SMAJ4739AE3/TR13

Product Overview

Category: Diode
Use: Voltage clamping
Characteristics: Low leakage current, fast response time
Package: DO-214AC (SMA)
Essence: Transient voltage suppressor diode
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

Voltage - Reverse Standoff (Typ): 43.6V
Voltage - Breakdown (Min): 48.5V
Clamping Voltage @ Ipp: 77.4V
Current - Peak Pulse (10/1000µs): 34.8A
Power - Peak Pulse: 400W
Type: Zener

Detailed Pin Configuration

The SMAJ4739AE3/TR13 diode has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

Provides protection against transient voltage spikes
Fast response time ensures minimal damage to sensitive components
Low leakage current for improved efficiency

Advantages and Disadvantages

Advantages

Effective voltage clamping
Fast response time
Low leakage current

Disadvantages

Limited power dissipation capability
Higher cost compared to standard diodes

Working Principles

The SMAJ4739AE3/TR13 operates by diverting excess voltage away from sensitive components when a transient voltage spike occurs. It acts as a voltage clamp, limiting the voltage across the circuit it protects.

Detailed Application Field Plans

This diode is commonly used in electronic circuits to protect sensitive components from voltage transients induced by lightning, ESD, or other electrical disturbances. It finds applications in telecommunications equipment, industrial control systems, and automotive electronics.

Detailed and Complete Alternative Models

Alternative Model 1: P6KE39CA
Alternative Model 2: 1.5KE39CA
Alternative Model 3: SMBJ39CA

In conclusion, the SMAJ4739AE3/TR13 diode is a reliable and efficient solution for voltage clamping in various electronic applications, offering fast response times and low leakage current. Its use in protecting sensitive components from transient voltage spikes makes it an essential component in modern electronic designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4739AE3/TR13 v technických řešeních

What is SMAJ4739AE3/TR13?
- SMAJ4739AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.
What are the key features of SMAJ4739AE3/TR13?
- The key features include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
In what applications can SMAJ4739AE3/TR13 be used?
- It is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.
How does SMAJ4739AE3/TR13 provide protection against voltage spikes?
- SMAJ4739AE3/TR13 diverts excessive current away from sensitive components by clamping the voltage to a safe level during transient events.
What is the operating temperature range of SMAJ4739AE3/TR13?
- The operating temperature range is typically -55°C to +150°C, making it suitable for a wide range of environments.
Is SMAJ4739AE3/TR13 RoHS compliant?
- Yes, SMAJ4739AE3/TR13 is compliant with the Restriction of Hazardous Substances (RoHS) directive.
What is the packaging type for SMAJ4739AE3/TR13?
- It is available in a DO-214AC (SMA) package, which is suitable for surface mount applications.
Can SMAJ4739AE3/TR13 be used for overvoltage protection in power supply circuits?
- Yes, it is commonly used to protect power supply circuits from voltage transients and surges.
What standards does SMAJ4739AE3/TR13 comply with?
- It complies with industry standards such as IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge).
Are there any application notes or design guidelines available for using SMAJ4739AE3/TR13?
- Yes, detailed application notes and design guidelines are provided by the manufacturer to assist in the proper implementation of SMAJ4739AE3/TR13 in technical solutions.