SMBJ51A-M3/5B

Product Overview

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

Characteristics

Low clamping voltage
Fast response time
High surge capability
RoHS compliant

Package

The SMBJ51A-M3/5B is available in a DO-214AA (SMB) package.

Essence

The essence of the SMBJ51A-M3/5B lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The SMBJ51A-M3/5B is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

Standoff Voltage: 51V
Breakdown Voltage: 56.7V
Maximum Clamping Voltage: 82.4V
Peak Pulse Current: 30A
Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ51A-M3/5B has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

Bi-directional TVS diode
Low incremental surge resistance
ESD protection up to 30kV (contact discharge)

Advantages

Fast response time protects against transient voltage events
High surge capability ensures robust protection
RoHS compliance aligns with environmental regulations

Disadvantages

May exhibit leakage current at high temperatures
Limited to specific voltage ratings

Working Principles

When a transient voltage surge occurs, the SMBJ51A-M3/5B conducts the excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMBJ51A-M3/5B is commonly used in the following applications: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ51A-M3/5B include: - SMAJ series - SMCJ series - P6KE series

In conclusion, the SMBJ51A-M3/5B transient voltage suppressor diode offers reliable overvoltage protection with its fast response time, high surge capability, and bi-directional TVS functionality. While it may have limitations such as leakage current at high temperatures and specific voltage ratings, its use in various applications makes it a valuable component in safeguarding electronic circuits.

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技術ソリューションにおける SMBJ51A-M3/5B の適用に関連する 10 件の一般的な質問と回答をリストします。

What is the SMBJ51A-M3/5B?
- The SMBJ51A-M3/5B is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
What is the maximum peak pulse power of the SMBJ51A-M3/5B?
- The maximum peak pulse power for the SMBJ51A-M3/5B is 600 watts for an 8/20µs waveform.
What are the typical applications for the SMBJ51A-M3/5B?
- Typical applications for the SMBJ51A-M3/5B include protection of telecommunications equipment, industrial controls, consumer electronics, and automotive systems.
What is the breakdown voltage of the SMBJ51A-M3/5B?
- The breakdown voltage of the SMBJ51A-M3/5B is 51 volts.
What is the operating temperature range of the SMBJ51A-M3/5B?
- The SMBJ51A-M3/5B has an operating temperature range of -55°C to +150°C.
What is the response time of the SMBJ51A-M3/5B?
- The response time of the SMBJ51A-M3/5B is very fast, typically less than 1 picosecond.
Is the SMBJ51A-M3/5B RoHS compliant?
- Yes, the SMBJ51A-M3/5B is RoHS compliant, making it suitable for use in environmentally friendly electronic products.
Can the SMBJ51A-M3/5B be used in high-speed data line protection?
- Yes, the SMBJ51A-M3/5B is suitable for high-speed data line protection due to its fast response time and low clamping voltage.
What is the package type of the SMBJ51A-M3/5B?
- The SMBJ51A-M3/5B is available in a DO-214AA (SMB) package.
Are there any recommended layout considerations when using the SMBJ51A-M3/5B?
- It is recommended to minimize the length and area of the PCB traces connecting the SMBJ51A-M3/5B to the protected circuit and to provide a low impedance path to ground for the best performance.