working Principle

When current is applied to the 1N5357/TR8’s anode, it creates a potential barrier within the p-n junction due to the depletion region within the diode. This allows the diode to maintain a predictable voltage within its output regardless of input fluctuations. The diode maintains the output based on its breakdown voltage, which is typically lower than the breakdown voltage of most other diodes. The 1N5357/TR8 is typically capable of continuous current ratings up to 500 mA and operating temperature ranges of up to 175°C.

The 1N5357/TR8 also features a high reverse-breakdown voltage and low leakage current, both of which are important characteristics for applications requiring reliable regulated output. The high reverse-breakdown voltage of the diode allows it to protect connected circuits from voltage fluctuations. Additionally, the low leakage current present means that the device will not draw excess current from the circuit, thus preventing unnecessary heating and damage.

Finally, the 1N5357/TR8 has a low thermal resistance which allows it to dissipate the excess heat produced during operation. This provides added protection to the circuit by preventing it from being damaged due to overheating. Together, these features make the 1N5357/TR8 one of the most versatile and reliable diodes for voltage regulation applications.

In conclusion, the 1N5357/TR8 is an ideal diode for applications requiring reliable voltage regulation as it features high reverse-breakdown voltage, low leakage current, and low thermal resistance. Additionally, it is capable of continuous current ratings up to 500 mA and operating temperature ranges up to 175°C. This makes the 1N5357/TR8 one of the most reliable and versatile diodes on the market.

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