UTR4340

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	4A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 4A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	400ns
Current - Reverse Leakage @ Vr:	5µA @ 400V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	B, Axial
Supplier Device Package:	--
Operating Temperature - Junction:	-65°C ~ 175°C

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Diodes - Rectifiers - SingleThe UTR4340 is a single-phase bridge rectifier (SPBR) module, designed for use in electronic power supplies and appliances. It is based on an array of high-efficiency Schottky diodes and has a peak forward current of 4A, making it suitable for applications with up to 4A maximum current.The UTR4340 features a reverse polarity protection circuit and a transient voltage suppression (TVS) diode, which helps to protect the device from electrical transients and transient surges. The module also includes ESD (electrostatic discharge) protection, enabling it to withstand sudden voltage spikes.The UTR4340 features a smart, low-profile design with a low resistance power terminal and an aluminum-backed baseplate for improved heat dissipation and increased reliability. Like many other SPBR modules, the UTR4340 can be soldered directly onto the circuit board, eliminating the need for additional mounting hardware.The UTR4340 is most commonly used in electronic power supplies and appliances such as computers, appliances, LED lighting, and security systems. It is also commonly used in automotive applications such as automotive electronic control modules, infotainment systems, and audio amplifiers.The UTR4340 is a highly efficient device, offering excellent performance and reliability in a cost-effective package. Its robust design and high current capacity make it an ideal alternative to conventional silicon rectifiers.The UTR4340 features the same basic circuit arrangement as standard rectifier bridges, but it substitutes the usual silicon rectifiers with Schottky diodes. Schottky diodes are characterized by faster switching speed and lower device losses than their silicon counterparts, making them a more efficient alternative.Unlike silicon rectifiers, Schottky diodes feature a self-limiting characteristic that allows the current to be limited to the maximum rating of the module. This current limiting helps to ensure both stability and safety, as it prevents damaging short circuits and reduces the risk of system failure.The UTR4340 features a low-impedance design, with a high-energy storage capacity and a surge overload current rating of 4A. The module also features an ultra-low forward voltage drop, enabling it to efficiently handle large peak currents without significant reduction of output voltage or power loss.Overall, the UTR4340 is a highly efficient, robust, and feature-packed SPBR module. With excellent performance, reliability, and value-for-money, the UTR4340 is an ideal choice for a wide range of applications in the automotive, consumer electronics, telecommunications, and industrial sectors.

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