BZT52B12-E3-08

Single Zener Diodes Overview

The BZT52B12-E3-08 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 12 V with a tight tolerance of ±2%. The device operates within a test current range of 2 to 5 mA and features a maximum dynamic resistance of 20 Ohms at the specified test current. It is housed in an SOD-123 surface-mount package, supporting a power dissipation of up to 410 mW under standard conditions. The component is designed for commercial applications and complies with RoHS standards.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for stable voltage regulation
• Offers high precision with a ±2% Zener voltage tolerance
• Complies with RoHS directives for commercial grade usage

Single Zener Diodes Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection for sensitive electronic components
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the specific BZT52B series designation to ensure the required ±2% tolerance is met. Confirm the suffix indicates the E3 compliance status for lead-free requirements. Check the latest datasheet revision for any updates to thermal characteristics or marking codes before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when circuit designs demand tighter voltage stability than standard ±5% devices provide. Ensure the operating current remains within the specified test range to maintain accuracy. Consider the SOD-123 footprint constraints during PCB layout to accommodate the physical dimensions and thermal dissipation requirements of the package.

Single Zener Diodes Part Context

This part belongs to the BZT52 series of small signal Zener diodes from Vishay. The 'B' designation specifically denotes the tighter ±2% tolerance grading compared to the standard 'C' series. These diodes are widely used in general-purpose electronics where reliable voltage clamping and reference capabilities are necessary in compact surface-mount form factors.

Single Zener Diodes Replacement Considerations

Substitute parts must match the 12 V nominal voltage, ±2% tolerance, and SOD-123 package. Verify that alternative manufacturers offer equivalent dynamic resistance and power dissipation ratings to ensure circuit performance parity.