SF27G A0G

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	500V
Current - Average Rectified (Io):	2A
Voltage - Forward (Vf) (Max) @ If:	1.7V @ 2A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	35ns
Current - Reverse Leakage @ Vr:	5µA @ 500V
Capacitance @ Vr, F:	20pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AC, DO-15, Axial
Supplier Device Package:	DO-204AC (DO-15)
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

The SF27G A0G rectifier diode is an ideal choice for a variety of electronic applications including automotive systems and power supplies. It offers excellent performance with minimal power loss and a low reverse leakage current. This makes it suitable for use in a wide range of power-rail, power-smoothing, and pulse-processing applications.

Rectifier Diode Types

Rectifier diodes come in many different types and sizes. Some are designed specifically for one application, while others are general-purpose. The SF27G A0G rectifier diode is a single-phase, center-tapped, Schottky barrier rectifier that offers good performance characteristics for a variety of low-voltage applications. The diode is rated for a maximum forward voltage drop of 0.4 volts, a maximum reverse leakage current of 50 μA, a maximum junction temperature of 150°C, and a maximum power dissipation of 300 mW.

Physical Specifications

The SF27G A0G rectifier diode is a TO-92 style device with dimensions of only 3.2 x 1.3 x 1.3 mm. It is available in standard annealed package for ease of mounting and soldering. The diode is environmentally friendly, with a lead-free RoHS compliant construction. It has an ESD rating of ±2 kV.

Applications

The SF27G A0G rectifier diode is commonly used in automotive systems, power supplies, and other power-rail applications that require low-loss performance. It is suitable for use in power-smoothing, supply rail voltage support, over-voltage protection, and any other applications that require minimal power loss and a low reverse leakage current. It is particularly useful in automotive applications due to its ability to handle high voltages and temperatures.

Working Principle

The SF27G A0G rectifier diode works on the principle of rectification, which is the conversion of alternating current (AC) to direct current (DC). The diode is designed to allow current to pass through in one direction only, and to block current in the opposite direction. This is achieved by using a high internal resistance to the reverse current flow. When connected to an AC circuit, the diode acts as a one-way valve – allowing current to flow through from the anode to the cathode – while blocking the reverse current flow. The forward voltage drop across the diode is much lower than the reverse voltage drop, and this allows it to pass the current more efficiently.

Conclusion

The SF27G A0G rectifier diode is a single-phase, center-tapped, Schottky barrier rectifier that offers excellent performance for a variety of applications. It is designed for use in automotive systems, power supplies, and other low-loss power rail applications that require minimal power loss and a low reverse leakage current. The diode works on the principle of rectification, allowing current to pass only in one direction while blocking the reverse current flow. It is a RoHS compliant device, and has an ESD rating of ±2 kV.

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