SM6T39A

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SM6T39A

+BOM

TVS DIODE 33.3VWM 69.7VC SMB

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Specifications

Attribute Value
Supplier STMicroelectronics
Package Tape & Reel (TR),Cut Tape (CT)
Series SM6T, TRANSIL™
ProductStatus Active
Type Zener
UnidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 33.3V
Voltage-Breakdown(Min) 37.1V
Voltage-Clamping(Max)@Ipp 69.7V
Current-PeakPulse(10/1000µs) 57A (8/20µs)
Power-PeakPulse 600W
PowerLineProtection No
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AA, SMB

Overview

Description

The SM6T39A is a type of Transil (Transient Voltage Suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning or other transient voltage events. It is part of the SM6T series, known for providing unidirectional protection. The SM6T39A is specifically rated for a breakdown voltage of 39 volts, making it suitable for applications requiring this level of protection.
Key features of the SM6T39A include its high surge capability with a peak pulse power of 600 watts (10/1000μs waveform), low clamping voltage, and fast response time, which is crucial for preventing damage to circuits during transient events. It is commonly used in telecommunications, automotive, and industrial applications where robust surge protection is necessary.
The diode is housed in a DO-214AA (SMB) package, ensuring compatibility with automated assembly equipment. Its compact form factor allows for easy integration into circuit designs without significantly impacting the overall size of the device. Overall, the SM6T39A provides an efficient solution for protecting circuits from high-energy transients.

Equivalent

The SM6T39A chip is a transient voltage suppressor (TVS) diode. Equivalent products include the Littelfuse 1.5SMC39A, NXP Semiconductor P6SMB39A, and the Diodes Incorporated SMCJ39A. These components serve similar purposes in protecting electronic circuits from voltage spikes and are typically used in applications requiring robust over-voltage protection. Always verify specific electrical characteristics and packaging requirements to ensure compatibility with your design.

Features

The SM6T39A is a unidirectional Transil diode designed for transient voltage suppression (TVS). Key features include:
1. Peak Pulse Power: It can handle a peak pulse power of 600 watts for 10/1000 µs waveforms, making it suitable for protecting sensitive electronics from high-voltage transients.
2. Stand-off Voltage: The device has a stand-off voltage of 39V, meaning it begins to conduct and clamp voltage spikes above this level.
3. Low Clamping Voltage: It offers a low clamping voltage to minimize residual voltage during a transient event, providing better protection for downstream components.
4. Fast Response Time: The SM6T39A features fast response times, typically less than 1 picosecond, ensuring rapid protection against voltage surges.
5. Unidirectional Protection: This diode provides protection in one direction, making it ideal for circuits where only one-way protection is needed.
6. Compact Package: It is available in a DO-214AA (SMB) package, which is compact, making it suitable for space-constrained applications.
These features make the SM6T39A ideal for protecting communication lines, power supplies, and other electronic circuits from transient overvoltages.

Pinout

The SM6T39A is a unidirectional Transil™ transient voltage suppressor (TVS) diode. It is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning, as well as electrostatic discharge (ESD).
The device typically comes in a DO-214AA (SMB) package, which is a two-pin configuration: an anode and a cathode. The pin count is 2.
Key features include:
- Breakdown voltage: Around 39V
- Peak pulse power: 600W (10/1000µs waveform)
- Stand-off voltage: 33.3V
The device is primarily used for surge protection in various applications like telecommunications and computer systems.

Manufacturer

The SM6T39A is manufactured by STMicroelectronics. STMicroelectronics is a leading global semiconductor company that designs, develops, manufactures, and markets a broad range of products, including microcontrollers, sensors, power management devices, and discrete components like the SM6T39A. The company serves various industries, including automotive, industrial, personal electronics, communications equipment, and computers. STMicroelectronics is known for its innovation and commitment to sustainability, providing technologies that enable smart driving, the Internet of Things (IoT), and energy efficiency.

Application

The SM6T39A is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage spikes and transients. Its primary application areas include:
1. Telecommunications: Protecting communication lines from lightning-induced surges.
2. Consumer Electronics: Safeguarding devices like TVs, computers, and gaming consoles.
3. Automotive Electronics: Shielding automotive electronic systems from transient voltage spikes.
4. Industrial Equipment: Ensuring the safety of machinery control systems and sensors.
5. Power Supplies: Protecting AC/DC converters and power distribution units.
Overall, it is used wherever protection against voltage transients is crucial.

Package

The SM6T39A is a transient voltage suppressor (TVS) diode with a DO-214AA (also known as SMA) package type. This surface-mount package is designed for protecting sensitive electronics against voltage transients induced by inductive load switching and lightning, offering a compact form factor suitable for various electronic applications.

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