SMAJ18C

Product Overview

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

Specifications

Voltage - Reverse Standoff (Typ): 18V
Voltage - Breakdown (Min): 20V
Voltage - Clamping (Max) @ Ipp: 29.2V
Current - Peak Pulse (10/1000µs): 34.4A
Power - Peak Pulse: 400W
Type: Zener
Polarity: Unidirectional

Detailed Pin Configuration

The SMAJ18C diode has a two-pin configuration with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

Fast response time to transient voltage spikes
Low leakage current for minimal power loss
Robust construction for reliable performance in harsh environments

Advantages and Disadvantages

Advantages: - Effective voltage regulation and transient suppression - Compact size for space-constrained applications - Wide operating temperature range

Disadvantages: - Limited maximum clamping voltage - Unidirectional protection only

Working Principles

The SMAJ18C operates based on the principle of reverse biasing to regulate and suppress transient voltages. When a voltage spike occurs, the diode conducts and clamps the voltage to protect downstream components.

Detailed Application Field Plans

The SMAJ18C is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

SMAJ5.0C: 5V reverse standoff voltage
SMAJ12A: 12V breakdown voltage
SMAJ24CA: 24V clamping voltage

In conclusion, the SMAJ18C diode offers efficient voltage regulation and transient suppression in a compact package, making it suitable for diverse electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ18C v technických řešeních

What is SMAJ18C?
- SMAJ18C is a type of surface mount transient voltage suppressor diode that is commonly used to protect electronic circuits from voltage spikes and transients.
What is the maximum working voltage of SMAJ18C?
- The maximum working voltage of SMAJ18C is 18 volts.
What is the peak pulse power of SMAJ18C?
- The peak pulse power of SMAJ18C is typically 400 watts.
How does SMAJ18C protect electronic circuits?
- SMAJ18C protects electronic circuits by diverting excessive current away from sensitive components when voltage spikes or transients occur.
What are the typical applications of SMAJ18C?
- SMAJ18C is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems.
What is the response time of SMAJ18C?
- The response time of SMAJ18C is very fast, typically in the nanosecond range, which allows it to quickly respond to voltage spikes.
Can SMAJ18C be used for overvoltage protection in data lines?
- Yes, SMAJ18C can be used for overvoltage protection in data lines to safeguard sensitive electronic devices from voltage surges.
Is SMAJ18C RoHS compliant?
- Yes, SMAJ18C is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive's requirements for environmental safety.
What is the operating temperature range of SMAJ18C?
- The operating temperature range of SMAJ18C is typically -55°C to 150°C, making it suitable for a wide range of environments.
Are there any recommended layout considerations for using SMAJ18C in a circuit?
- Yes, it is recommended to place SMAJ18C as close as possible to the protected circuit and to minimize the length and impedance of the traces connecting it to the circuit for optimal performance.