1.5SMC30A

Voltage - Clamping (Max) @ Ipp:	41.4V
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	36.7A
Series:	1.5SMC
Voltage - Breakdown (Min):	28.5V
Voltage - Reverse Standoff (Typ):	25.6V
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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1.5SMC30A is an electronic component also known as a Transient Voltage Suppressor (TVS) diode. This diode can be used to protect electronic devices such as computers and power supplies from excessive voltage. It is designed to block high voltage surges and is most useful when sudden changes in voltage occur, such as those caused by lightning or power outages. TVS diodes are constructed from a silicon junction diode, which is formed by combining two semiconductor layers. The N-type layer is normally made with a negative charge and has excess electrons, while the P-type layer is typically positively charged and contains excess ‘holes’. When negative and positive charges come together, an electric current can flow through the diode and a voltage waveform is formed.1.5SMC30A can be applied in many ways, but it is most often used in situations where a circuit needs to be protected from excessive voltage. It can be used to protect circuits from lightning and power outages, as well as used to reduce unwanted frequencies that can cause interference within electronic circuits. Additionally, 1.5SMC30A can be used in situations where a low-power DC circuit requires higher-voltage protection.The working principle of 1.5SMC30A is based on a reverse-biased, normally open, low voltage stable diode. When the applied voltage increases above a predefined threshold, 1.5SMC30A will become forward-biased and conduct the excess voltage away from the circuit. At the same time, a thermally sensitive element within the diode heats up when the current increases and the whole diode self-destructs in a controlled manner. This process prevents the continuing increase of the diode’s voltage and enables the user to replace the damaged part quickly.1.5SMC30A is an important device for protecting electronic equipment, and should be used whenever excessive voltage or current is expected or when interference of any kind may be encountered. Used properly, 1.5SMC30A can provide reliable electrical protection and ensure the safety of the equipment it is connected to.

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