SMBJ85

Voltage - Clamping (Max) @ Ipp:	143.85V
Supplier Device Package:	DO-214AA (SMBJ)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	4.4A
Series:	SMBJ
Voltage - Breakdown (Min):	89.28V
Voltage - Reverse Standoff (Typ):	85V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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SMBJ85 TVS – Diodes

The SMBJ85 TVS diode is an advanced protection diode that is used in electronic equipment to guard against electrical overstress, or EOS. It is designed to quickly clamp the voltage levels to a safe level when an EOS event occurs. These TVS diodes are available in a wide range of voltage breakdown levels and packages to meet different application requirements.

SMBJ85 TVS – Diodes Application Field

The SMBJ85 TVS diode is designed for use in electronic circuit boards, power supplies, and robotics equipment. It can also be used in applications such as automotive electronics, circuit protection, and industrial automation equipment. The SMBJ85 diode is commonly used in board-level applications such as cellular phones, personal computers, and video game consoles. It is also used in mobile phone systems, ATMs and point-of-sale terminals, and consumer electronics such as DVD players and portable media players.

SMBJ85 TVS – Diodes Working Principle

SMBJ85 TVS diodes work by quickly clamping transients or spikes to a safe voltage level when an EOS event occurs. The diode is designed to turn on rapidly when the voltage exceeding the breakdown voltage and then clamp the voltage level to a safe working level. The SMBJ85 diode is a unidirectional device, meaning that it blocks current flow in one direction and allows it to flow in the other. This is important for the proper protection of the circuit components. The diode is also designed to have an internal explosive arc-rejection mechanism. This helps prevent long-term damage to the circuit from arcing current or any internal spark generated by the diode.The SMBJ85 TVS diode is also designed to offer better surge capability and peak pulse current than other protection diodes. Its surge capability is rated at 8/20 μs, which means that it can absorb up to 8A of current for up to 20 microseconds without damage. This makes SMBJ85 an ideal protection device for applications where spikes and surges are a possibility.

Conclusion

The SMBJ85 TVS diode is an advanced protection diode designed to quickly clamp voltage levels to a safe level when an EOS event occurs. It is designed for use in board-level applications, power supplies, robotics equipment, and other applications where surge protection is needed. The diode has an internal arc-rejection mechanism and a better surge capability than other protection diodes, making it an ideal protection solution for a wide range of applications.

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