MASMBJ28A - Product Overview and Specifications

Introduction

The MASMBJ28A is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. This entry provides an overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

Category: Transient Voltage Suppressor (TVS) Diode
Use: Protection against voltage transients induced by lightning, inductive load switching, and electrostatic discharge
Characteristics: Fast response time, low clamping voltage, high surge current capability
Package: SMA (DO-214AC)
Essence: Provides robust protection for sensitive electronic components
Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

Peak Pulse Power: 400W
Breakdown Voltage: 28V
Operating Voltage: 23.1V
Maximum Clamping Voltage: 45.4V
Peak Pulse Current: 14.5A
Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The MASMBJ28A TVS diode has a standard SMA (DO-214AC) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

Rapid response to transient over-voltage conditions
Low clamping voltage to protect downstream components
High surge current capability for enhanced reliability

Advantages and Disadvantages

Advantages

Effective protection against voltage transients
Fast response time
Compact form factor
Wide operating temperature range

Disadvantages

Limited breakdown voltage compared to higher-rated TVS diodes
May require parallel or series connection for higher voltage protection requirements

Working Principles

The MASMBJ28A operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient voltage spike occurs, the diode rapidly switches into its low impedance state, shunting the excess energy to ground and preventing damage to downstream electronics.

Detailed Application Field Plans

The MASMBJ28A is widely used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies - LED lighting

Detailed and Complete Alternative Models

Alternative Model 1: MASMBJ33A (Breakdown Voltage: 33V)
Alternative Model 2: MASMBJ40A (Breakdown Voltage: 40V)
Alternative Model 3: MASMBJ48A (Breakdown Voltage: 48V)
Alternative Model 4: MASMBJ58A (Breakdown Voltage: 58V)

In summary, the MASMBJ28A transient voltage suppressor diode offers effective protection against voltage transients, with fast response time and high surge current capability. Its compact form factor and wide operating temperature range make it suitable for diverse electronic applications.

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