SMAJ48-E3/61

Product Overview

Category

The SMAJ48-E3/61 belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for voltage clamping and transient surge protection in various electronic circuits and systems.

Characteristics

• Voltage Clamping: The SMAJ48-E3/61 is designed to clamp transient overvoltage events to protect sensitive electronic components.
• Fast Response Time: This device offers a fast response time to transient surges, ensuring minimal impact on the protected circuitry.
• Compact Package: The SMAJ48-E3/61 is available in a compact package, making it suitable for integration into space-constrained designs.
• High Power Dissipation Capability: It possesses high power dissipation capability, enabling it to handle transient surge events effectively.

Package

The SMAJ48-E3/61 is typically available in a surface-mount package, allowing for easy and efficient PCB assembly.

Essence

The essence of this product lies in its ability to safeguard electronic circuits from transient voltage spikes, thereby enhancing the reliability and longevity of electronic systems.

Packaging/Quantity

It is commonly packaged in reels or tubes, with varying quantities based on the manufacturer's specifications.

Specifications

• Part Number: SMAJ48-E3/61
• Type: Unidirectional
• Peak Pulse Power: 400W
• Breakdown Voltage: 48V
• Operating Temperature Range: -55°C to +150°C
• Mounting Type: Surface Mount
• Package/Case: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ48-E3/61 features a standard DO-214AC (SMA) package with two pins. Pin 1 is the anode, while pin 2 serves as the cathode.

Functional Features

• Transient Surge Protection: The device provides effective protection against transient voltage surges, diverting excess energy away from sensitive components.
• Fast Response: Its fast response time ensures rapid clamping of transient voltage spikes, preventing damage to downstream circuitry.
• Low Leakage Current: The device maintains low leakage current during normal operation, minimizing power consumption and heat dissipation.

Advantages and Disadvantages

Advantages

• Effective transient surge protection
• Fast response time
• Compact form factor
• Low leakage current

Disadvantages

• Limited to unidirectional protection
• May require additional components for bidirectional protection

Working Principles

The SMAJ48-E3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its breakdown voltage, thus protecting the connected circuitry.

Detailed Application Field Plans

The SMAJ48-E3/61 finds application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Industrial Control Systems: Safeguarding control circuitry from voltage transients. - Automotive Electronics: Shielding vehicle electronics from electrical disturbances. - Consumer Electronics: Ensuring surge protection in electronic gadgets and appliances.

Detailed and Complete Alternative Models

• SMAJ5.0A-E3/61: 5.0V unidirectional transient voltage suppressor
• SMAJ12A-E3/61: 12V unidirectional transient voltage suppressor
• SMAJ24A-E3/61: 24V unidirectional transient voltage suppressor

In conclusion, the SMAJ48-E3/61 serves as a crucial component in protecting electronic circuits from transient voltage surges, offering fast response and compact design. While it has limitations in bidirectional protection, its effectiveness and wide application make it a valuable asset in various electronic systems.

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