SMC Diode Solutions
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
SMAJ18ATR
Näytä Yksityiskohdat DataSheets

SMAJ18ATR

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor Diode
Package: DO-214AC (SMA)
Essence: Protects electronic circuits from voltage spikes
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
  • Unidirectional Channels: 1
  • Polarization: Unidirectional

Detailed Pin Configuration

The SMAJ18ATR has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response time to protect against voltage spikes
  • Low clamping voltage ensures minimal impact on the protected circuit

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time - Compact package size

Disadvantages: - Limited maximum clamping voltage - Unidirectional protection only

Working Principles

The SMAJ18ATR operates by diverting excess current away from the protected circuit when a voltage spike occurs. It achieves this through the use of a zener diode that rapidly conducts when the voltage exceeds the breakdown voltage, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The SMAJ18ATR is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. P6KE18CA: Similar specifications and package type
  2. 1.5SMC18CA: Higher power rating and different package type
  3. SA18CA: Lower clamping voltage and different package type

In conclusion, the SMAJ18ATR is a vital component in protecting electronic circuits from voltage spikes, offering fast response times and effective transient voltage suppression. While it has limitations such as unidirectional protection and a limited maximum clamping voltage, its compact size and reliable performance make it a popular choice in various electronic applications.

Word count: 345

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät SMAJ18ATR :n soveltamiseen teknisissä ratkaisuissa

  1. What is SMAJ18ATR?

    • SMAJ18ATR is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ18ATR?

    • The maximum peak pulse power of SMAJ18ATR is 400 watts.

  3. What is the breakdown voltage of SMAJ18ATR?

    • The breakdown voltage of SMAJ18ATR is 18 volts.

  4. What are the typical applications of SMAJ18ATR?

    • SMAJ18ATR is commonly used in applications such as protection of integrated circuits, consumer electronics, industrial equipment, and telecommunications devices.

  5. What is the operating temperature range of SMAJ18ATR?

    • The operating temperature range of SMAJ18ATR is -55°C to +150°C.

  6. What is the reverse stand-off voltage of SMAJ18ATR?

    • The reverse stand-off voltage of SMAJ18ATR is 18 volts.

  7. What is the peak pulse current capability of SMAJ18ATR?

    • The peak pulse current capability of SMAJ18ATR is 30.5A.

  8. Is SMAJ18ATR RoHS compliant?

    • Yes, SMAJ18ATR is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  9. What is the package type of SMAJ18ATR?

    • SMAJ18ATR comes in a DO-214AC (SMA) package.

  10. What are the key features of SMAJ18ATR?

    • Some key features of SMAJ18ATR include low clamping voltage, fast response time, and high surge capability.