BZX84C56-E3-18

Single Zener Diodes Overview

The Vishay BZX84C56-E3-18 is a silicon planar Zener diode in the BZX84 series, housed in an SOT-23 package. It provides a nominal Zener voltage of 56 V with a standard tolerance of ±5%. The device operates at a test current of 2 mA and features a maximum reverse leakage current of 0.05 µA at 47.6 V. Dynamic resistance is specified between 200 Ω and 425 Ω at the test current. Power dissipation reaches 500 mW on FR-4 boards, with an operating temperature range from -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for stable voltage regulation
• Complies with RoHS standards for commercial grade applications
• Offers high ESD protection capability exceeding 8 kV via human body model

Single Zener Diodes Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• Clamping applications for transient suppression

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the specific voltage tolerance and packaging requirements. Confirm compliance with regional environmental directives such as RoHS before finalizing procurement. Ensure the supplier documentation aligns with the manufacturer's official specifications for the BZX84 series.

Single Zener Diodes Selection Notes

Select this component when a 56 V reference is needed within a compact surface-mount footprint. Consider the ±5% tolerance and dynamic resistance characteristics for circuit accuracy. Evaluate thermal management needs based on the 500 mW dissipation rating under recommended soldering conditions.

Single Zener Diodes Part Context

This part belongs to the Vishay BZX84 series of small signal Zener diodes. The series covers a wide voltage range from 2.2 V to 75 V. Standard variants like the C-code offer ±5% tolerance, while B-code variants provide tighter ±2% precision. All are designed for general-purpose voltage regulation tasks.

Single Zener Diodes Replacement Considerations

Substitute with other BZX84C56 variants from Vishay or equivalent Zener diodes offering 56 V nominal voltage and compatible SOT-23 packaging. Verify that replacement parts meet the same electrical parameters, specifically regarding leakage current and dynamic resistance limits.