S2KDFQ-13 Discrete Semiconductor Products

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	800V
Current - Average Rectified (Io):	2A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 2A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	5µA @ 800V
Capacitance @ Vr, F:	8pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Flat Lead
Supplier Device Package:	D-Flat
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

S2KDFQ-13 is a widely used semiconductor device with extensive applications and applications in the electronics industry. It is a type of rectifier, specifically a single diode. A diode is an electrical component that enables current to flow in one direction but not the other and is widely used in power supplies, voltage regulators and other components. A rectifier is a device that converts alternating electrical current (A/C) to direct current (DC), allowing it to be used and manipulated by components such as voltage regulators. S2KDFQ-13 is designed to have high current, voltage and power ratings, as well as a low forward voltage (Vf).

The Construction

The S2KDFQ-13 is a single diode, meaning it is composed of a single P-N junction. It is constructed using a semi-insulating substrate - often silicon - and is surrounded by two metal contacts called terminals. The terminals are insulated from each other, preventing them from coming into contact and generating a short circuit.The two terminals, anode and cathode, are positioned in the opposite direction to each other. The anode is the positive terminal, while the cathode is the negative terminal. When a potential difference is applied between the two terminals, the diode will begin to conduct current, allowing it to pass through the device.

The Working Principle

The S2KDFQ-13 acts as a one-way rectifier, allowing current only to flow from the anode to the cathode. This is referred to as a forward biased diode or forward conduction. Reverse biased diodes, on the other hand, prohibit current from flowing.When the anode of the S2KDFQ-13 is connected to a positive voltage, an inversion layer is formed near the junction between the P-type and N-type materials. This layer ensures that the electrons and holes generated by the impact of the applied voltage are prevented from recombining, and are instead held apart. This encourages a forward current.However, if the S2KDFQ-13 is reverse biased, meaning that the anode is connected to the negative terminal and the cathode is connected to the positive terminal, the electrons and holes repel each other and recombine, meaning that current will not be able to flow through the device.The S2KDFQ-13 also has a low forward voltage. This means that if the anode is connected to a positive voltage and the cathode is connected to the negative terminal, the voltage across the device will be relatively low. This enables it to be used in applications that require low voltages.

Applications

Part of the reason for the popularity of the S2KDFQ-13 is its wide-ranging applications. It is used as a rectifier in many power supplies and voltage regulators; as a switching element in logic circuits; as a component in radio receivers; in optical systems; and in many other devices and components.The S2KDFQ-13 is also particularly useful in automotive applications, where its low forward voltage, high current rating and high power-handling capacity make it ideal for rectifying the powertrain supply voltage. The fact that it is a single diode also makes it easier to install in engines and wiring systems, as there is no need for multiple components.

Conclusion

The S2KDFQ-13 is a single diode rectifier that is used widely in many electrical appliances. Its low forward voltage, high current, voltage and power ratings, and its single component construction make it an ideal choice for applications requiring these characteristics. It is frequently used in automotive applications, as well as in radio receivers, optical systems, logic circuits and power supplies.

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