SMAJ170A-E3/61

Product Overview

Category

The SMAJ170A-E3/61 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, providing protection against voltage spikes and surges.

Characteristics

• Voltage Clamping: The SMAJ170A-E3/61 is designed to clamp excessive voltage levels to a safe threshold, safeguarding sensitive electronic components.
• Transient Suppression: It effectively suppresses transient voltage spikes, ensuring the integrity of connected circuits.
• Fast Response Time: This device offers a rapid response time to transient events, minimizing the risk of damage to downstream components.

Package

The SMAJ170A-E3/61 is typically available in a compact surface-mount package, facilitating easy integration into circuit designs.

Essence

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

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications. Typical quantities range from hundreds to thousands per reel or tube.

Specifications

• Part Number: SMAJ170A-E3/61
• Peak Pulse Power: 400W
• Breakdown Voltage: 170V
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ170A-E3/61 features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, while pin 2 serves as the anode.

Functional Features

• Voltage Clamping: The device activates when the voltage exceeds the breakdown voltage, diverting excess current away from the protected circuit.
• Transient Suppression: It rapidly responds to transient voltage spikes, limiting the voltage across the circuit to a safe level.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact surface-mount package for easy integration

Disadvantages

• Limited peak pulse power compared to higher-rated devices
• May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

The SMAJ170A-E3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage surpasses the breakdown voltage, effectively clamping the voltage to a safe level.

Detailed Application Field Plans

Electronic Circuits

• Used in power supplies, communication equipment, and consumer electronics to protect against voltage surges.
• Employed in industrial control systems to ensure the reliability of sensitive electronic components.

Automotive Electronics

• Integrated into automotive control units and infotainment systems to safeguard against voltage transients induced by electrical disturbances.

Renewable Energy Systems

• Utilized in solar inverters and wind turbine control systems to mitigate the impact of lightning-induced surges and grid voltage fluctuations.

Detailed and Complete Alternative Models

• SMAJ160A-E3/61: Lower breakdown voltage (160V) variant
• SMAJ188A-E3/61: Higher breakdown voltage (188V) variant
• SMAJ170CA-E3/61: Bi-directional clamping variant with 170V breakdown voltage

In conclusion, the SMAJ170A-E3/61 serves as a crucial component in protecting electronic circuits from voltage transients and surges, finding widespread application across various industries and electronic systems.

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