MMBZ16VALFHT116

Voltage - Clamping (Max) @ Ipp:	23V
Supplier Device Package:	SSD3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	150°C (TJ)
Capacitance @ Frequency:	70pF @ 1MHz
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	40W
Current - Peak Pulse (10/1000µs):	1.7A
Series:	Automotive, AEC-Q101
Voltage - Breakdown (Min):	15.2V
Voltage - Reverse Standoff (Typ):	13V (Max)
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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TVS - Diodes, also known as Transil diodes, are a subcategory of diodes designed to provide high level protection for sensitive electronic equipment from electrical overstress (EOS) and electrical transients caused by lightning strikes and electrostatic discharges. The application fields and working principles of one commonly used TVS diode – MMBZ16VALFHT116 are discussed in this article. The MMBZ16VALFHT116 TVS diode is designed to protect low voltage communication line which operate primarily in the 5.5V to 24V range. It is capable of absorbing repetitive electrical transients up to 10A per line and is not destroyed by these pulses. It can reduce over voltage surges induced by transient faults and lighting, fast turning off electromagnetic interference and other ways. It can also prevent voltage from supplying electricity to the electronic equipment when low voltage is applied to the input port.The MMBZ16VALFHT116 essentially consists of a Zener diode, a Transistor and two resistors. It also includes a semiconductor junction between the Zener and the Transistor base. The Diode is designed to provide protection against high-voltage transients while the Transistor is used to provide protection against over-current flow.Under normal circumstances, the flow of current across the diode is negligible. However, when a high voltage transient is applied, the current begins to flow through the diode, across the resistors, and into the transistor. The transistor then switches on, allowing current to flow through it and safely ground the VerotMMBZ16VALFHT116 thereby protecting the protected circuit from the high voltage transient.The MMBZ16VALFHT116 is also designed to provide protection against electrostatic discharges, which can cause permanent damage to sensitive electronic components. It has two components to carry out this protection – an Internal Discharge Element and an External Discharge Element. The Internal Discharge Element consists of a junction between the diode and the transistor and is programmed to respond to electrostatic discharges quickly, directing the current away from the protected components. The External Discharge Element works in conjunction with the Internal Discharge Element to dissipate any charges that may have been induced through the external environment. The MMBZ16VALFHT116 also has a failsafe feature that will activate if the internal protection circuit fails. In this case, the internal circuitry becomes overwhelmed, allowing the diode to clamp the voltage at a safe level until the external circuit can be reset.In conclusion, the MMBZ16VALFHT116 is an effective tool for protecting sensitive electronic components from voltage transients and electrostatic discharges. It is well suited for use in communication lines operating in the 5.5V to 24V range and it is capable of absorbing up to 10A per line without being destroyed. It also has failsafe features to provide an additional layer of protection in the event of a protection circuit failure.

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