1N5253B-TR Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	25V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	35 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 19V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35
Base Part Number:	1N5253

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1N5253B-TR Application Field and Working Principles

The 1N5253B-TR from Diodes Incorporated is a 500mW 2.4V Zener diode. It uses stress-grade metallurgy to ensure Zener operations even under temperature as low as -30°C. What’s more, its low leakage current and high voltage stability makes it suitable for many different applications and environments.

Applications of 1N5253B-TR

1N5253B-TR is a specially designed Zener diode for voltage regulation and EMI/RFI filtering. It has a wide range of applications, including but not limited to:

• As an overvoltage protection device in high voltage power supplies.
• As an EMI/RFI filter in radio and TV receivers.
• As a circuit-protection device in automotive and industrial applications, such as cell phones, DVD players, and hard drives.
• In surge protection and pulse shapers.
• In logic-level clamping applications.
• As a clipper in audio/speaker systems.

Working Principles of 1N5253B-TR

1N5253B-TR is a Zener diode, which is operated in the reverse breakdown region. When the voltage across the diode exceeds a certain value, the diode undergoes breakdown and the current starts to flow through it. As a result, it begins to act as a protection device and prevents the voltage from rising higher.The breakdown voltage of 1N5253B-TR is 2.4V. This means that, in normal conditions, the voltage across the diode will remain at 2.4V. However, if there is a high voltage spike, the current increases and the voltage remains within the breakdown voltage of the diode. This ensures that the actual voltage is maintained at the breakdown voltage level.

Conclusion

1N5253B-TR is a 500mW, 2.4V Zener diode manufactured by Diodes Incorporated. It has a wide range of applications due to its low leakage current and high voltage stability. It is mainly used in voltage regulation, EMI/RFI filtering, surge protection, pulse shapers, logic level clamping, and audio/speaker systems. 1N5253B-TR operates in the reverse breakdown region, where the voltage is clamped to the breakdown voltage level by the flow of current.

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