SMBJ18CA-TR

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SMBJ18CA-TR

+BOM

TVS DIODE 18VWM 29.2VC SMB

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
Series SMBJ, TRANSIL™
ProductStatus Active
Type Zener
BidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 18V
Voltage-Breakdown(Min) 20V
Voltage-Clamping(Max)@Ipp 29.2V
Current-PeakPulse(10/1000µs) 21.5A
Power-PeakPulse 600W
PowerLineProtection No
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AA, SMB

Tổng quan

Description

The SMBJ18CA-TR is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage spikes induced by lightning or other transient voltage events. It is part of the SMBJ series, which is housed in a DO-214AA (SMBJ) package. The "18CA" in the part number indicates its breakdown voltage, which is typically around 18 volts. The "C" denotes a bidirectional (two-way) configuration, capable of handling both positive and negative voltage transients.
Key features include a peak pulse power capability of 600 watts (10/1000µs waveform), fast response time, low clamping voltage, and excellent clamping capability to divert surge currents away from delicate components. The device is widely used in various applications, including telecommunications, automotive, industrial, and consumer electronics, to enhance the robustness and reliability of electronic circuits. The suffix "TR" signifies that the component is supplied in a tape and reel format, suitable for automated pick-and-place assembly processes.

Equivalent

The SMBJ18CA-TR is a transient voltage suppressor diode. Equivalent products may include:
1. Littelfuse SMBJ18CA
2. Vishay SMBJ18CA
3. ON Semiconductor SMBJ18CA
4. Bourns SMAJ18CA
5. STMicroelectronics SMBJ18CA
Ensure that specifications such as breakdown voltage, peak pulse power, and package type match when considering equivalents. Always check the datasheet to verify compatibility.

Features

The SMBJ18CA-TR is a surface-mount Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients induced by lightning and other transient voltage events. Key features include:
1. Voltage Rating: It has a stand-off voltage of 18V and can handle higher transient events with a breakdown voltage typically above this level.
2. Power Dissipation: The device offers a peak pulse power dissipation of 600 watts (10/1000µs waveform), providing robust protection against high-energy transients.
3. Polarity: It is a bidirectional device, meaning it can clamp voltage spikes in both positive and negative directions.
4. Package: Supplied in an SMB (DO-214AA) surface-mount package, it is suitable for compact and dense circuit board layouts.
5. Clamping Voltage: The clamping voltage is typically low, ensuring effective suppression of voltage spikes.
6. Response Time: Fast response time, usually in the picosecond range, ensuring quick and effective transient suppression.
7. Temperature Range: Operates over a wide temperature range, which is suitable for various environmental conditions.
These features make the SMBJ18CA-TR ideal for protecting power buses, communication lines, and other critical circuit pathways.

Pinout

The SMBJ18CA-TR is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by inductive load switching and lightning. It is part of the SMB (DO-214AA) package family.
The pin count for the SMBJ18CA-TR is two. As a diode, it has an anode and a cathode. The cathode is usually marked on the package with a band, and the anode is the other terminal.
The main function of the SMBJ18CA-TR is to clamp voltage spikes to a safe level, thereby protecting downstream components in the circuit. It is capable of absorbing high surge currents and dissipating energy to prevent damage to the electronic system. The "18CA" part of the designation indicates that it is a bidirectional device with a breakdown voltage of approximately 18 volts. The "CA" signifies that it can handle bidirectional protection.
In summary, this component is essential for safeguarding electronic circuits from overvoltage conditions.

Manufacturer

The SMBJ18CA-TR is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer headquartered in Geneva, Switzerland. The company specializes in a wide range of semiconductor and electronic components, including microcontrollers, MEMS sensors, power transistors, and integrated circuits. With a focus on innovation and sustainability, STMicroelectronics serves diverse markets such as automotive, industrial, personal electronics, and communications equipment.

Application

The SMBJ18CA-TR is a transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes and electrostatic discharge (ESD). Its application areas include:
1. Telecommunications: Protecting communication equipment from lightning-induced surges and transient voltage events.
2. Automotive Electronics: Safeguarding vehicle electronic systems against load dump transients and ESD.
3. Consumer Electronics: Shielding devices like smartphones, tablets, and PCs from sudden voltage spikes.
4. Industrial Equipment: Guarding industrial control systems and machinery from electrical surges.
5. Power Supplies: Ensuring stable operation by preventing voltage transients in power supply circuits.
Its compact surface-mount package makes it suitable for high-density circuit board designs.

Package

The SMBJ18CA-TR is a surface-mount TVS (Transient Voltage Suppressor) diode packaged in the DO-214AA (SMB) form factor. This package type is compact, suitable for automated assembly lines, and designed to protect sensitive electronic equipment from voltage transients induced by inductive load switching and lightning.

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