Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	930mV @ 1A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	5µA @ 400V
Capacitance @ Vr, F:	8.2pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	2010 (5025 Metric)
Supplier Device Package:	2010
Operating Temperature - Junction:	-65°C ~ 175°C

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ACGRAT102L-HF Application Field and Working Principle

Description

ACGRAT102L-HF is a rectifier diode and is typically used in On-Board circuits, rectification fans and other applications needing use of a single rectifier diode. The main characteristics are stated as follows:• Low forward voltage drop: 0.58V• High surge current capability• High temperature performance• Fast recovery time• Low leakage current• Capable of high-frequency operation

Application Field

Rectifiers are widely used in AC/DC conversion, rectifying and stabilizing voltage, and filtering out DC ripple. ACGRAT102L-HF can be applied in such applications, meeting adjustable requirements. It is applicable for On-Board circuits, for restricting the reverse current and protect electric wires, as well as for rectification fans, preventing motors from overvoltage damage. The fast recovery time and high temperature performance of the ACGRAT102L-HF make it appropriate for electric motor drives, AC motor fans, electric furnaces and solenoid-valves, fitting into the applications with frequent electric switch.

Working Principle

The diode ACGRAT102L-HF is a 2-terminal semiconductor device, with the symbols A and K meaning anode and cathode respectively. When the anode is greater than the cathode, a forward voltage appears across the diode, and the current flows. On the contrary, the diode is forward-biased and no current flows in the reverse direction. The voltage applied between the two terminals of the diode determines the amount of current flowing through the diode, depending on the diode’s forward-bias characteristics, otherwise known as its forward current-voltage characteristics. For the ACGRAT102L-HF diode, regardless of the voltage and current, its forward voltage drop is 0.58V, ensuring that only a slight loss of voltage occurs, and reducing the effect of heat generation on other components and on circuitry. The surge current capability of ACGRAT102L-HF provides protection for motors from damages caused by overvoltage. This prevents electrical leakage buildup due to elevated temperatures in the surrounding environment. Additionally, its fast recovery time allows it to be used in applications that depend on quick electric switch, such as electric motor drives.

Conclusion

ACGRAT102L-HF is a rectifier diode designed for use in On-Board circuits, rectification fans, and other applications to restrict reverse current and protect electric wires, as well as prevent motors from overvoltage damage. Its low forward voltage drop, high surge current capability, quick recovery time and high temperature performance make it suitable for electric motor drives, AC motor fans, electric furnaces and solenoid-valves applications.

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