MASMBJ120CAE3 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	193V
Supplier Device Package:	SMBJ (DO-214AA)
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):	3.1A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	133V
Voltage - Reverse Standoff (Typ):	120V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to MASMBJ120CAE3 TVS - Diodes

MASMBJ120CAE3 is a type of transient voltage suppressor (TVS) diode, a component that helps prevent high-voltage spikes from damaging other components in an electrical circuit. It is also referred to as a "transient voltage suppression diode", as it does the same work of suppressing electrical surges but in a slightly different way. Circuit protection means the ability to protect itself against harmful high voltage spikes or transients.

What are TVS - Diodes?

TVS (transient voltage suppressor) diodes are components used to protect circuits and other devices from damage caused by high-voltage surges or transient voltage spikes. They provide protection against overvoltage conditions. They are able to shunt current away from sensitive components when voltage levels exceed their operating range.

Applications of MASMBJ120CAE3 TVS - Diodes

MASMBJ120CAE3 is typically used in high-voltage applications such as automotive, industrial, and consumer electronics. It is also used in portable medical devices and can be found in computers, laptop and personal devices. This type of diode is often used to protect systems such as motors, relays, and switches from overvoltage. It is also used in industrial control systems, LED lighting, and power amplifiers.

Working Principle of MASMBJ120CAE3 TVS - Diodes

The working principle of MASMBJ120CAE3 is quite simple. When a high voltage transient is detected, MASMBJ120CAE3 will switch off, allowing the current to be diverted to the diode. The diode then shunts the current away from the sensitive components, preventing any electrical surges or overvoltage.MASMBJ120CAE3 is an avalanche diode, which means that it can handle higher current pulses than a standard diode. The diode has a low forward voltage drop, which means that it can handle more peak current. The diode also has a higher breakdown voltage, meaning it can handle higher voltage surges.

Conclusion

MASMBJ120CAE3 is a popular type of TVS diode used in high-voltage applications such as automotive, industrial, and consumer electronics. It is a versatile diode with a low forward voltage drop and a high breakdown voltage. Its working principle is quite simple: when a high voltage transient is detected, the diode switches off, allowing the current to be diverted away from the sensitive components, thus protecting them from any electrical surges or overvoltage.

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