SMBJ40ATR

Product Overview

The SMBJ40ATR belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used to protect sensitive electronic components from voltage spikes and transients. The SMBJ40ATR is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface-mount package and is available in various quantities to suit different application needs.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: Surface-mount
• Essence: Protecting sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, with various quantity options

Specifications

• Voltage - Reverse Standoff (Typ): 40V
• Power (Watts): 600W
• Polarity: Unidirectional
• Operating Temperature: -55°C to 150°C
• Mounting Type: Surface Mount
• Package / Case: DO-214AA (SMB)

Detailed Pin Configuration

The SMBJ40ATR typically features two pins for surface mounting onto a printed circuit board. The pin configuration is as follows: 1. Pin 1: Anode 2. Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage spikes.
• Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to connected devices.
• Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact surface-mount package
• Wide operating temperature range

Disadvantages

• Unidirectional protection only
• Limited power dissipation capability compared to some larger TVS diodes

Working Principles

When a voltage transient occurs, the SMBJ40ATR conducts current to divert the excess energy away from the sensitive components it is protecting. This action limits the voltage across the protected circuit, preventing damage to downstream electronics.

Detailed Application Field Plans

The SMBJ40ATR is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ5.0A: 5.0V reverse standoff voltage, 600W power rating
• SMBJ12CA: 12V reverse standoff voltage, 600W power rating
• SMBJ24A: 24V reverse standoff voltage, 600W power rating
• SMBJ58CA: 58V reverse standoff voltage, 600W power rating

In conclusion, the SMBJ40ATR transient voltage suppressor diode offers effective protection against voltage spikes and transients in a compact surface-mount package, making it suitable for a wide range of electronic applications.

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