The P6SMB33AHE3-A/H is a surface-mount transient voltage suppressor (TVS) diode manufactured by Vishay. It is designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and ESD events. The 'HE3' likely refers to lead-free and RoHS compliance and the '-A/H' to specific packaging or testing variations.

Applications:

• Protection of sensitive electronic equipment
• Surge protection in consumer electronics, industrial, and telecommunications applications
• Overvoltage protection for I/O interfaces, VCC bus, and other vulnerable circuits
• Protection against induced lightning
• Use in automotive electronics systems

Features:

• Glass passivated junction
• Excellent clamping capability
• Low incremental surge resistance
• Typical IR less than 1μA above 33V
• Fast response time: typically less than 1.0 ps from 0 Volts to BV min
• High temperature soldering guaranteed: 260°C/10 seconds at terminals
• Plastic package has Underwriters Laboratory Flammability Classification 94V-0
• Matte tin plated leads, solderable per JESD22-B102
• AEC-Q101 qualified

Benefits:

• Provides robust overvoltage protection, enhancing system reliability.
• Fast response time ensures quick clamping action, preventing damage to sensitive components.
• Surface mount SMA package allows for automated assembly and saves board space.
• High surge capability offers reliable protection against high-energy transients.
• Compliant with environmental standards, promoting responsible manufacturing.
• AEC-Q101 qualified for automotive applications.

Technical Specifications:

The P6SMB33AHE3-A/H is a uni-directional TVS diode. The stand-off voltage is 33V. The breakdown voltage is typically 36.7V to 40.6V. The clamping voltage is typically 53.3V @ 33.9A. The peak pulse power dissipation is 600W. It operates over a temperature range of -65°C to +150°C. The package is SMA/DO-214AA. Maximum reverse leakage current is 1 uA at the working voltage. The forward voltage drop is approximately 3.5V.