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2020
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SPS 3A 50V-1000V Axial Diodes HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308 DO-27 Package

Special Sun A·H·M Technology(Shanghai)Co.,Ltd.
SPS - ISO Factory for SMD and Through-hole Diodes and Rectifiers Since 2000

What diode can be used for replacing diode HER308?
The diode HER308 is replaced by HER408 or HER508, which simply means that the specifications are unchanged and the power is increased.
Among electronic components, diode rectifier is a device with two electrodes that only allows current to flow in a single direction. Many uses are made by its rectifying function. The varactor diode (Varicap Diode) is used as an electronic adjustable capacitor. The directivity of the current of most diodes is commonly referred to as the "Rectifying" function. The most common function of a diode is to allow current to flow in only one direction (known as forward bias) and to block in the reverse direction (called reverse bias). Therefore, the diode can be thought of as an electronic version of a check valve.

Categories: Discrete Semiconductor Products 
Diodes - Rectifiers - Single  
Packaging: Ammo,Bulk 
Part Status: Active 
Diode Type: Standard 
Voltage - DC Reverse (Vr) (Max): HER301-50V, HER302-100V, HER303-200V, HER304-300V, HER305-400V, HER306-600V, HER307-800V, HER308-1000V 
Current - Average Rectified (Io): 3A 
Voltage - Forward (Vf) (Max) @ If: 1.0V for HER301, HER302, HER303; 1.3V for HER304, HER305; 1.7V for HER306, HER307, HER308  
Reverse Recovery Time (trr): 50ns for HER301, HER302, HER303, HER304, HER305; 70ns for HER306, HER307, HER308
Current - Reverse Leakage @ Vr: 5µA
Capacitance @ Vr, F(@ 4V, 1MHz): 70pF for HER301, HER302, HER303, HER304, HER305; 50pF for HER306, HER307, HER308
Mounting Type: Through Hole 
Package / Case: DO-201AD, Axial 
Operating Temperature - Junction: -65°C ~ 150°C

datasheet: http://www.spsdiode.com/Datasheet/SPS-HER301-THRU-HER308.pdf 

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