STTH30R06CW

Series:	--
Packaging:	Tube
Part Status:	Active
Diode Configuration:	1 Pair Common Cathode
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	600V
Current - Average Rectified (Io) (per Diode):	15A
Voltage - Forward (Vf) (Max) @ If:	2.9V @ 15A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	50ns
Current - Reverse Leakage @ Vr:	60µA @ 600V
Operating Temperature - Junction:	175°C (Max)
Mounting Type:	Through Hole
Package / Case:	TO-247-3
Supplier Device Package:	TO-247-3

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STTH30R06CW Application Field and Working Principle

Introduction

The STTH30R06CW is a three-phase, full-bridge rectifier module. It is a part of the STMicroelectronics STTH30 series, which includes low-voltage rectifier diodes for power electronics applications. The STTH30R06CW is a silicon-controlled rectifier (SCR) module and consists of a configuration of three Silicon-Controlled Rectifier (SCR) chips in the same package. The STTH30R06CW is a high-efficiency, high-current-capable, and low-profile device for high- power-density applications, suitable for high-frequency conversion.

Application Field

The STTH30R06CW is designed for three-phase power applications, such as motor drives, inverters, UPS systems, and power supplies. It can be used to convert either single-phase or three-phase AC input into DC output. It works particularly well in applications that require high-speed operation and high peak current, such as AC servo motor drives and PWM automotive LED lighting. Due to its efficient operation, the STTH30R06CW can be used in power supplies in laptop and desktop computers, automotive applications, and industrial automation equipment. Additionally, because of its fast switching time, the STTH30R06CW can be used in high-frequency AC-DC converters, such as frequency converters and switched-mode power supplies.

Working Principle

The STTH30R06CW is a full-bridge rectifier module which operates on the principle of rectifying alternating current (AC) into direct current (DC) power. The module consists of three SCR chips connected in parallel, with each SCR chip containing two SCRs connected in reverse parallel. Each SCR chip is connected across one of the three AC input phases. When the AC input voltage reaches the SCR turn-on voltage, the SCRs switch on, allowing the input current to flow to the output and thus rectifying the AC input voltage.The STTH30R06CW also has built-in inverse-parallel fast-and-slow current-limiting diodes. When the SCRs turn on, the current-limiting diodes activate, diverting the current away from the SCRs, limiting the current through the SCRs. The fast-and-slow diodes also limit the power dissipation by slowly reducing the current through the SCRs. When the current in the circuit exceeds the fast diodes’ current limit, the fast diodes activate, diverting all excess current away from the SCRs.

Conclusion

The STTH30R06CW is a high-efficiency, high-current-capable, and low-profile rectifier module for power electronics applications. It is designed for three-phase power applications, such as motor drives, inverters, UPS systems, and power supplies. It operates on the principle of rectifying alternating current (AC) into direct current (DC) power and is also equipped with current-limiting diodes that protect the SCRs from reverse overload and power dissipation. The STTH30R06CW is well-suited for frequency converters and switched-mode power supplies due to its fast switching time.

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