ESH1BHE3_A/I

Series:	Automotive, AEC-Q101
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	100V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	900mV @ 1A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	25ns
Current - Reverse Leakage @ Vr:	1µA @ 100V
Capacitance @ Vr, F:	25pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC (SMA)
Operating Temperature - Junction:	-55°C ~ 175°C

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Introduction to ESH1BHE3_A/I Application Field and Working PrincipleSingle rectifiers are one of the most broadly employed electronic components in the current industry. ESH1BHE3_A/I is a leaded rectifier diode developed by Vidasys Ltd. It is used in various fields including home appliances and telecommunications. This article provides an overview of the application fields ESH1BHE3_A/I is used in and its working principle. Application Field of ESH1BHE3_A/IESH1BHE3_A/I can be used in various applications, such as switching and rectification in home appliances and for signal conversion in telecom services. It is suitable for AC mains input, signal conversion, ripple filtration, and high switching speed applications.In telephone signal conversion applications, it is used to separate the alternating current from the signal and convert it into direct current, in order to lowers the distortion of the signal caused by transformers. It is also used in telecom services such as ringing signal generation.ESH1BHE3_A/I can also be used for AC mains input. It is designed for rectification and switching of 100-240V AC to provide DC output. Its reverse voltage rating is up to 1000V and it offers high current rating up to 3A. Its operating junction temperature is -55°C to 125°C, which is suitable for high temperature and extreme conditions.Moreover, it can be used for ripple-filtration applications. In ripple-filtration, ESH1BHE3_A/I acts as a bridge rectifier and is used to convert the AC voltage into DC voltage and then filter the ripple of the DC voltage.Finally, ESH1BHE3_A/I can be employed in switching circuit applications, mainly due to its high switching speed. Its reverse recovery time (trr) is less than 5ns, which makes it suitable for high-speed switching applications, such as in power supplies and consumer electronics.Working Principle of ESH1BHE3_A/IESH1BHE3_A/I is a silicon rectifier diode that is specifically designed for rectification and switching applications. It consists of two P-type and two N-type regions. When the device is forward biased, electrons move from the N-type region to the P-type region and holes move from the P-type region to the N-type region, thus allowing current to flow. When the device is reverse biased, the PN junction is reverse polarized, i.e. the P-type region is negative with respect to the N-type region, which results in a depletion region. The depletion region causes a large reverse voltage drop and thus precludes the current from flowing.In telecom applications, ESH1BHE3_A/I acts as a rectifier diode to separate the alternating current from the signal and convert it into a direct current. When the ESH1BHE3_A/I is forward biased, current flows more freely and the direct current is generated.In AC mains applications, ESH1BHE3_A/I acts as a bridge rectifier. It is used to convert the AC mains voltage into a DC output. Four diodes are connected in a ‘bridge’ formation, two being forward biased and two being reverse biased at alternate times. The cyclically changing voltage imposes a double frequency current flow, which is further smoothed through capacitors. Thus, the DC output is generated.In ripple-filtration applications, the ESH1BHE3_A/I functions as a bridge rectifier. It converts the AC mains voltage into a DC output and then filters the ripple of the DC output. In order to filter the ripple voltage, the diode is designed to have a slow recovery time in order to limit the switching noise.In switching circuit applications, the ESH1BHE3_A/I is used for high-speed switching applications. It can switch a current of up to 3 amps and its reverse recovery time (trr) is less than 5 ns, which makes it suitable for high-speed switching applications.ConclusionESH1BHE3_A/I is a unique rectifier diode developed by Vidasys Ltd. It can be used in various applications such as switching and rectification in home appliances, signal conversion in telecom services, AC mains input, ripple filtration and high-switching speed applications. Its working principle comprises two P-type and two N-type regions, which allows the current to travel in one direction and prevents it from travelling in the other direction. It also has a reverse recovery time (trr) of less than 5ns, making it suitable for high-speed switching applications.

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