SMCJ8.5CA-HR

Product Overview

The SMCJ8.5CA-HR belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMCJ8.5CA-HR is designed to provide robust protection against voltage surges, making it suitable for a wide range of applications. Its characteristics include high reliability, fast response time, and low clamping voltage. The product is typically packaged in a compact, surface-mount package and is available in various quantities to suit different application needs.

Specifications

• Part Number: SMCJ8.5CA-HR
• Category: Transient Voltage Suppressor Diode
• Voltage Rating: 8.5V
• Package Type: SMC (DO-214AB)
• Quantity: Available in reels or bulk packaging
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The SMCJ8.5CA-HR follows the standard pin configuration for SMC diodes, with two terminals for connection. The anode terminal is typically marked with a line, while the cathode terminal is unmarked.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Limits the voltage across the protected device during a transient event.

Advantages and Disadvantages

Advantages

• Reliable protection against voltage surges
• Fast response time
• Compact surface-mount package
• Wide operating temperature range

Disadvantages

• Limited to specific voltage rating (8.5V)

Working Principles

The SMCJ8.5CA-HR operates based on the principle of avalanche breakdown. When a voltage surge occurs, the diode rapidly conducts, diverting excess current away from the sensitive components. This action effectively limits the voltage across the protected circuit, preventing damage.

Detailed Application Field Plans

The SMCJ8.5CA-HR is widely used in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Consumer Electronics: Safeguarding sensitive electronic devices from power supply transients. - Automotive Electronics: Shielding vehicle electronics from voltage spikes in the electrical system.

Detailed and Complete Alternative Models

• SMCJ6.0CA-HR: 6.0V voltage rating, similar characteristics
• SMCJ10CA-HR: 10V voltage rating, comparable performance
• SMCJ12CA-HR: 12V voltage rating, alternative option for higher voltage protection

In conclusion, the SMCJ8.5CA-HR transient voltage suppressor diode offers reliable protection against voltage surges in a compact and efficient package. Its fast response time and low clamping voltage make it a valuable component in various electronic systems, ensuring the integrity and longevity of sensitive circuitry.

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