SMAJ22HE3/61

Product Overview

Category

SMAJ22HE3/61 belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is commonly used for voltage clamping and transient suppression in electronic circuits.

Characteristics

• Voltage Clamping: Capable of clamping excessive voltage levels to protect sensitive electronic components.
• Transient Suppression: Effectively suppresses transient voltage spikes to prevent damage to connected devices.

Package

The SMAJ22HE3/61 is typically available in a compact surface mount package, making it suitable for integration into various electronic designs.

Essence

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

Packaging/Quantity

The SMAJ22HE3/61 is commonly packaged in reels or trays, with quantities varying based on the supplier and customer requirements.

Specifications

• Part Number: SMAJ22HE3/61
• Type: Unidirectional
• Standoff Voltage: 22V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ22HE3/61 features a standard DO-214AC (SMA) package with two pins. Pin 1 is the anode, while pin 2 serves as the cathode.

Functional Features

• Voltage Clamping: Provides effective clamping of excessive voltages to protect downstream components.
• Transient Suppression: Rapidly responds to transient voltage spikes, diverting excess energy away from sensitive circuitry.
• Fast Response Time: Offers quick response to transient events, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges and transients.
• Compact form factor for easy integration into circuit designs.
• Fast response time enhances system reliability.

Disadvantages

• Unidirectional nature limits its application in bidirectional transient suppression scenarios.
• May require additional circuitry for comprehensive surge protection in complex systems.

Working Principles

The SMAJ22HE3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the clamping level. This effectively diverts the transient energy away from the protected circuit, preventing damage to sensitive components.

Detailed Application Field Plans

Consumer Electronics

• Used in power supply units and interface circuits to protect against voltage spikes.
• Integrated into communication devices to safeguard against transient events.

Automotive Electronics

• Employed in automotive control modules to ensure resilience against electrical disturbances.

Industrial Equipment

• Utilized in industrial automation systems to enhance the robustness of electronic controls.

Detailed and Complete Alternative Models

• P6KE22CA: Similar unidirectional transient voltage suppressor with a 22V standoff voltage.
• 1.5SMC22CA: Unidirectional surface mount transient voltage suppressor offering comparable protection characteristics.

In conclusion, the SMAJ22HE3/61 serves as a crucial component in protecting electronic circuits from voltage surges and transients, finding applications across diverse industries and electronic systems.

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