TPSMC47A

Voltage - Clamping (Max) @ Ipp:	64.8V
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	23.5A
Series:	Automotive, AEC-Q101, TPSMC
Voltage - Breakdown (Min):	44.7V
Voltage - Reverse Standoff (Typ):	40.2V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TPSMC47A Application Field and Working Principle

TVS (Transient Voltage Suppression) Diodes protect sensitive electronics from voltage spikes that can damage electrical components. The TPSMC47A is a unidirectional surface mount TVS diode designed to protect against voltage transients generated by electrostatic discharge (ECD), cable discharge events (CDE) and lightning.

Introduction

The TPSMC47A is a diode that provides protection up to 10 kilowatts of power which is enough to cover applications with high speed data buses (HDD, SSD). It is a unidirectional device suitable for surface mounting, it also has an incredibly small, lead-free surface-mount package designed for optimal performance in small and tight spaces. The success of this product is due to its low clamping voltage, robust surge capability and low leakage current.

Applications

The usage of the TPSMC47A is most often found in the industrial, automotive, networking, telecoms, consumer, medical and aerospace industries. Its broad range of application areas includes:

• Industrial equipment and motor controls
• Computer peripherals
• Telecommunications systems
• High speed data buses (HDD, SSD)
• Medical equipment
• Consumer electronics
• Automotive systems
• Sensors, circuits and signal lines
• Aerospace systems and satellites

Advantages

The TPSMC47A is a very efficient and reliable device that offers several advantages over other TVS diodes. Because it is a unidirectional diode, it offers superior circuit protection by reducing the risk of reverse polarity. Additionally, its high quality construction allows for great power efficiency and increased service life. The device also comes with a wide operating temperature range and a low leakage current which makes it suitable for critical, high-speed applications.

Working Principle

The TPSMC47A is a Transient Voltage Suppression (TVS) diode that operates by clamping the voltage to a specified level when an overvoltage transient occurs. It operates by providing a low-impedance path for current to flow when a voltage spike is detected, thus suppressing it and limiting the amount of energy that is able to reach electronic components.When no transient voltage is present, the diode will remain open and will not affect existing signals passing through it. When an overvoltage event occurs, the diode will clamp the voltage, allowing it to flow through the diode and not to the connected component.

Conclusion

The TPSMC47A is a unidirectional surface mount TVS diode designed to protect against voltage transients generated by electrostatic discharge (ECD), cable discharge events (CDE) and lightning. It is a perfect choice for applications requiring reliable protection from large voltage spikes. With its low clamping voltage, robust surge capability and low leakage current, TPSMC47A can protect important components from damage while having minimal impact on high-speed signals.

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