Series:	Military, MIL-PRF-19500
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	13V
Voltage - Breakdown (Min):	14.4V
Voltage - Clamping (Max) @ Ipp:	21.5V
Current - Peak Pulse (10/1000µs):	27.9A
Power - Peak Pulse:	600W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	SMBJ (DO-214AA)

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TVS – Diodes: MASMBJ13AE3 Application Field and Working Principle

TVS (Transient Voltage Suppressor) diodes are a kind of semiconductor, widely used to protect sensitive circuits against surges and other transients. There is a range of TVS diodes available on the market, such as the MASMBJ13AE3 that is widely popular for its efficient protection against electrical transients of different polarities. This article could guide you about its application field and working principle.

Application Field

The MASMBJ13AE3 TVS diode is typically used in high-performance circuits for voltage protection. It is designed to provide an optimized balance of surge protection and capacitive loading. It is a low capacitance diode, providing a high level of protection of up to 150 Watts peak, with a voltage rating of 13 Volts, and a breakdown voltage of 12.5 to 18.5 Volts.The MASMBJ13AE3 is used in many industries such as automotive, industrial, medical, consumer electronics, and computer peripherals. It is commonly used in various embedded systems and automotive solar modules. It can also be used for circuit protection against data line surge pulses and other high-speed, low-power events.

Working Principle

The MASMBJ13AE3 TVS diode is a bidirectional semiconductor device that, when triggered, can shunt the surge to ground. When the applied voltage is low, the diode functions like a short circuit and prevents circuit protection.When the applied voltage rises beyond the breakdown voltage of the diode, the diode is triggered and the current flows through it. This current then flows to the ground, thereby protecting the circuit from being damaged by the surge. A common example would be when a circuit is wired with a 12 Volt power source and the circuit is subjected to a voltage surge of more than 12.5 Volts. A MASMBJ13AE3 TVS diode is then triggered and shunts the excess voltage to the ground, thereby protecting the circuit.The TVS diode is also a protection diode, providing further protection in the case of an over-voltage fault. When the voltage reaches a certain level, the diode triggers and causes a short circuit which then causes the voltage to drop. Thus, the diode can provide protection from over-voltage conditions and help maintain a safe electrical environment.

Conclusion

The MASMBJ13AE3 TVS diode is a versatile and highly efficient diode that can provide protection from both surge and other varieties of electrical transients. It is widely used in several industries as it provides an optimal balance of surge protection and capacitive loading. It is easy to integrate into circuits as well. Understanding its application field and working principle can help the user better understand how this diode can protect circuits from being damaged by voltage surges.

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