SMBJ30CA-E3/52

The SMBJ30CA-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: TVS Diode
• Package: SMB (DO-214AA), a surface-mount package that is compact and suitable for automated assembly.
• Polarity: Bidirectional, allowing it to clamp both positive and negative voltage transients.

Electrical Characteristics:

• Reverse Stand-Off Voltage (V_RWM): 30V, which is the maximum voltage that can be applied without causing the diode to conduct.
• Clamping Voltage (V_C): Typically around 45V at a specified peak pulse current, indicating the maximum voltage the diode will allow during a transient event.
• Peak Power Dissipation: Capable of withstanding a peak power of 600W for a duration of 8/20 µs, making it suitable for protecting against high-energy transients.
• Operating Temperature Range: -55°C to +150°C, allowing it to function in a wide range of environmental conditions.

Performance Features:

• Low Leakage Current: Ensures minimal current flow under normal operating conditions, which is crucial for battery-powered devices.
• Fast Response Time: The SMBJ30CA-E3/52 reacts quickly to voltage spikes, providing immediate protection to connected components.
• High Reliability: Designed to meet stringent quality standards, ensuring long-term performance in various applications.

Applications:

• Consumer Electronics: Protects devices such as smartphones, tablets, and laptops from voltage surges.
• Automotive: Used in automotive electronics to safeguard against transients caused by load dumps or inductive switching.
• Telecommunications: Protects communication lines and equipment from lightning strikes and other electrical disturbances.
• Industrial Equipment: Ensures the reliability of control systems and machinery by preventing damage from voltage spikes.

Compliance and Standards:

• The SMBJ30CA-E3/52 is compliant with various industry standards, making it suitable for use in applications that require adherence to specific regulatory requirements.

Conclusion:

The SMBJ30CA-E3/52 from Vishay is a robust and reliable transient voltage suppressor diode, ideal for protecting sensitive electronic components across a wide range of applications. Its bidirectional design, high power handling capability, and low leakage current make it a preferred choice for engineers looking to enhance the durability and reliability of their electronic systems.