ON Semiconductor
รูปภาพอาจเป็นภาพแทน
ดูข้อมูลจำเพาะสำหรับรายละเอียดสินค้า.
SMF8.5AT1
ดูรายละเอียด แผ่นข้อมูล

SMF8.5AT1

Product Overview

Category: Diode
Use: Voltage Suppression
Characteristics: Low leakage current, fast response time
Package: DO-218AB
Essence: Transient Voltage Suppressor (TVS) diode
Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Peak Pulse Power: 8.5 kW
  • Breakdown Voltage: 7.37V to 8.15V
  • Operating Temperature Range: -55°C to +175°C
  • Reverse Standoff Voltage: 6.4V to 7.13V
  • Maximum Clamping Voltage: 11.4V at 14.5A
  • Reverse Leakage Current: 1μA at 5.3V

Detailed Pin Configuration

The SMF8.5AT1 is a unidirectional TVS diode with a DO-218AB package. It has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Fast response time to transient voltage spikes
  • Low clamping voltage for effective suppression of overvoltage events
  • Low leakage current for minimal power dissipation during normal operation

Advantages and Disadvantages

Advantages: - High peak pulse power handling capability - Wide operating temperature range - Compact DO-218AB package for easy integration

Disadvantages: - Relatively low breakdown voltage compared to some alternative models - Unidirectional protection only

Working Principles

The SMF8.5AT1 operates by diverting excess transient voltage away from sensitive components in a circuit, thereby protecting them from damage. When a transient voltage spike occurs, the diode rapidly switches into its low-impedance state, providing a path for the excess energy to be safely dissipated.

Detailed Application Field Plans

The SMF8.5AT1 is commonly used in electronic circuits that require protection from voltage transients, such as: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative TVS diodes to consider include: - SMAJ6.0A: Similar peak pulse power rating, but lower breakdown voltage - SMBJ10CA: Higher breakdown voltage, but lower peak pulse power handling - SMCJ8.0A: Higher breakdown voltage and peak pulse power, but in a smaller package

In conclusion, the SMF8.5AT1 is a reliable TVS diode suitable for various applications requiring robust transient voltage suppression capabilities.

Word count: 366

แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ SMF8.5AT1 ในโซลูชันทางเทคนิค

Sure, here are 10 common questions and answers related to the application of SMF8.5AT1 in technical solutions:

  1. What is SMF8.5AT1?

    • SMF8.5AT1 is a surface mount fuse designed for overcurrent protection in various electronic circuits.

  2. What are the typical applications of SMF8.5AT1?

    • SMF8.5AT1 is commonly used in power supplies, battery management systems, LED lighting, and other electronic devices that require overcurrent protection.

  3. What is the voltage rating of SMF8.5AT1?

    • SMF8.5AT1 has a voltage rating of up to 32V DC.

  4. What is the current rating of SMF8.5AT1?

    • The current rating of SMF8.5AT1 is 8.5A.

  5. What are the key features of SMF8.5AT1?

    • SMF8.5AT1 features fast-acting response to overcurrent conditions, high interrupting capacity, and compact size for space-constrained applications.

  6. Can SMF8.5AT1 be used in automotive applications?

    • Yes, SMF8.5AT1 is suitable for use in automotive electronics such as infotainment systems, engine control units, and lighting systems.

  7. Is SMF8.5AT1 RoHS compliant?

    • Yes, SMF8.5AT1 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  8. What are the recommended soldering techniques for SMF8.5AT1?

    • It is recommended to use reflow soldering techniques to ensure proper installation and reliability of SMF8.5AT1.

  9. Does SMF8.5AT1 have agency approvals?

    • Yes, SMF8.5AT1 has been certified by various safety agencies such as UL (Underwriters Laboratories) and TUV (Technischer Überwachungsverein).

  10. Are there any specific thermal considerations when using SMF8.5AT1?

    • It is important to consider the thermal derating of SMF8.5AT1 at elevated temperatures to ensure optimal performance and reliability in the application.

I hope these questions and answers provide helpful information about the application of SMF8.5AT1 in technical solutions. Let me know if you need further assistance!