MASMBJ43CA

Voltage - Clamping (Max) @ Ipp:	69.4V
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):	8.6A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	47.8V
Voltage - Reverse Standoff (Typ):	43V
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 MASMBJ43CA

MASMBJ43CA is a television signal or power line protection device, and is a type of transient voltage suppressor (TVS) diode widely used for electronic equipment of grounding, switching and electrical stability. It is designed to absorb voltage spikes or large overvoltage, protecting the connected components from sudden power spikes. It features a low parasitic capacitance, fast clamping response, low maximum capacitance, and dual protection modes.

Applications

MASMBJ43CA TVS diodes are designed for protecting medical imaging equipment, audio systems, communication equipment, power supplies, data and consumer electronics products. They can be used in a wide range of applications.MASMBJ43CA TVS diodes have operating temperatures ranging from -55°C to +155°C, and are commonly used in grounding applications, uninterruptable power supply (UPS), electromagnetic interference (EMI) filters, protection circuits, and power switching converters. Because of their small size and low parasitic capacitance, they are often chosen for applications with space limitations, such as in cell phones, laptops, digital cameras, and other electronic devices.

Working Principle

A TVS diode is an electronic device that provides fast overvoltage protection from inductive or capacitive transients, and short-term voltage surges with fast recovery time. It is manufactured from dual-doped silicon structure, and it is constructed with an anode and a cathode, connected to a semiconducting material inside the structure.A TVS diode prevents voltage spikes from damaging connected circuits and equipment. It is designed to absorb voltage spikes or large overvoltage, usually within a preset range. When a spike or large overvoltage is detected, the diode\'s protection circuit opens and its metal-oxide-semiconductor (MOS) cells spread the current over a wider area to reduce the voltage.MASMBJ43CA TVS diodes have a low parasitic capacitance and a fast clamping response so that when the voltage spike or overvoltage is detected, the diode quickly conducts current and diverts it away from the connected circuitry. This helps protect sensitive electronics and circuits from excessive surges.

Conclusion

MASMBJ43CA is a type of television signal or power line protection device which is widely used for grounding, switching and electrical stability applications. It features quick response time and dual protection mode to protect connected components from sudden power spikes. MASMBJ43CA is commonly used in medical imaging equipment, audio systems, communications equipment, power supplies, data and consumer electronics products. It is constructed with an anode and a cathode, connected to a semiconducting material inside the structure, and its metal-oxide-semiconductor (MOS) cells spread the current over a wider area to reduce the voltage when a spike or large overvoltage is detected.

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