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SMBJ28A

Name: SMBJ28A
Rating: 4.7 (12 reviews)

TVS DIODE 32.8VWM 45.4VC DO214AA

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製造商。部分 #SMBJ28A
包 DO-214AA
資料表 SMBJ28A DataSheet
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規格

Package	Tape & Reel (TR)
Series	SMBJ
ProductStatus	Active
Type	Zener
UnidirectionalChannels	1
Voltage-ReverseStandoff(Typ)	32.8V
Voltage-Clamping(Max)@Ipp	45.4V
Power-PeakPulse	600W
Applications	General Purpose
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	DO-214AA, SMB

概述

Description

SMBJ28A is a bi-directional transient voltage suppression (TVS) diode designed to protect sensitive electronic components from voltage spikes. It is part of the SMBJ series, which is known for its reliability and effectiveness in clamping transient voltages. The SMBJ28A specifically has a breakdown voltage of 28V, making it suitable for applications requiring over-voltage protection in circuits operating at or below this voltage level.
The device features a low clamping voltage, fast response time, and high surge capability, making it ideal for protecting against ESD (electrostatic discharge) and other voltage transients. It is available in a surface-mount package, which facilitates easy integration into various electronic systems. Common applications include consumer electronics, telecommunications, automotive systems, and industrial equipment. By using SMBJ28A, designers can enhance circuit robustness and longevity.

Features

The SMBJ28A is a bidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes. Key features include:
1. Reverse Working Voltage: 28V, ensuring effective clamping of overvoltage transients.
2. Power Rating: 600W peak pulse power (for 8/20 µs wave), providing robust protection against transients.
3. Low Clamping Voltage: Limits the voltage during transient events, protecting downstream components.
4. Fast Response Time: Quick reaction to voltage spikes, minimizing potential damage.
5. Package Type: Available in a DO-214AA (SMB) package, suitable for surface mount applications.
6. Temperature Range: Operates typically within -55°C to +150°C, ensuring reliability in various environments.
7. Bidirectional Operation: Protects both polarities, making it versatile for AC and DC applications.
These features make the SMBJ28A ideal for applications in telecommunications, computer equipment, and consumer electronics where overvoltage protection is crucial.

Package

The SMBJ28A is typically packaged in a DO-214AA (SMB) package type. This surface-mount package is designed for general-purpose rectification and surge protection applications.

Pinout

The SMBJ28A is a transient voltage suppressor (TVS) diode and is part of the SMBJ series. It has a standard DO-214AA package with a pin count of 2. The device is designed to protect sensitive electronic components from voltage spikes by clamping excess voltage to a safe level.
The main function of the SMBJ28A is to provide over-voltage protection for components in various applications, including automotive, industrial, and consumer electronics. Its breakdown voltage is rated at approximately 28V, making it suitable for clamping voltage transients in circuits operating below this level. The SMBJ28A is characterized by its fast response time and low clamping voltage, ensuring effective protection against high-energy surges such as electrostatic discharge (ESD) and lightning strikes.

Manufacturer

The SMBJ28A is manufactured by various electronic component companies, with notable manufacturers including ON Semiconductor, Littelfuse, and Bourns. These companies specialize in producing a wide range of electronic components, including semiconductor devices, circuit protection solutions, and other electronic parts. They serve diverse industries such as automotive, telecommunications, consumer electronics, and industrial applications, providing components essential for electronics design and manufacturing. Their products are widely used for voltage regulation and protection in circuits, making them integral to modern electronic systems.

Application

The SMBJ28A is a unidirectional TVS (Transient Voltage Suppressor) diode primarily used for protecting sensitive electronic components from voltage transients and surges. Its application areas include over-voltage protection in power supplies, automotive electronics, communication equipment, consumer electronics, and industrial automation systems. It safeguards circuits by clamping transient voltages to safe levels, enhancing reliability and longevity of devices.

Equivalent

The SMBJ28A is a 28V unidirectional TVS diode. Equivalent products include the following:
1. SMBJ28CA - Same specifications with different packaging.
2. ESMBJ28A - Similar voltage and power ratings.
3. 1N6263 - Comparable clamping voltage and breakdown characteristics.
4. PESD28V - Similar ESD protection features.
Always verify specifications before substitution, as variations may exist in breakdown voltage, power dissipation, and clamping characteristics.