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SMAJ70C
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SMAJ70C

Product Overview

Belongs to: Diode
Category: TVS Diode
Use: Protection against voltage transients
Characteristics: Fast response time, low clamping voltage
Package: DO-214AC (SMA)
Essence: Transient Voltage Suppressor
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 70V
  • Voltage - Breakdown (Min): 77.8V
  • Voltage - Clamping (Max) @ Ipp: 113V
  • Current - Peak Pulse (10/1000µs): 11.4A
  • Power - Peak Pulse: 400W
  • Type: Zener
  • Unidirectional: Yes

Detailed Pin Configuration

The SMAJ70C TVS diode has two pins in a standard DO-214AC package. The anode is connected to the positive side and the cathode to the negative side.

Functional Features

  • Fast response time to transient voltage spikes
  • Low clamping voltage to protect sensitive electronic components
  • Zener diode design for unidirectional protection

Advantages and Disadvantages

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

Disadvantages: - Unidirectional protection only - Limited power dissipation capability

Working Principles

The SMAJ70C operates by diverting excess current away from sensitive components when a voltage transient occurs. It acts as a shunt to absorb the transient energy and protect downstream electronics.

Detailed Application Field Plans

  • Telecommunications: Protects communication equipment from lightning-induced surges
  • Automotive: Safeguards vehicle electronics from voltage spikes
  • Industrial Control Systems: Shields control circuitry from power surges

Detailed and Complete Alternative Models

  • SMAJ5.0C: 5.0V reverse standoff voltage
  • SMAJ12A: 12V breakdown voltage
  • SMAJ24CA: 24V clamping voltage

In conclusion, the SMAJ70C TVS diode offers effective protection against voltage transients with its fast response time and low clamping voltage. While it has limitations such as unidirectional protection and limited power dissipation capability, it is well-suited for various applications in telecommunications, automotive, and industrial control systems.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMAJ70C in technische oplossingen

  1. What is SMAJ70C?

    • SMAJ70C is a type of TVS (transient voltage suppressor) diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum working voltage of SMAJ70C?

    • The maximum working voltage of SMAJ70C is 70 volts.

  3. What is the peak pulse power of SMAJ70C?

    • The peak pulse power of SMAJ70C is typically 400 watts.

  4. How does SMAJ70C protect electronic circuits?

    • SMAJ70C clamps transient overvoltages to a safe level, preventing damage to sensitive components.

  5. In what applications can SMAJ70C be used?

    • SMAJ70C is commonly used in power supplies, communication equipment, automotive electronics, and industrial control systems.

  6. What are the key features of SMAJ70C?

    • Some key features of SMAJ70C include low clamping voltage, fast response time, and high surge capability.

  7. What is the operating temperature range of SMAJ70C?

    • The operating temperature range of SMAJ70C is typically -55°C to 150°C.

  8. How should SMAJ70C be mounted on a PCB?

    • SMAJ70C can be mounted using standard surface mount techniques, following the manufacturer's recommended footprint and soldering guidelines.

  9. Can SMAJ70C be used for ESD protection?

    • Yes, SMAJ70C can provide effective ESD (electrostatic discharge) protection for sensitive electronic components.

  10. Are there any alternatives to SMAJ70C for transient voltage suppression?

    • Yes, other alternatives include SMBJ70C, SMCJ70C, and P6KE70CA, each with different form factors and electrical characteristics.