SMDJ11A - Product Overview and Specifications

Introduction

The SMDJ11A belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are used to protect electronic circuits from voltage spikes and surges. These diodes are characterized by their fast response time and high surge capability, making them essential components in various electronic devices.

Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage spikes and surges
• Characteristics: Fast response time, high surge capability
• Package: SMD (Surface Mount Device)
• Essence: Safeguarding electronic circuits
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Voltage Rating: 11V
• Peak Pulse Power: 3kW
• Breakdown Voltage: 12.8V
• Operating Temperature Range: -55°C to 150°C
• Package Type: DO-214AB (SMC)

Detailed Pin Configuration

The SMDJ11A TVS diode typically features a standard SMC package with two pins for surface mounting onto a printed circuit board. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Rapid clamping of transient voltages
• Low incremental surge resistance
• High temperature stability
• RoHS compliant

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact SMD package for space-saving designs
• Wide operating temperature range

Disadvantages

• Limited power dissipation capability compared to larger TVS diodes
• May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

The SMDJ11A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage. This effectively diverts the transient energy away from sensitive components, protecting them from damage.

Detailed Application Field Plans

The SMDJ11A TVS diode finds extensive application in various electronic systems, including: - Consumer electronics - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies - LED lighting

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or power handling capabilities, alternative TVS diode models include: - SMDJ5.0A (5V rating, 3kW peak pulse power) - SMDJ15A (15V rating, 3kW peak pulse power) - SMDJ24A (24V rating, 3kW peak pulse power) - SMDJ33A (33V rating, 3kW peak pulse power)

In conclusion, the SMDJ11A TVS diode offers reliable protection against voltage transients in a compact SMD package, making it an essential component in modern electronic designs.

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