SMB10J10-E3/52

Current - Peak Pulse (10/1000µs):	53.2A
Base Part Number:	SMB10J
Supplier Device Package:	DO-214AA (SMB)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1000W (1kW)
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	18.8V
Voltage - Breakdown (Min):	11.1V
Voltage - Reverse Standoff (Typ):	10V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS – Diodes: SMB10J10-E3/52 application field and working principle

Transient Voltage Suppressors (TVS) diodes are widely used in circuit protection. It is an important and reliable component in electronic circuits, and can prevent many types of electronic damaged caused by high-tension transients and ESD (electro-static discharge) pulses. The SMB10J10-E3/52 is a stylish new model developed by Zowie Technology, a leading manufacturer of TVS diodes. This article will discuss the application field and working principle of the SMB10J10-E3/52.

Application Field

The SMB10J10-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) designed for protecting various electronic circuit systems from ESD pulses and overload or short circuit influenced by lightning impulse. It can be widely used in automotive and solar inverters, lightning protection of wires, boards, etc. It is also suitable for protection of in situ tests and CMOS integrated circuits in telecommunications fields.The SMB10J10-E3/52 has an excellent power dissipation capability, high breakdown voltage stability, and very low leakage current across a wide temperature range(-65 ℃ to +150℃). It provides excellent clamping performance and other features such as: • Surge protection: 10A @ 8/20 μs ; • Peak Pulse Power: 400W (10/1000 μs) ;• Withstand peak pulse power for given working voltage @ tp= 10/1000 μs ;• Leakage current: 1.0uA (max) @ VR= 80V (max).

Working Principle

The SMB10J10-E3/52 TVS Diode is a unidirectional Transient Voltage Suppressor (TVS) consisting of a silicon avalanche diode and a Zener diode in a single package. It acts as a clamp device and operates within a specified breakdown voltage range, which is the maximum voltage the diode can target the attached device and protect it from higher voltages.The operating principle of the SMB10J10-E3/52 is based on the principle of avalanche breakdown and Zener breakdown. In the case of avalanche breakdown, electrons gain sufficient energy to cause further electron–hole ionization in the channel region and start an avalanche process. The large electric field caused by this rapid increase of the current enables the breakdown voltage to be effectively suppressed. In the case of Zener breakdown, when the applied voltage reaches the breakdown voltage, electrons will be accelerated to considerable speeds by the electric field, enabling them to gain sufficient energy to ionise impurity atoms.The device is designed to provide an effective clamping action on voltages between maximum allowable voltage (at high transient times) generally specified in datasheets, and it clamps safely the value of the voltage during high transients and spikes. As almost all components in electronic circuits have a maximum rated voltage, it is very important to protect them from such transients.

Conclusion

The SMB10J10-E3/52 is a useful and reliable component in different electronic circuit systems. The device itself is designed to provide an effective clamping action on voltages between maximum allowable voltage, protecting various electronic circuit systems from ESD pulses and overload or short circuit influenced by lightning impulse. It is suitable for use in automotive, solar inverter and lightning protection of wires, boards and CMOS integrated circuits, among others.

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