SMAJ45A

Product Overview

Belongs to: Electronic Components
Category: Diode
Use: Voltage regulation and transient suppression
Characteristics: Fast response time, low leakage current
Package: DO-214AC (SMA)
Essence: Transient voltage suppressor diode
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

Part Number: SMAJ45A
Voltage - Reverse Standoff (Typ): 45V
Voltage - Breakdown (Min): 50V
Clamping Voltage: 77.4V
Peak Pulse Current: 36.5A
Power Dissipation (Max): 400W
Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

The SMAJ45A diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

Fast response time
Low clamping voltage
High surge capability
RoHS compliant

Advantages and Disadvantages

Advantages: - Provides effective protection against transient overvoltage conditions - Fast response time ensures minimal damage to sensitive components

Disadvantages: - Can be susceptible to thermal runaway under extreme conditions - May exhibit high reverse leakage current in certain applications

Working Principles

The SMAJ45A operates by diverting excess transient voltage away from sensitive electronic components, thereby protecting them from damage. When a transient voltage spike occurs, the diode rapidly conducts, clamping the voltage to a safe level and dissipating the excess energy as heat.

Detailed Application Field Plans

The SMAJ45A is commonly used in various electronic systems and equipment, including: - Power supplies - Communication systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Alternative Model 1: P6SMB45A
Alternative Model 2: 1.5KE45A
Alternative Model 3: SMBJ45A
Alternative Model 4: SMCJ45A

In conclusion, the SMAJ45A transient voltage suppressor diode offers reliable protection against transient overvoltage events in a wide range of electronic applications. Its fast response time, low leakage current, and high surge capability make it an essential component for ensuring the longevity and reliability of electronic systems.

Word Count: 366

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SMAJ45A у технічних рішеннях

What is SMAJ45A?
- SMAJ45A is a type of TVS (transient voltage suppressor) diode that is designed to protect electronic circuits from voltage spikes and transients.
What is the maximum working voltage of SMAJ45A?
- The maximum working voltage of SMAJ45A is 45 volts.
What is the peak pulse power of SMAJ45A?
- The peak pulse power of SMAJ45A is typically 400 watts.
How does SMAJ45A protect electronic circuits?
- SMAJ45A clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.
In what applications can SMAJ45A be used?
- SMAJ45A is commonly used in power supplies, communication equipment, automotive electronics, and other systems where protection against voltage transients is required.
What is the response time of SMAJ45A?
- The response time of SMAJ45A is very fast, typically in the nanosecond range, providing quick protection against voltage spikes.
Can SMAJ45A be used for surge protection in outdoor environments?
- Yes, SMAJ45A can be used for surge protection in outdoor environments, but it may require additional protective measures depending on the specific application.
Is SMAJ45A suitable for high-speed data lines?
- Yes, SMAJ45A is suitable for protecting high-speed data lines from voltage transients.
What are the temperature specifications for SMAJ45A?
- SMAJ45A typically has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.
Are there any alternatives to SMAJ45A for transient voltage suppression?
- Yes, there are other TVS diodes with similar or different specifications that can be considered based on the specific requirements of the application.