TZM5257F-GS08

Power - Max:	500mW
Impedance (Max) (Zzt):	700 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 25V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AC, MINI-MELF, SOD-80
Supplier Device Package:	SOD-80
Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	33V
Tolerance:	--

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Introduction:The TZM5257F-GS08 is a single Zener diode, manufactured by Toshiba. It is a general purpose device for voltage stabilization and current rectification. It is offered in an SOT-23F3 tiny package and has an ultra-low profile design for applications with space limitations.Specifications:The TZM5257F-GS08 is a 12V Zener diode with ESD protection and low thermal resistance. It provides excellent breakdown voltage stability and low leakage current. The device is designed to operate in ambient temperatures up to 125°C. The rated power dissipation is 200mW and the maximum forward current is 50mA.Applications:The TZM5257F-GS08 is designed for use in a variety of applications including: * Voltage stabilization and current rectification* Automotive electronics* Power management systems* Mobile and wearables* Battery powered devices* Motor control systems* Constant current sources* Encryption and security systemsWorking Principle:The TZM5257F-GS08 operates by allowing a controlled amount of current to be directed to a specified device from a main power source. The Teccor® Zener diode acts as a shunt regulator, allowing the excess current to be diverted from the specified device. When the voltage across the diode exceeds the breakdown voltage (Vz), it enters the breakdown region and allows current to flow through the device. This prevents the voltage across the specified device from exceeding the breakdown voltage and stabilizes the voltage.The TZM5257F-GS08 is also capable of rectifying current, meaning it can convert alternating current (AC) to direct current (DC). This is done by using the diode’s anode as the positive voltage point and the cathode as the negative voltage point. When the diode is forward biased, the current flows from the anode to the cathode. When the current reverses and the diode is reverse biased, current does not flow. This allows for a clean DC signal with minimal losses.Conclusion:The TZM5257F-GS08 is a single Zener diode designed by Toshiba for general purpose voltage stabilization and current rectification. It is offered in an SOT-23F3 tiny package and has an ultra-low profile design, making it suitable for applications with space limitations. It has excellent breakdown voltage stability and low leakage current. The device is designed to operate in ambient temperatures up to 125°C and provides 200mW rated power dissipation and 50mA forward current. The device can be used in numerous applications, such as automotive electronics, power management systems and motor control systems, due to its ability to provide constant current, stabilize voltage and rectify current.

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