SMBJ7V5CA

Current - Peak Pulse (10/1000µs):	46.5A
Base Part Number:	SMBJ7V5
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:	600W
Series:	SMBJ
Voltage - Clamping (Max) @ Ipp:	12.9V
Voltage - Breakdown (Min):	8.33V
Voltage - Reverse Standoff (Typ):	7.5V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction: SMBJ7V5CA TVS - Diodes

The SMBJ7V5CA is a voltage suppression diode designed to provide improved protection against transient and over-voltage events in sensitive electronic components. It belongs to a family of TVS (transient voltage suppressors) diodes, which are essentially zener diodes specially designed to protect against spikes, surges and other high voltage events. This type of diode is most commonly used in applications that require high-speed clamping and fast response times, such as in the automotive industry, telecommunications, and more.

SMBJ7V5CA Characteristics and Specifications

The SMBJ7V5CA has a number of noteworthy characteristics that make it a great fit for certain applications. It has a very fast response time of less than 25ns, making it better suited to protect against high-frequency transient events. It also has a low peak pulse power rating of 350W, making it less prone to overheating. The diode’s maximum operating voltage is 5.5V, while its maximum clamping voltage is 7.4V. The SMBJ7V5CA is not a bidirectional device, meaning it can only provide protection in one direction. The SMBJ7V5CA is a surface mount diode, with a small profile of 0.37 x 0.37 x 0.41 in (9.4 x 9.4 x10.4mm). It is available in a variety of packages, including SOD-123, SOD-323, and SOT-23. It also has a relatively low operating temperature of -55 to +125°C.

Applications

The SMBJ7V5CA is typically used in audio-video applications, telecommunications, and automotive systems. Specifically, it is most commonly used in applications such as data lines, high-speed I/O, and point of load modules. It can also be used in medical systems, and other high-sensitive electronic equipment that require high-speed protection against transient events.

Working Principle

The SMBJ7V5CA diode works on the zener diode principles. When a high voltage event occurs (such as a spike or surge) the diode begins to conduct current and clamp the voltage at the diode’s clamping voltage, thus protecting the equipment from the over-voltage event. The diode exhibits a fast response time, as it clamps the voltage almost instantaneously. The diode can limit the voltage to the clamping voltage level and divert the current away from the protected components.

Conclusion

In conclusion, the SMBJ7V5CA is a versatile voltage suppression diode designed to protect sensitive electronic components from transient and over-voltage events. It belongs to a family of TVs (transient voltage suppressors) diodes, with a very fast response time of less than 25ns and a peak power rating of 350W. It can be used in a variety of audio-video, automotive and telecommunications applications that require high-speed protection against transient events. The diode works on zener diode principles, clamping the voltage at its clamping voltage level and diverting the current away from the protected components.

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