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SMAJ70CA
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SMAJ70CA

Product Overview

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

Specifications

  • Voltage - Reverse Standoff (Typ): 64.1V
  • Voltage - Breakdown (Min): 71.2V
  • Voltage - Clamping (Max) @ Ipp: 103V
  • Current - Peak Pulse (10/1000µs): 14.3A
  • Power - Peak Pulse: 400W
  • Type: Zener
  • Unidirectional: Yes

Detailed Pin Configuration

The SMAJ70CA is a unidirectional TVS diode with two pins. The cathode is connected to the ground or reference voltage, while the anode is connected to the protected line.

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Provides effective protection against transient voltage spikes - Fast reaction time ensures minimal damage to sensitive components - Compact size for easy integration into circuit designs

Disadvantages: - Limited to unidirectional protection - May require additional components for bidirectional protection in some applications

Working Principles

The SMAJ70CA operates by diverting excess current away from sensitive electronic components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The SMAJ70CA is widely used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMAJ58A: 58V reverse standoff voltage
  • SMAJ100A: 100V reverse standoff voltage
  • SMAJ130A: 130V reverse standoff voltage
  • SMAJ160A: 160V reverse standoff voltage

In conclusion, the SMAJ70CA is a reliable and efficient transient voltage suppressor diode that provides essential protection for sensitive electronic devices. Its fast response time, low clamping voltage, and high surge current capability make it a valuable component in various electronic applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SMAJ70CA في الحلول التقنية

  1. What is SMAJ70CA?

    • SMAJ70CA is a type of transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power of SMAJ70CA?

    • The maximum peak pulse power of SMAJ70CA is 400 watts.

  3. What is the breakdown voltage of SMAJ70CA?

    • The breakdown voltage of SMAJ70CA is 77.8 volts.

  4. What are the typical applications of SMAJ70CA?

    • SMAJ70CA is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the response time of SMAJ70CA?

    • The response time of SMAJ70CA is very fast, typically in the nanosecond range.

  6. How does SMAJ70CA protect electronic circuits?

    • SMAJ70CA clamps the voltage during transient events, diverting excess current away from the protected circuit, thus preventing damage.

  7. Can SMAJ70CA be used for ESD protection?

    • Yes, SMAJ70CA can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  8. What is the operating temperature range of SMAJ70CA?

    • The operating temperature range of SMAJ70CA is typically -55°C to 150°C.

  9. Is SMAJ70CA RoHS compliant?

    • Yes, SMAJ70CA is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  10. Are there any recommended layout considerations when using SMAJ70CA?

    • It is recommended to minimize the length and area of the traces connecting SMAJ70CA to the circuit, and to ensure a low-inductance path to the ground plane for optimal performance.