SMAJ78AE3/TR13

Product Overview

• Category: Diode
• Use: Voltage clamping and transient suppression
• Characteristics: Low leakage current, fast response time, high surge capability
• Package: DO-214AC (SMA)
• Essence: Protecting electronic circuits from voltage spikes and transients
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 78V
• Voltage - Breakdown (Min): 86.7V
• Voltage - Clamping (Max) @ Ipp: 126V
• Current - Peak Pulse (10/1000µs): 30.6A
• Power - Peak Pulse: 400W
• Type: Zener

Detailed Pin Configuration

The SMAJ78AE3/TR13 diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Provides protection against voltage surges and transients
• Fast response time ensures minimal damage to the protected circuit
• Low leakage current minimizes power loss

Advantages

• High surge capability
• Compact package size
• Wide operating temperature range

Disadvantages

• Limited maximum clamping voltage
• Requires careful consideration of reverse standoff voltage for proper selection

Working Principles

The SMAJ78AE3/TR13 operates by diverting excessive voltage away from sensitive components in a circuit, thereby preventing damage due to transient events such as lightning strikes or ESD.

Detailed Application Field Plans

This diode is commonly used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to consider include: - P6KE68CA - 1.5KE82A - SMBJ78CA

In conclusion, the SMAJ78AE3/TR13 diode is a reliable and efficient component for protecting electronic circuits from voltage spikes and transients. Its high surge capability and fast response time make it suitable for a wide range of applications, despite its limitations in maximum clamping voltage. When selecting this diode or its alternatives, careful consideration of the specific application requirements is essential to ensure optimal performance and protection.

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