UH2BHE3/52T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	100V
Current - Average Rectified (Io):	2A
Voltage - Forward (Vf) (Max) @ If:	1.05V @ 2A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	35ns
Current - Reverse Leakage @ Vr:	2µA @ 100V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMB)
Operating Temperature - Junction:	-55°C ~ 175°C
Base Part Number:	UH2B

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UH2BHE3/52T Application Field and Working Principle

UH2BHE3/52T is a single diode, rectifier that is typically found in consumer electronics, such as the television, computer monitor, and stereo. It is a a semiconductor diode with a anode and cathode that comes encapsulated in a thermally and electrically insulated plastic package.

Applications

UH2BHE3/52T is often used in a wide range of applications such as medical equipment, communication systems, military airplanes, power amplifiers and power supplies, automobile components such as anti-lock brake systems and airbags, industrial and commercial batteries, LED lighting, solar photovoltaic cells, power adapters, DC power cords, and many other applications.

Features

UH2BHE3/52T features a low voltage drop, which is a desirable electrical characteristic for most applications. It also offers a low reverse leakage current, resulting in improved power efficiency. This diode has a high blocking voltage, meaning it can forward-bias to high voltages until a turn-on threshold is reached. This diode also features fast switching time, allowing a higher switching frequency in equipment with high-speed switching functions.

Working Principle

The UH2BHE3/52T incorporates two series bipolar diodes connected together in reverse bias configuration. When a forward bias voltage is applied to anode and cathode of the two diodes, the diode conducts current. As the forward bias voltage increases, the current flowing through the diode increases accordingly, resulting in a voltage drop across the series diodes. This voltage drop causes the two diodes to switch and block current flow in the opposite direction. This causes the voltage across the diode to become negative, which is what the majority of applications require.When the reverse bias voltage applied to the diode is too high, the current quickly exceeds the maximum current rating. This causes the diode to become damaged by overheating and eventually permanently destroyed. This is why UH2BHE3/52T features an internal protection circuit that will shut down current flow when the reverse bias voltage exceeds the maximum current rating.

Conclusion

UH2BHE3/52T provides a wide range of features to meet the needs of various applications. Its low voltage drop, low reverse leakage current, and high blocking voltage makes it a suitable choice for a variety of electrical and electronic applications. Its internal protection circuit offers the added assurance of current shut-down if the reverse bias voltage exceeds its maximum current rating. These features, combined with its easy integration, makes UH2BHE3/52T a popular choice for many manufacturers.

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