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1SMA5918BT3G

Name: 1SMA5918BT3G
Rating: 4.7 (12 reviews)

DIODE ZENER 5.1V 1.5W SMA

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製造商。部分 #1SMA5918BT3G
包 SMA-2
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus	Active
Voltage-Zener(Nom)(Vz)	5.1 V
Tolerance	±5%
Power-Max	1.5 W
Impedance(Max)(Zzt)	4 Ohms
Current-ReverseLeakage@Vr	2.5 µA @ 2 V
Voltage-Forward(Vf)(Max)@If	1.5 V @ 200 mA
OperatingTemperature	-65°C ~ 150°C
MountingType	Surface Mount
Package/Case	DO-214AC, SMA

概述

Description

The 1SMA5918BT3G is a surface mount transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes and transients. It belongs to the SMA series, featuring a maximum breakdown voltage of around 18V and a power rating of 600W (for a 10/1000μs waveform). This device provides unidirectional protection, making it suitable for applications where polarity is important.
The 1SMA5918BT3G is commonly used in automotive, industrial, and consumer electronic applications to safeguard against electrostatic discharge (ESD) and other voltage transients. Its low clamping voltage and fast response time enhance circuit reliability by effectively shunting excess voltage away from sensitive components.
The diode’s compact surface mount package (SMA) allows for efficient PCB design, saving space while ensuring thermal performance. Overall, the 1SMA5918BT3G is a reliable solution for protecting electronic circuits from damaging voltage spikes.

Features

The 1SMA5918BT3G is a bidirectional TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronic components from voltage spikes. Key features include:
- Voltage Rating: It has a breakdown voltage range of 15.7V to 17.5V, making it suitable for applications involving over-voltage protection.
- Peak Power Dissipation: The device can handle a peak power of up to 600W (for 8/20 µs waveform), ensuring robust protection in surge conditions.
- Low Clamping Voltage: It offers low clamping voltage, which minimizes the risk of damage to sensitive components during transient events.
- Package Type: Available in the DO-214AA (SMB) package, it facilitates easy integration into various circuit designs.
- Applications: Ideal for ESD protection in communication lines, automotive electronics, and consumer electronics.
This diode is commonly used in applications where circuit integrity and reliability are crucial, providing enhanced protection against transients and voltage spikes.

Package

The 1SMA5918BT3G is packaged in a DO-214AA (SMB) package type. This is a surface mount package designed for diode applications, providing a compact size and efficient thermal performance.

Pinout

The 1SMA5918BT3G is a transient voltage suppressor (TVS) diode in a DO-214AA (SMA) package. It has a total of 2 pins. The function of this device is to protect sensitive electronic components from overvoltage transients, such as those caused by electrostatic discharge (ESD) or lightning strikes.
The two pins are typically used as follows:
- Pin 1 (Anode): Connects to the ground or lower voltage side of the circuit.
- Pin 2 (Cathode): Connects to the higher voltage side, providing a clamping effect to divert excess voltage away from the protected component.
The device is designed to operate effectively in applications requiring robust protection against voltage spikes, ensuring device reliability and longevity.

Manufacturer

The manufacturer of the 1SMA5918BT3G is ON Semiconductor. ON Semiconductor is a global semiconductor company that specializes in designing and manufacturing a wide range of semiconductor components. Their product offerings include analog, discrete, and power management solutions, catering to various industries such as automotive, industrial, communications, consumer electronics, and computing. The company focuses on energy-efficient solutions and advanced technologies, contributing to a diverse ecosystem of electronic devices and systems. Established in 1999 and headquartered in Phoenix, Arizona, ON Semiconductor has a significant presence in the semiconductor market, offering innovative products and fostering sustainability in electronic design.

Application

The 1SMA5918BT3G is a transient voltage suppressor (TVS) diode used for overvoltage protection in various applications. Its primary areas include automotive electronics, telecommunications, consumer electronics, and industrial equipment. It protects sensitive components from voltage spikes caused by ESD, lightning, or inductive load switching, ensuring reliable operation and longevity of devices.

Equivalent

The equivalent products for the 1SMA5918BT3G chip, which is a Zener diode, include the 1N5918B, 1N5918BRLG, and 1N3827B. These products have similar specifications in terms of Zener voltage and power ratings. Always verify the exact specifications and package types before substitution to ensure compatibility in your application.