STTA512B

Series:	TURBOSWITCH™
Packaging:	Tube
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1200V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	2.2V @ 5A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	95ns
Current - Reverse Leakage @ Vr:	100µA @ 1200V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	DPAK
Operating Temperature - Junction:	150°C (Max)

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STTA512B: Introduction

The STTA512B is a high-efficiency metal–oxide–semiconductor field-effect transistor (MOSFET) rectifier, which is a type of semiconductor device. It is commonly used in many electrical and electronic applications, including power converters, switching circuits, power distribution systems, and circuit protection.The STTA512B is a single-diode rectifier which is a widely used component of the power supply circuit. It offers improved performance compared to other kinds of rectifier diodes. It is widely used in medium to high-current applications and offers a wide range of the operating voltage.

STTA512B: Application Field

The STTA512B single-diode rectifier is widely used for various applications such as power conversion, power distribution, AC-DC, and DC-AC power supply circuits. For power conversion, it is used for controlling the conversion of AC power to DC power and vice versa. It also provides control in bidirectional power-flow. In power distribution systems, the STTA512B single-diode rectifier is used to provide voltage regulation and power factor regulation. In AC-DC and DC-AC power supply circuits, the STTA512B can be used to convert AC voltage and current to DC voltage and current, and vice versa. The STTA512B is also used in high-voltage circuit protection and motor control. It is mostly used for the protection of high-voltage circuits from short-circuits, voltage spikes, and failures.

STTA512B: Working Principle

The STTA512B single-diode rectifier works on the principle of the MOSFET device. It operates as a switch, where the electrical current is allowed to flow in one direction while being blocked in the other direction. The STTA512B has three terminals, which are gate (G), drain (D), and source (S). The gate is used to control the current flowing through the device. By controlling the voltage at the gate, the forward voltage is determined. As long as the gate voltage remains below the forward voltage, no current will flow through the MOSFET. The drain is used to control the voltage drop across the device. When a voltage is applied to the drain, the MOSFET will be switched on and current will start to flow through the device. The source is used to connect the device to the circuit and provides the return path for the current flowing through the device. The STTA512B single-diode rectifier can be used for both AC and DC applications. For AC applications, it acts as a rectifier, and for DC applications, it acts as a switch. In both cases, it utilizes the MOSFET device to control the electric current.

Conclusion

The STTA512B single-diode rectifier is a widely used component of the power supply circuit, offering improved performance compared to other kinds of rectifier diodes. It is mostly used for a variety of applications including power conversion, power distribution, AC-DC, and DC-AC power supply circuits and also high-voltage circuit protection. It works on the principle of MOSFET devices, where the gate controls the voltage and current, while the drain and source provide the flow paths.

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