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1SMA5921BT3G

Name: 1SMA5921BT3G
Rating: 4.7 (12 reviews)

DIODE ZENER 6.8V 1.5W SMA

製造商
製造商。部分 #1SMA5921BT3G
包 DO-214AC,SMA
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus	Active
Voltage-Zener(Nom)(Vz)	6.8 V
Tolerance	±5%
Power-Max	1.5 W
Impedance(Max)(Zzt)	2.5 Ohms
Current-ReverseLeakage@Vr	2.5 µA @ 5.2 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 1SMA5921BT3G is a transient voltage suppressor (TVS) diode designed to protect sensitive electronics against overvoltage transients, such as those caused by electrostatic discharge (ESD) and lightning strikes. It features a unidirectional configuration, making it suitable for clamping positive voltage spikes while allowing normal current flow during regular operation. With a breakdown voltage of approximately 21V, the 1SMA5921BT3G can effectively safeguard components in various applications, including consumer electronics, automotive systems, and industrial equipment.
The device is housed in a compact DO-214AC (SMB) package, which facilitates easy integration into circuit boards. It boasts low clamping voltage and fast response time, ensuring minimal disruption to the protected circuit. The 1SMA5921BT3G is particularly valued for its reliability and efficiency in preventing damage to sensitive components, thereby enhancing the longevity and performance of electronic devices.

Features

The 1SMA5921BT3G is a Zener diode designed for voltage regulation applications. Key features include:
- Zener Voltage: Typically rated at 5.1V, providing stable voltage regulation.
- Power Dissipation: Maximum power dissipation of 1W, allowing for effective heat management.
- Package Type: Available in a DO-214AC (SMB) package, facilitating surface mount applications.
- Reverse Voltage: Operates effectively in reverse bias, making it suitable for clamping and protection circuits.
- Temperature Range: Operating temperature range from -55°C to +150°C, ensuring reliability in various environments.
- Low Impedance: Offers low dynamic impedance, enhancing performance in transient conditions.
- Applications: Commonly used in voltage regulation, noise reduction, and circuit protection in consumer electronics, automotive, and industrial equipment.
Overall, the 1SMA5921BT3G is a reliable component for ensuring voltage stability and protection in electronic circuits.

Package

The 1SMA5921BT3G is packaged in a DO-214AC (SMA) package type, which is a surface-mount device (SMD) designed for reliability and performance in various electronic applications.

Pinout

The 1SMA5921BT3G is a transient voltage suppressor (TVS) diode used for protecting sensitive electronic components from voltage spikes. It features a single package with a total of 2 pins.
The primary functions of the pins are as follows:
- Pin 1 (Anode): This is the terminal connected to the ground or the negative side of the circuit. It provides a pathway for current during reverse-biased conditions.

- Pin 2 (Cathode): This terminal is connected to the positive side of the circuit. It is designed to clamp voltage and divert excess energy away from sensitive components during overvoltage events.
The device is designed to operate in various applications, including data lines, power lines, and other sensitive electronics, ensuring circuit protection from transient voltage surges.

Manufacturer

The manufacturer of the 1SMA5921BT3G is Semtech Corporation. Semtech is a global manufacturer of analog and mixed-signal semiconductor products. The company specializes in a variety of applications, including data communication, telecommunications, and industrial automation. Semtech is well-known for its innovations in signal integrity and high-performance analog technologies, as well as for its commitment to providing reliable and efficient solutions for various electronic components. The 1SMA5921BT3G itself is a transient voltage suppressor diode, designed to protect sensitive electronic components from voltage spikes and transients.

Application

The 1SMA5921BT3G is a transient voltage suppressor (TVS) diode used for protecting sensitive electronic components from voltage spikes. Its application areas include automotive electronics, telecommunications equipment, consumer electronics, industrial control systems, and power supply circuits. It helps safeguard devices against electrostatic discharge (ESD) and lightning strikes, ensuring reliable operation and longevity.

Equivalent

The 1SMA5921BT3G is a 1.5W Zener diode with a Zener voltage of 21V. Equivalent products include the 1N5221B, BZV55C21, and the 1N5919B, which offer similar voltage ratings and power handling capabilities. Always verify specifications such as reverse power dissipation and package type before substituting components.