SMAJ440C

Product Overview

SMAJ440C belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronics from voltage spikes and surges. The SMAJ440C diode is known for its high reliability, fast response time, and compact package.

Basic Information

Category: Transient Voltage Suppressor Diode
Use: Protection against voltage spikes and surges
Characteristics: High reliability, fast response time
Package: SMA (DO-214AC)
Essence: Protecting sensitive electronics
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

Peak Power Dissipation: 400W
Breakdown Voltage: 440V
Operating Voltage: 377V
Clamping Voltage: 585V
Peak Pulse Current: 14.5A
Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ440C diode has a standard SMA (DO-214AC) package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

Fast response to transient over-voltage
Low clamping voltage
High surge capability
RoHS compliant

Advantages and Disadvantages

Advantages: - Reliable protection against voltage spikes - Fast response time - Compact package size

Disadvantages: - Limited peak pulse current compared to higher-rated diodes - May require additional circuitry for handling very high energy transients

Working Principles

When a voltage spike occurs, the SMAJ440C diode conducts and clamps the voltage to a safe level, protecting the connected circuitry from damage. It does this by diverting excess current away from the protected components.

Detailed Application Field Plans

The SMAJ440C diode is widely used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

SMAJ5.0A: Breakdown Voltage 5.0V, Peak Power Dissipation 400W
SMAJ12A: Breakdown Voltage 12V, Peak Power Dissipation 400W
SMAJ24A: Breakdown Voltage 24V, Peak Power Dissipation 400W
SMAJ58A: Breakdown Voltage 58V, Peak Power Dissipation 400W

In conclusion, the SMAJ440C transient voltage suppressor diode offers reliable protection against voltage spikes and surges in a compact package, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ440C v technických řešeních

What is SMAJ440C?
- SMAJ440C is a type of surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.
What are the key features of SMAJ440C?
- SMAJ440C features include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
Where is SMAJ440C commonly used?
- SMAJ440C is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.
How does SMAJ440C provide protection?
- SMAJ440C provides protection by diverting excessive current away from sensitive components when a voltage spike occurs, thus preventing damage to the circuitry.
What is the operating temperature range of SMAJ440C?
- The operating temperature range of SMAJ440C is typically -55°C to +150°C, making it suitable for a wide range of environments.
How is SMAJ440C installed in a circuit?
- SMAJ440C is typically soldered onto the circuit board using surface mount technology, providing a compact and reliable solution for transient voltage protection.
What standards does SMAJ440C comply with?
- SMAJ440C complies with industry standards such as IEC 61000-4-5 for surge immunity, ensuring its reliability in protecting electronic systems.
Can SMAJ440C be used for ESD protection?
- While SMAJ440C is primarily designed for transient voltage suppression, it can also provide some level of protection against electrostatic discharge (ESD).
What are the alternatives to SMAJ440C?
- Alternatives to SMAJ440C include other transient voltage suppressor diodes such as SMBJ, SMCJ, or P6KE series, which offer different voltage and power ratings.
How can the performance of SMAJ440C be tested?
- The performance of SMAJ440C can be tested using surge generators, transient voltage suppressor testers, or by subjecting it to simulated voltage transients to verify its protective capabilities.