SMAJ45CA-QH

Product Overview

Category

SMAJ45CA-QH belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Fast response time
• Low clamping voltage
• High surge current capability

Package

The SMAJ45CA-QH is available in a DO-214AC (SMA) package.

Essence

The essence of SMAJ45CA-QH lies in its ability to provide robust protection against transient voltage events, ensuring the reliability and longevity of electronic circuits.

Packaging/Quantity

The SMAJ45CA-QH is typically packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 45V
• Breakdown Voltage: 50V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMAJ45CA-QH has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Bi-directional clamping capability
• Low incremental surge resistance
• High temperature stability

Advantages and Disadvantages

Advantages

• Fast response to transient events
• Low clamping voltage protects sensitive components
• Compact form factor for easy integration into circuit designs

Disadvantages

• Limited surge current handling capacity compared to larger package options
• Higher cost compared to standard diodes

Working Principles

When a transient voltage event occurs, the SMAJ45CA-QH conducts current to divert the excess energy away from the protected circuit. Its fast response time and low clamping voltage ensure that the voltage across the protected circuit remains within safe limits.

Detailed Application Field Plans

The SMAJ45CA-QH is commonly used in the following applications: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• P6SMB45CA
• 1.5SMC45CA
• SMBJ45CA
• SMCJ45CA

In conclusion, the SMAJ45CA-QH is a vital component in safeguarding electronic circuits from transient voltage events, offering fast response, low clamping voltage, and high surge current capability. Its compact form factor and bi-directional clamping capability make it suitable for a wide range of applications, although designers should consider its limitations in surge current handling and cost when selecting alternative models.

[Word Count: 398]