The SMCJ28CA-TP is a surface-mount Transient Voltage Suppressor (TVS) diode manufactured by Micro Commercial Components (MCC). It is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and Electrostatic Discharge (ESD). The SMCJ series is characterized by its high surge capability and fast response time.

Applications:

• I/O interfaces
• VCC bus protection
• Signal lines in consumer electronics
• Industrial control equipment
• Telecommunication equipment

Features:

• Surface Mount Package
• Glass passivated chip junction
• Excellent clamping capability
• Low incremental surge resistance
• Fast response time: Typically less than 1.0 ps from 0 Volts to BV minimum
• Typical IR less than 1μA above 10V
• High temperature soldering guaranteed

Benefits:

• Effective Transient Voltage Protection: Protects sensitive electronics from voltage spikes, enhancing system reliability.
• Fast Response Time: Quickly clamps transient voltages, preventing damage to downstream components.
• Low Leakage Current: Minimizes power consumption and ensures signal integrity.
• Compact Surface Mount Package: Simplifies board layout and reduces space requirements.
• High Surge Capability: Withstands high surge currents without degradation.

The SMCJ28CA-TP has a standoff voltage of 28V and a breakdown voltage typically around 31.1V. It is designed to handle a peak pulse power of 1500W at 10/1000μs waveform. The operating and storage temperature range is typically -55°C to +150°C. The device conforms to RoHS and REACH environmental standards. The clamping voltage is a critical parameter and should be carefully considered based on the sensitivity of the protected circuitry.

This TVS diode is commonly used in applications where reliable transient voltage protection is essential, such as protecting microcontrollers, memory ICs, and other sensitive components. Its robust design and compliance with industry standards make it a preferred choice for various electronic systems.