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1SMB5921BT3G

Name: 1SMB5921BT3G
Rating: 4.7 (12 reviews)

DIODE ZENER 6.8V 3W SMB

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製造商。部分 #1SMB5921BT3G
包 SMB-2
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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	3 W
Impedance(Max)(Zzt)	2.5 Ohms
Current-ReverseLeakage@Vr	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-214AA, SMB

概述

Description

The 1SMB5921BT3G is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes. This device is typically used in applications where overvoltage protection is crucial, such as in automotive, telecommunications, and consumer electronics.
Key features of the 1SMB5921BT3G include a breakdown voltage of approximately 21 volts, low clamping voltage, and fast response time. It is constructed in a surface mount package, making it suitable for automated assembly processes. The device offers excellent thermal stability and can handle high surge currents, ensuring reliable performance even in harsh environments.
The 1SMB5921BT3G is part of the SMB series, providing a robust solution for protecting against electrostatic discharge (ESD) and other transient overvoltage events. Its compact size and effective voltage clamping make it an ideal choice for engineers looking to enhance the reliability and longevity of their electronic designs.

Features

The 1SMB5921BT3G is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes. Key features include:
- Unidirectional Configuration: It is suitable for protecting DC applications.
- Voltage Rating: The breakdown voltage is approximately 21V, making it ideal for protecting circuits with nominal voltage levels up to this range.
- Power Dissipation: It can handle a peak power dissipation of 600W (for a duration of 1ms), allowing it to absorb significant energy from transient events.
- Low Clamping Voltage: The device provides a low clamping voltage, minimizing the risk of damage to connected components.
- Fast Response Time: The TVS diode reacts quickly to transients, ensuring effective protection.
- Surface Mount Package: Available in the DO-214AA (SMB) package, facilitating compact designs and ease of PCB mounting.
Overall, the 1SMB5921BT3G is ideal for automotive, industrial, and consumer electronics applications where over-voltage protection is critical.

Package

The 1SMB5921BT3G is packaged in a DO-214AA (SMB) surface mount package. This package type is commonly used for transient voltage suppression applications, providing efficient thermal performance in a compact design.

Pinout

The 1SMB5921BT3G is a Zener diode packaged in a DO-214AA (SMB) surface-mount configuration. It has a total of two pins. The primary function of this component is to provide voltage regulation and overvoltage protection in electronic circuits. It is designed to clamp voltage and maintain a stable output, protecting sensitive devices from voltage spikes. The Zener voltage for the 1SMB5921BT3G is typically 12V, with a maximum power dissipation of 1.5W. The diode features a fast response time and low dynamic impedance, making it suitable for various applications in power supplies, voltage regulation, and transient voltage suppression.

Manufacturer

The manufacturer of the 1SMB5921BT3G is Nexperia. Nexperia is a global semiconductor company that specializes in the design and production of discrete, logic, and MOSFET components. The company focuses on providing high-quality products for a variety of applications, including automotive, industrial, and consumer electronics. Nexperia was formed in 2017 as a spin-off from NXP Semiconductors and has established itself as a key player in the semiconductor industry, known for its efficiency and reliability in manufacturing processes.

Application

The 1SMB5921BT3G is a Schottky diode used primarily for voltage regulation and protection in electronic circuits. Its application areas include power supplies, surge protection, automotive electronics, and various consumer electronics. It is suitable for clamping and bypassing in high-frequency switching applications, as well as for use in LED lighting, telecommunications, and industrial equipment.

Equivalent

The 1SMB5921BT3G is a Zener diode with a reverse voltage of 21V. Equivalent products include the 1N5885B, BZX55C21, and BZX55C21-TR. These components may vary in power dissipation and package types, so check specifications for compatibility in your application.