SMBJ4734AE3/TR13

Product Overview

• Category: Diode
• Use: Voltage suppression in electronic circuits
• Characteristics: Fast response time, low clamping voltage, compact package
• Package: SMB (DO-214AA)
• Essence: Transient Voltage Suppressor (TVS) diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: SMBJ4734AE3/TR13
• Reverse Standoff Voltage: 40.2V
• Breakdown Voltage: 44.7V
• Peak Pulse Power: 600W
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ4734AE3/TR13 is a surface mount TVS diode with two pins. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground.

Functional Features

• Transient Voltage Suppression: Protects sensitive electronic components from voltage spikes.
• Fast Response Time: Quickly clamps transient voltages to safe levels.
• Low Clamping Voltage: Limits the voltage across the protected circuit.

Advantages and Disadvantages

• Advantages:
  • Effective protection against voltage transients
  • Compact size for space-constrained applications
  • Fast response time ensures minimal impact on circuit operation
• Disadvantages:
  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for handling sustained overvoltage conditions

Working Principles

The SMBJ4734AE3/TR13 operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be safely dissipated.

Detailed Application Field Plans

The SMBJ4734AE3/TR13 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Models:
  • SMAJ5.0A
  • SMCJ10A
  • P6KE33CA
  • 1.5KE200A

In conclusion, the SMBJ4734AE3/TR13 is a reliable TVS diode that offers fast and effective protection against transient voltage events. Its compact size and low clamping voltage make it suitable for a wide range of electronic applications, although it may not be suitable for high-power or sustained overvoltage scenarios. When selecting a TVS diode, engineers should consider the specific requirements of their application and evaluate alternative models to ensure optimal protection.

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