SMB8J40CA-M3/52

Product Overview

Category

The SMB8J40CA-M3/52 belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

This TVS diode is used to protect sensitive electronic components from voltage spikes and transients in various electronic circuits and systems.

Characteristics

• Voltage Suppression: Capable of suppressing voltage spikes and transients to protect downstream components.
• Fast Response Time: Provides quick response to transient events, minimizing the risk of damage to connected devices.
• Compact Package: Small form factor for easy integration into circuit designs.
• High Power Dissipation: Able to handle high power dissipation during transient events.

Package

The SMB8J40CA-M3/52 is typically available in a surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of this TVS diode lies in its ability to safeguard electronic circuits from voltage surges and transients, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

These TVS diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Part Number: SMB8J40CA-M3/52
• Peak Pulse Power: 800W
• Standoff Voltage: 40V
• Breakdown Voltage: 44.4V
• Clamping Voltage: 64.5V
• Operating Temperature Range: -55°C to +150°C
• Package Type: SMB (DO-214AA)
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMB8J40CA-M3/52 TVS diode typically features two pins for surface-mount soldering onto the printed circuit board (PCB). The pin configuration includes the anode and cathode terminals, which are essential for proper polarity connection.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to safe levels, protecting downstream components.
• Low Leakage Current: Minimizes power loss during normal operation.
• Bidirectional Protection: Offers protection for both positive and negative voltage transients.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact size for space-constrained designs
• RoHS compliant and environmentally friendly

Disadvantages

• Limited to specific voltage and power ratings
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMB8J40CA-M3/52 TVS diode operates by diverting excessive transient current away from sensitive components when a voltage spike occurs. It achieves this through rapid conduction and clamping of the transient voltage to a safe level, preventing damage to the connected circuitry.

Detailed Application Field Plans

Electronic Circuits

• Used in power supplies, communication equipment, and industrial control systems to protect against voltage surges and transients.

Automotive Electronics

• Integrated into automotive electronics to safeguard sensitive components from voltage fluctuations and load dump events.

Consumer Electronics

• Employed in consumer electronic devices such as smartphones, tablets, and laptops to enhance their resilience to electrical disturbances.

Detailed and Complete Alternative Models

• Alternative Model 1: SMAJ40A
  • Peak Pulse Power: 400W
  • Standoff Voltage: 40V
  • Package Type: SMA (DO-214AC)
• Alternative Model 2: P6KE39CA
  • Peak Pulse Power: 600W
  • Standoff Voltage: 39V
  • Package Type: DO-15

In conclusion, the SMB8J40CA-M3/52 TVS diode offers effective transient voltage suppression and finds widespread application across various electronic systems, providing crucial protection against voltage spikes and transients.

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