SMA5J40CAHE3/5A

Product Overview

Category

The SMA5J40CAHE3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in various electronic circuits and systems to safeguard against voltage transients and spikes.

Characteristics

• Voltage Suppression: Provides protection against high voltage transients.
• Fast Response Time: Rapidly clamps transient voltages to a safe level.
• Low Leakage Current: Ensures minimal power dissipation during normal operation.
• Compact Package: Small form factor for easy integration into circuit designs.

Package

The SMA5J40CAHE3/5A is available in a surface-mount package, offering ease of assembly onto printed circuit boards.

Essence

The essence of this product lies in its ability to protect sensitive electronic components from voltage surges, ensuring the reliability and longevity of electronic devices.

Packaging/Quantity

The SMA5J40CAHE3/5A is typically supplied in reels containing a specific quantity, such as 3000 units per reel.

Specifications

• Standoff Voltage: 40V
• Peak Pulse Power: 5000W
• Breakdown Voltage: 44.4V
• Operating Temperature Range: -55°C to 150°C
• Package Type: SMA

Detailed Pin Configuration

The SMA5J40CAHE3/5A features a standard SMA package with two pins for surface-mount soldering onto PCBs.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components.
• Fast response time ensures rapid protection during transient events.
• Compact form factor for easy integration into circuit designs.

Disadvantages

• May exhibit limited effectiveness against sustained overvoltage conditions.
• Requires careful consideration of placement within the circuit for optimal performance.

Working Principles

The SMA5J40CAHE3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

The SMA5J40CAHE3/5A is commonly used in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMA5J33CAHE3/5A: Similar TVS diode with a lower standoff voltage of 33V.
• SMA5J48CAHE3/5A: Comparable TVS diode with a higher standoff voltage of 48V.
• SMA5J58CAHE3/5A: Alternative TVS diode with a higher peak pulse power of 5800W.

In conclusion, the SMA5J40CAHE3/5A offers effective transient voltage suppression in a compact package, making it an essential component for protecting sensitive electronic circuits from voltage spikes and transients across various applications.

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