BZT52B3V3-HE3-18

Single Zener Diodes Overview

The BZT52B3V3-HE3-18 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 3.3 V with a tight tolerance of ±2%. The device is housed in an SOD-123 surface-mount package and supports a maximum power dissipation of 500 mW. It is AEC-Q101 qualified for automotive applications, ensuring reliability under demanding conditions.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive-grade reliability
• High ESD protection capability exceeding 8 kV HBM
• RoHS-compliant construction with HE3_A lead-free termination

Single Zener Diodes Applications

• Automotive voltage regulation circuits
• Overvoltage protection for sensitive electronics
• Reference voltage generation in precision analog designs

Single Zener Diodes Procurement Notes

Verify the specific ordering code suffix to confirm the reel size and packaging format required for your assembly line. Ensure that the component meets the RoHS3 compliance standards mandated by your target market regulations. Cross-reference the datasheet revision date to guarantee access to the most current electrical specifications and mechanical dimensions before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 3.3 V reference is required within a compact SMD footprint. The ±2% tolerance makes it suitable for applications where standard commercial grades are insufficient. Consider the thermal resistance characteristics if operating near the upper limits of the specified temperature range.

Single Zener Diodes Part Context

This part belongs to the BZT52 series of small signal Zener diodes. The 'B' designation indicates the tighter 2% voltage tolerance grade compared to the standard 'C' grade. The 'HE3' suffix denotes the use of Vishay's Green Molding Compound and lead-free terminations, while the '-18' suffix specifies the 13-inch tape and reel packaging configuration.

Single Zener Diodes Replacement Considerations

Direct substitutes include other BZT52B3V3 variants from Vishay with different packaging options, such as cut tape or smaller reels. Verify that any replacement maintains the same AEC-Q101 qualification status and identical pinout compatibility for direct board-level interchangeability.