1.5SMC440A

Product Overview

Use

It is used for surge protection in electronic circuits, providing protection against voltage transients induced by lightning, power switching, and other transient voltage events.

Characteristics

Package: SMC (DO-214AB)
Essence: Silicon-based TVS diode
Packaging/Quantity: Available in tape and reel packaging, with quantities varying based on supplier and customer requirements.

Specifications

Peak Pulse Power Dissipation: 1500W
Breakdown Voltage: 484V to 528V
Operating Voltage: 392V to 431V
Maximum Clamping Voltage: 775V
Peak Pulse Current: 38.6A
Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC440A TVS diode has a standard SMC (DO-214AB) package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

Fast response time to transient voltage events
Low clamping voltage to protect sensitive electronic components
High surge current capability
RoHS compliant

Advantages and Disadvantages

Advantages

Effective protection against transient voltage events
Compact SMC package for space-constrained applications
Wide operating temperature range

Disadvantages

Higher clamping voltage compared to some alternative models
Limited peak pulse current compared to higher-rated TVS diodes

Working Principles

When a transient voltage event occurs, the 1.5SMC440A TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, protecting downstream components.

Detailed Application Field Plans

The 1.5SMC440A is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models that can be considered as alternatives to the 1.5SMC440A include: - SMAJ440A - P6SMB440A - SMBJ440A - 1.5KE440A

In conclusion, the 1.5SMC440A TVS diode offers effective surge protection for a wide range of electronic applications, despite its limitations in certain parameters. Its compact package and high surge power dissipation make it a popular choice for designers seeking reliable transient voltage suppression.

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What is 1.5SMC440A?
- 1.5SMC440A is a type of TVS (transient voltage suppressor) diode used for surge protection in electronic circuits.
What is the maximum peak pulse current for 1.5SMC440A?
- The maximum peak pulse current for 1.5SMC440A is typically 100A.
What is the breakdown voltage of 1.5SMC440A?
- The breakdown voltage of 1.5SMC440A is 484V to 528V.
What are the typical applications of 1.5SMC440A?
- 1.5SMC440A is commonly used in power supplies, communication equipment, automotive electronics, and industrial control systems for surge protection.
What is the response time of 1.5SMC440A?
- The response time of 1.5SMC440A is very fast, typically in the nanosecond range.
What is the operating temperature range for 1.5SMC440A?
- The operating temperature range for 1.5SMC440A is usually -55°C to +150°C.
How does 1.5SMC440A provide surge protection?
- 1.5SMC440A clamps the voltage during transient overvoltage events, diverting excess current away from sensitive components, thus protecting them from damage.
Is 1.5SMC440A RoHS compliant?
- Yes, 1.5SMC440A is typically RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.
What is the package type of 1.5SMC440A?
- 1.5SMC440A is commonly available in a DO-214AB (SMC) package.
Can 1.5SMC440A be used for ESD protection?
- While primarily designed for surge protection, 1.5SMC440A can also provide some level of ESD (electrostatic discharge) protection due to its fast response time and clamping action. However, dedicated ESD protection devices may be more suitable for specific ESD protection requirements.