P6SMB300CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	414V
Supplier Device Package:	DO-214AA (SMBJ)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	1.5A
Series:	P6SMB
Voltage - Breakdown (Min):	285V
Voltage - Reverse Standoff (Typ):	256V
Bidirectional 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 or Transient Voltage Suppression Diode devices are used in electronics to provide protection against electrical transients, surges, and ESD. The P6SMB300CA is one such device used in many electronic circuits.This particular device is a unidirectional, low capacitance, 600W (peak pulse power) device. It is capable of handling significantly higher levels of peak power compared to other TVS devices. It has a working voltage of 30V, and a breakdown voltage of 67.8V. It is assembled in a SMB package and has a maximum peak current rating of 57 amperes.The P6SMB300CA is typically used in many consumer electronics, such as television sets, computers, mobile phones, gaming consoles, and more. It is used to provide protection from ESD, surge voltage, EMI, etc. It is also widely used in industrial and automotive applications.In consumer electronics, the P6SMB300CA is typically used in parallel with other relative components to reduce instantaneous peak current that flows through the circuit. This reduces the potential for damage to connected components due to over-voltage or peak-voltage occurrences. The device limits the flow of current and prevents associated components from being damaged as a result of electricity generated from pulses, such as when a user presses a button, illumination of an LED, or GPRS/GSM connections.The working principle of the P6SMB300CA device is fairly straightforward. When an over-voltage transient, typically in the range of 20V-50V, is detected, the N-type or diode structure of the device forms a low resistance path. This bypasses the current to a safe ground, preventing any further voltage from reaching the connected components.When a normal operating voltage is detected, the device behaves like a high impedance device and the bypass path is not formed. This ensures that current is limited to a normal level, providing the necessary peak protection from over-voltage.The P6SMB300CA devices are a great choice when it comes to providing a much needed protection from ESD, surge voltage, EMI, and other potential electric hazards in consumer and automotive electronics. The device is highly reliable and also provides a high level of peak-current protection.

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