1N5370B/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	56V
Tolerance:	±5%
Power - Max:	5W
Impedance (Max) (Zzt):	35 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 40.3V
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:	1N5370

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Application Field and Working Principle of 1N5370B/TR12The 1N5370B/TR12 is from the family of zener diodes. It is a single zener diode with a voltage rating of 12V and current rating of 6 mA. This diode is rated for high temperature operation and is the ultimate choice for applications requiring regulated 12V outputs.Zener diodes are two terminal electronic components that allow electrons to flow freely in one direction but restricts current flow in the opposite direction when the voltage is below a certain point called the zener voltage. A zener diode relies on the electrical breakdown that occurs when the zener voltage is exceeded and restricts the current flow by creating a depletion layer.When a voltage is applied across a zener diode, current flows through the diode until the zener voltage is reached. When the zener voltage is reached the diode will break down and allow a small current to flow through the diode. This current is known as the zener current.The 1N5370B/TR12 has a zener voltage of 12V. This means it will breakdown and conduct current when the applied voltage is 12V or above. As the zener voltage of the 1N5370B/TR12 is 12V, it is suitable for applications requiring a regulated 12V output, such as power supply regulation.When the 1N5370B/TR12 is used in a power supply regulation circuit, it will ensure that the output voltage remains constant, even if the input voltage fluctuates. This is achieved by the 1N5370B/TR12 restricting the current flow when the input voltage is too high, thus regulating the output voltage.The 1N5370B/TR12 is also suitable for voltage surge absorbtion applications. When the voltage surge exceeds the zener voltage of 12V, the 1N5370B/TR12 will conduct the excess voltage to ground, thus protecting the components from the surge.The 1N5370B/TR12 is rated for operation at high temperatures and can operate up to 200 degrees Celsius. This makes it ideal for applications where high temperatures are expected and makes it more reliable than other zener diodes.In conclusion, the 1N5370B/TR12 is a single zener diode with a voltage rating of 12V and current rating of 6 mA. It is suitable for applications requiring a regulated 12V output and for surge absorbtion. It is also rated for high temperatures and can operate up to 200 degrees Celsius.

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