SMBJ8.5CA

The SMBJ8.5CA is a transient voltage suppressor (TVS) diode manufactured by Bourns, Inc. It is designed to protect sensitive electronic components from voltage spikes and transients, such as those caused by electrostatic discharge (ESD) or lightning strikes.

Key Features:

1. Voltage Rating: The SMBJ8.5CA has a breakdown voltage of approximately 8.5 volts, making it suitable for clamping voltage-sensitive devices that operate at low voltage levels.

2. Power Dissipation: This component can handle a peak power dissipation of around 600 watts, which allows it to absorb significant energy from transient events without failing.

3. Package Type: The SMBJ8.5CA is housed in a surface-mount package, specifically the SMB (DO-214AA) package, which is compact and suitable for automated assembly processes. The package dimensions typically measure about 5.2 mm in length and 3.5 mm in width, with a height of around 1.5 mm.

4. Response Time: The device features a fast response time, which is crucial for effectively clamping voltage spikes and protecting downstream components.

5. Temperature Range: The operating temperature range for the SMBJ8.5CA is generally from -55°C to +150°C, allowing it to function reliably in various environmental conditions.

6. Applications: This TVS diode is commonly used in applications such as telecommunications, automotive electronics, consumer electronics, and industrial equipment, where protection from voltage transients is essential.

7. RoHS Compliance: The SMBJ8.5CA is compliant with RoHS (Restriction of Hazardous Substances) standards, ensuring that it is free from certain hazardous materials, making it suitable for environmentally conscious designs.

Electrical Characteristics:

• Reverse Stand-off Voltage (V_R): 8.5V
• Clamping Voltage (V_C): Typically around 12V at a specified peak pulse current.
• Peak Pulse Current (I_PP): The device can handle a peak pulse current of up to 30A for a duration of 8/20 µs.

Conclusion:

The SMBJ8.5CA from Bourns, Inc. is a robust and reliable transient voltage suppressor that provides essential protection for electronic circuits against voltage spikes. Its compact size, high power handling capability, and fast response time make it an ideal choice for a wide range of applications in modern electronic devices.