SMBJ3V3-E3/52

The SMBJ3V3-E3/52 is a transient voltage suppressor (TVS) diode manufactured by Vishay, designed to protect sensitive electronic components from voltage spikes and transients. Here’s a detailed description of its features and specifications:

General Description:

• Type: Transient Voltage Suppressor (TVS) Diode
• Package: SMB (DO-214AA) package, which is a surface-mount device (SMD) that provides a compact footprint suitable for various applications.

Electrical Characteristics:

• Reverse Stand-Off Voltage (V_RWM): 3.3V, which indicates the maximum voltage that can be applied across the device without causing it to conduct.
• Clamping Voltage (V_C): The maximum voltage that the device will allow during a transient event, typically specified at a certain peak pulse current (e.g., 5A).
• Peak Pulse Power (P_PP): The device can handle a peak pulse power of up to 400W (for a duration of 8/20 µs), making it suitable for protecting against high-energy transients.
• Working Peak Reverse Voltage: The SMBJ3V3-E3/52 is designed to operate effectively in environments where voltage spikes may occur, ensuring that sensitive components remain protected.

Thermal Characteristics:

• Operating Temperature Range: The device can operate within a wide temperature range, typically from -55°C to +150°C, allowing it to be used in various environmental conditions.
• Junction Capacitance: The capacitance is low, which helps maintain signal integrity in high-speed applications.

Applications:

• Protection for Data Lines: Ideal for protecting data lines in communication equipment, USB interfaces, and other sensitive electronic circuits.
• Consumer Electronics: Commonly used in smartphones, tablets, and other consumer electronics to safeguard against ESD (electrostatic discharge) and other voltage transients.
• Automotive Applications: Suitable for automotive electronics where voltage spikes can occur due to inductive loads.

Compliance and Standards:

• The SMBJ3V3-E3/52 is compliant with various industry standards, ensuring reliability and performance in critical applications. It is often RoHS compliant, indicating that it is free from hazardous substances.

Summary:

The SMBJ3V3-E3/52 from Vishay is a robust and reliable transient voltage suppressor diode that provides essential protection for electronic components against voltage spikes and transients. Its compact SMB package, combined with its electrical and thermal characteristics, makes it an excellent choice for a wide range of applications in consumer electronics, automotive systems, and data communication devices.