SMA5J28AHE3/5A

Product Overview

The SMA5J28AHE3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes and is commonly used for surge protection in electronic circuits. These diodes are characterized by their high surge capability, low clamping voltage, and fast response time. The package type for SMA5J28AHE3/5A is SMA, and it is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Peak Pulse Power: 5000 W
• Breakdown Voltage Range: 28 V
• Clamping Voltage: 45.7 V
• Operating Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMA5J28AHE3/5A has a standard SMA package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

• High Surge Capability: The SMA5J28AHE3/5A is capable of handling high surge currents, making it suitable for protecting sensitive electronic components.
• Low Clamping Voltage: With a clamping voltage of 45.7 V, this diode provides effective protection against transient voltage spikes.
• Fast Response Time: The fast response time ensures rapid clamping of transient voltages, minimizing the risk of damage to downstream components.

Advantages and Disadvantages

Advantages

• High surge capability
• Low clamping voltage
• Fast response time
• RoHS compliant

Disadvantages

• Relatively limited breakdown voltage range compared to some alternative models

Working Principles

The SMA5J28AHE3/5A operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively limits the voltage across the circuit to the clamping voltage of the diode, safeguarding the connected components.

Detailed Application Field Plans

The SMA5J28AHE3/5A is widely used in various applications requiring surge protection, including: - Power supplies - Communication systems - Industrial equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMA5J28AHE3/5A include: - P6SMB28CA - SMBJ28A - 1.5SMC28CA

These alternative models offer similar surge protection capabilities and can be considered based on specific application requirements.

In conclusion, the SMA5J28AHE3/5A TVS diode offers robust surge protection with its high surge capability, low clamping voltage, and fast response time. While it has certain limitations, its working principles and wide application field make it a valuable component in electronic circuit protection.

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