P4SMA250A-M3/5A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	344V
Supplier Device Package:	DO-214AC (SMA)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	300W
Current - Peak Pulse (10/1000µs):	870mA
Series:	P4SMA, TransZorb®
Voltage - Breakdown (Min):	237V
Voltage - Reverse Standoff (Typ):	214V
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, or transient voltage suppressor diodes, are electronic components designed to provide transmission protection against high-voltage transients. The P4SMA250A-M3/5A is a Transient Voltage Suppressor (TVS) Diode specifically designed for high-speed applications over a wide range of voltage and temperature conditions. It is suitable for use in industrial and consumer applications operating at up to 5A peak current and 250V breakdown voltage.The P4SMA250A-M3/5A is designed using an advanced low-stress trench process with a very small cathode-anode spacing. This allows it to handle significantly more current than standard TVS diodes, with a lower power dissipation and improved thermal characteristics. It also features a fast response time, allowing it to protect sensitive devices against high voltage spikes quickly.The P4SMA250A-M3/5A is designed to provide protection from over-voltage and over-current conditions. This includes protection from power surge, electrostatic discharge (ESD), and line voltage transients. Its breakdown voltage and clamping voltage are determined by the avalanche characteristics of the component.The P4SMA250A-M3/5A is typically used in applications such as pulsed power supply, power supply sequence protection, data line protection, and high speed switches. In these applications, the device offers protection in a small, Surface Mounted Device (SMD) package with a low profile.The P4SMA250A-M3/5A works by providing a low impedance path to ground during fault or surge conditions, thus limiting the voltage and current applied to the protected circuit. The device has a response time of less than 1 nanosecond, which allows it to react to voltage transients before they cause damage to sensitive circuits. Its low breakdown voltage also prevents the circuit from drawing too much current, thus eliminating the risk of damage caused by excessive current.In normal operation, the device is held in a reverse bias. When a voltage transient such as a surge or a fault occurs, the device turns on, clamping the voltage. This limits the amount of energy that is delivered to the protected circuit, thus preventing any damage from occurring. After the transient has passed, the P4SMA250A-M3/5A turns off and the device returns to its reverse bias state.In addition to providing protection against voltage transients, the P4SMA250A-M3/5A also provides protection against ESD and other related hazards. Its fast response time makes it well-suited for ESD protection, providing excellent protection against ESD pulses up to 8kV. The device also features an excellent standoff voltage for added safety in applications.The P4SMA250A-M3/5A offers a variety of advantages over conventional TVS diodes. Its fast response time allows it to react quickly to voltage transients before they can cause damage, while its low breakdown voltage prevents the circuit from drawing too much current and causing damage. Its small package size and low profile make it suitable for SMD applications, while its ESD protection provides an extra layer of safety. Overall, the P4SMA250A-M3/5A is an ideal choice for a wide range of industrial and consumer applications.

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