SMBJ12A

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SMBJ12A

TVS DIODE 14VWM 19.9VC DO214AA

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Spezifikationen

Package Tape & Reel (TR)
Series SMBJ
ProductStatus Active
Type Zener
UnidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 14V
Voltage-Clamping(Max)@Ipp 19.9V
Power-PeakPulse 600W
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AA, SMB

Übersicht

Description

SMBJ12A is a Schottky barrier rectifier designed for high-efficiency applications. It is often utilized in power management systems due to its low forward voltage drop and fast switching capabilities. The device typically features a low reverse recovery time, making it suitable for high-frequency applications such as switch-mode power supplies and RF applications.
SMBJ12A can handle a maximum repetitive reverse voltage of 12V and has a forward current rating of around 3A. It is housed in a compact package, which helps in saving space on circuit boards. The device is ideal for protecting sensitive components from voltage spikes and transients, enhancing the reliability of electronic systems. Common applications include power converters, battery chargers, and various consumer electronics. The SMBJ package also provides excellent thermal performance, making it effective for high-temperature environments.
Overall, SMBJ12A is a reliable choice for engineers seeking efficient and compact solutions in their designs.

Features

The SMBJ12A is a unidirectional transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes. Key features include:
1. Working Voltage: The SMBJ12A has a reverse standoff voltage of 12V.
2. Clamping Voltage: It offers low clamping voltage, typically around 20.5V at the peak pulse current.
3. Peak Power Rating: It can handle a peak power dissipation of 400W (for 8/20μs waveform).
4. Capacitance: It has low capacitance, typically around 150pF, making it suitable for high-speed applications.
5. Package Type: The diode comes in a surface-mount package (DO-214AA), facilitating space-saving designs.
6. Temperature Range: It operates over a wide temperature range from -55°C to +150°C.
7. Compliance: The device is RoHS compliant, ensuring it meets environmental regulations.
Overall, the SMBJ12A is ideal for protecting automotive, telecommunications, and consumer electronics applications from ESD and other transient events.

Package

The SMBJ12A is typically packaged in a DO-214AA (SMB) surface mount package. This package type is designed for efficient heat dissipation and is suitable for various applications, including voltage regulation and protection in electronic circuits.

Pinout

The SMBJ12A is a surface-mount bidirectional transient voltage suppressor (TVS) diode, typically used for ESD and surge protection in electronic circuits. It comes in a DO-214AA package (SMB form factor) with a total of 2 pins. The pins are used for connecting the device in parallel with the load that requires protection against voltage spikes.
Functionally, the SMBJ12A clamps the voltage to a specified level when the transient voltage exceeds its breakdown voltage, which is around 12V. This helps to prevent damage to sensitive electronic components from over-voltage events. It provides a fast response time and low clamping voltage, making it suitable for applications in telecommunications, consumer electronics, and automotive systems.

Manufacturer

The SMBJ12A is a transient voltage suppressor (TVS) diode manufactured by various semiconductor companies, including Littelfuse, Vishay, and Diodes Incorporated. These companies specialize in producing electronic components and solutions, focusing on protecting circuits from voltage spikes, ensuring reliability in electronic devices. Littelfuse, for instance, is known for its circuit protection products, while Vishay is a major player in semiconductor and passive components. Diodes Incorporated also provides a wide range of electronic components, including diodes, rectifiers, and TVS devices. These companies serve various markets, including automotive, industrial, consumer electronics, and telecommunications.

Application

SMBJ12A is a bidirectional TVS (transient voltage suppressor) diode primarily used for protecting sensitive electronic components from voltage spikes. Its application areas include telecommunications, consumer electronics, automotive systems, and industrial equipment. It is effective in safeguarding circuits against electrostatic discharge (ESD), lightning strikes, and other transient over-voltage events, ensuring reliable operation and longevity of devices.

Equivalent

The SMBJ12A is a bidirectional TVS (Transient Voltage Suppressor) diode that clamps voltage spikes. Equivalent products include the SM12A, SMBJ12A-13, and other 12V TVS diodes with similar specifications, such as the PTVS12-12 and the PESD12VW. Always verify the datasheet for exact electrical characteristics and package types to ensure compatibility.

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