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SMAJ48ATR
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SMAJ48ATR

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor Diode
Package: DO-214AC (SMA)
Essence: Protects sensitive electronic devices from voltage transients
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 48V
  • Voltage - Breakdown (Min): 53.3V
  • Voltage - Clamping (Max) @ Ipp: 77.4V
  • Current - Peak Pulse (10/1000µs): 10A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMAJ48ATR has two pins and follows the standard pin configuration for a DO-214AC package.

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response time to protect against voltage transients
  • Low clamping voltage to minimize damage to protected components

Advantages

  • High surge capability
  • Low profile package
  • RoHS compliant

Disadvantages

  • Limited to low voltage applications
  • May require additional circuitry for comprehensive protection in complex systems

Working Principles

The SMAJ48ATR operates by diverting excess current away from sensitive electronic components when a voltage transient occurs. It acts as a "safety valve" for the circuit, preventing damage from overvoltage events.

Detailed Application Field Plans

  1. Telecommunications: Used to protect communication equipment from lightning-induced surges.
  2. Automotive Electronics: Safeguards vehicle electronics from voltage spikes caused by alternator load dump or other electrical disturbances.
  3. Industrial Control Systems: Provides protection for PLCs, sensors, and other critical control system components.

Detailed and Complete Alternative Models

  1. P6SMB48AT3G: Similar specifications, different package (DO-214AA)
  2. 1.5SMC48AT3G: Higher power rating, similar voltage characteristics

In conclusion, the SMAJ48ATR is a reliable transient voltage suppressor diode that offers fast response and high surge capability, making it suitable for various applications in the electronics industry.

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技術ソリューションにおける SMAJ48ATR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is SMAJ48ATR?

    • SMAJ48ATR is a TVS (transient voltage suppressor) diode, designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ48ATR?

    • The maximum peak pulse power of SMAJ48ATR is 400 watts.

  3. What is the breakdown voltage of SMAJ48ATR?

    • The breakdown voltage of SMAJ48ATR is 53.3 volts.

  4. How does SMAJ48ATR protect electronic circuits?

    • SMAJ48ATR clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. What are the typical applications of SMAJ48ATR?

    • SMAJ48ATR is commonly used in power supplies, communication systems, automotive electronics, and industrial equipment to protect against voltage surges.

  6. What is the response time of SMAJ48ATR?

    • The response time of SMAJ48ATR is very fast, typically responding within nanoseconds to clamp the transient voltage.

  7. Can SMAJ48ATR be used for ESD (electrostatic discharge) protection?

    • Yes, SMAJ48ATR can provide effective ESD protection for sensitive electronic components.

  8. What is the operating temperature range of SMAJ48ATR?

    • The operating temperature range of SMAJ48ATR is typically -55°C to +150°C.

  9. Is SMAJ48ATR RoHS compliant?

    • Yes, SMAJ48ATR is RoHS compliant, meeting the requirements for lead-free and environmentally friendly manufacturing.

  10. How should SMAJ48ATR be mounted on a PCB (printed circuit board)?

    • SMAJ48ATR should be mounted close to the input or output terminals of the circuit, with short traces to minimize inductance and maximize its protective effect.