SMBJ30A

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SMBJ30A

+BOM

TVS DIODE 35.1VWM 48.4VC DO214AA

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Specifications

Attribute Value
Package Tape & Reel (TR)
Series SMBJ
ProductStatus Active
Type Zener
UnidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 35.1V
Voltage-Clamping(Max)@Ipp 48.4V
Power-PeakPulse 600W
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AA, SMB

Overview

Description

The SMBJ30A is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes and transients. It is part of the SMBJ series, which is well-suited for use in applications like power supplies, data lines, and telecommunications equipment, where voltage regulation is crucial for device reliability.
The "30A" in its name signifies that it is designed to handle a reverse standoff voltage of 30 volts. This diode operates in the surface-mount SMB package, making it an ideal choice for compact and high-density PCB designs. The TVS diode has a fast response time, typically within picoseconds, allowing it to effectively clamp transient voltages and prevent them from reaching levels that could damage electronic circuits.
Key specifications include a peak pulse power dissipation of 600 watts, low leakage current, and excellent clamping capability. Its robust design also ensures stability over a wide temperature range, making it a dependable choice for protecting devices in various environments.

Equivalent

The SMBJ30A is a Transient Voltage Suppressor (TVS) diode. Equivalent products include:
1. Vishay SMBJ30A
2. Littelfuse SMBJ30A
3. ON Semiconductor SMBJ30A
4. Bourns SMBJ30A
5. STMicroelectronics SMAJ30A (slightly different package)
These equivalents maintain similar electrical characteristics but may vary by manufacturer. Always verify datasheets for precise specifications and package compatibility.

Features

The SMBJ30A is a TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronic equipment from voltage spikes and transients. Here are its key features:
1. Voltage Rating: It has a standoff voltage (V_RWM) of 30V, with a breakdown voltage range from 33.3V to 36.8V.
2. Power Dissipation: Capable of handling a peak pulse power dissipation of 600 watts at a 10/1000 μs waveform.
3. Response Time: Fast response time, typically less than 1 picosecond from 0 volts to the breakdown voltage.
4. Wavelength: Uni-directional configuration.
5. Package Type: Available in an SMB (DO-214AA) surface-mount package, offering ease of installation in PCB designs.
6. Clamping Voltage: Maximum clamping voltage of 48.4V at a peak pulse current of 12.4A.
7. Operating Temperature: Wide operating junction temperature range from -55°C to +150°C.
8. RoHS Compliant: Environmentally friendly, meeting various regulatory compliance standards.
These features make the SMBJ30A suitable for protecting circuits in various electronic applications, including consumer electronics, automotive, and industrial equipment.

Pinout

The SMBJ30A is a transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage spikes. It typically comes in an SMB (DO-214AA) package. The SMBJ30A has two pins: an anode and a cathode. The main function of the SMBJ30A is to clamp voltage spikes and prevent them from damaging sensitive components in electronic circuits. It provides a reverse standoff voltage of 30 volts and can handle peak pulse power dissipation of up to 600 watts (10/1000 µs waveform).

Manufacturer

The SMBJ30A is a type of Transient Voltage Suppressor (TVS) diode, and it is manufactured by several companies in the electronics industry. Two of the primary manufacturers include Littelfuse and STMicroelectronics.
Littelfuse is an American company that provides circuit protection products, power control, and sensing technologies. It operates in various sectors, including automotive, industrial, and electronics. Littelfuse is well-known for its protective solutions that enhance safety and reliability in electronics.
STMicroelectronics, on the other hand, is a multinational electronics and semiconductor manufacturer headquartered in Switzerland. It produces a wide range of products, including microcontrollers, sensors, and power management components, serving industries like automotive, industrial, and personal electronics.
Both companies are leaders in the semiconductor industry and supply components that ensure the protection and efficiency of electronic circuits.

Application

The SMBJ30A is a transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage spikes and transients. Its primary application areas include:
1. Telecommunications: Protects interfaces and power supply lines from ESD and other transients.
2. Consumer Electronics: Shields sensitive components in devices like TVs, computers, and gaming consoles.
3. Industrial Equipment: Safeguards motors and control circuits from electrical transients.
4. Automotive Systems: Offers protection for electronic control units (ECUs) from load dump and other disturbances.
5. Power Supplies: Ensures the stability of AC/DC and DC/DC converters by mitigating voltage spikes.
These applications leverage the SMBJ30A's fast response time and low clamping voltage to enhance circuit reliability.

Package

The SMBJ30A is a TVS (Transient Voltage Suppressor) diode with a DO-214AA package, commonly referred to as the SMB (Surface Mount Board) package.

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