SMBJ8.5CAHE3/5B

Product Overview

The SMBJ8.5CAHE3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are designed to protect sensitive components from voltage spikes and transients, making them essential for ensuring the reliability and longevity of electronic devices. The SMBJ8.5CAHE3/5B diode exhibits characteristics such as high surge capability, low clamping voltage, and fast response time. It is typically available in a compact package, making it suitable for various applications where space is limited. The essence of this product lies in its ability to divert excessive transient current away from sensitive components, thereby safeguarding them from potential damage. The SMBJ8.5CAHE3/5B is commonly packaged in tape and reel format, with quantities varying based on the manufacturer's specifications.

Specifications

• Part Number: SMBJ8.5CAHE3/5B
• Category: Transient Voltage Suppressor Diode
• Voltage Rating: 8.5V
• Package Type: DO-214AA (SMB)
• Peak Pulse Power: 600W
• Operating Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ8.5CAHE3/5B diode follows the standard pin configuration for DO-214AA (SMB) packages, with two pins for connection to the circuit board. The anode and cathode terminals are clearly marked for easy identification during installation.

Functional Features

• Transient Voltage Suppression: The SMBJ8.5CAHE3/5B diode provides effective suppression of transient voltage spikes, protecting downstream components.
• Fast Response Time: This diode offers a rapid response to transient events, minimizing the risk of damage to sensitive electronics.
• Low Clamping Voltage: With a low clamping voltage, the SMBJ8.5CAHE3/5B ensures that the protected circuit remains within safe operating limits during transient events.

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges and transients
• Compact form factor suitable for space-constrained applications
• RoHS compliant, meeting environmental standards

Disadvantages

• Limited to specific voltage ratings, may not be suitable for higher voltage applications
• Requires careful consideration of placement within the circuit to ensure optimal protection coverage

Working Principles

The SMBJ8.5CAHE3/5B operates by shunting excess transient current away from sensitive components when a voltage surge occurs. When the voltage across the diode exceeds its breakdown voltage, it rapidly conducts, providing a low-impedance path for the transient current to flow through. This effectively limits the voltage across the protected circuit, preventing damage to connected devices.

Detailed Application Field Plans

The SMBJ8.5CAHE3/5B diode finds extensive use in various electronic systems, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies

In these applications, the diode serves to protect sensitive semiconductor devices, such as integrated circuits, transistors, and microcontrollers, from voltage surges induced by lightning, electrostatic discharge, or switching transients.

Detailed and Complete Alternative Models

• SMBJ5.0CAHE3/5B: 5.0V TVS diode with similar characteristics and package type
• SMBJ12CAHE3/5B: 12V TVS diode offering higher voltage protection in the same package format
• SMBJ15CAHE3/5B: 15V TVS diode with comparable surge capability and form factor

These alternative models provide flexibility in selecting the appropriate voltage rating while maintaining similar performance and package compatibility.

In conclusion, the SMBJ8.5CAHE3/5B transient voltage suppressor diode offers reliable surge protection for a wide range of electronic applications, contributing to the overall robustness and durability of electronic systems.

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