1SMA5918BT3G-IRHW02

Single Zener Diodes Overview

The onsemi 1SMA5918BT3G is a silicon Zener diode designed for surface-mount applications in the SMA (DO-214AC) package. It provides a nominal Zener voltage of 16 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 1.5 W and features a maximum dynamic impedance of 10 ohms. Operating characteristics include a reverse leakage current of 500 nA at 12.2 V and a forward voltage drop of 1.2 V at 200 mA. The component supports an operating temperature range from -65°C to +150°C, ensuring reliability across diverse industrial environments.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation within a tight ±5% tolerance band
• Engineered for high thermal stability across extended temperature ranges
• Optimized for compact surface-mount PCB layouts

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection stages
• Clamping applications in signal lines

Single Zener Diodes Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact binning or tape-and-reel specifications. Ensure the ordering part number matches the required packaging format and quality grade. Cross-reference the datasheet revision date to validate parameter consistency before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 16 V regulation point is required in space-constrained designs. The SMA package offers a balance between power handling and footprint efficiency. Consider the 10-ohm dynamic impedance for noise-sensitive applications requiring stable clamping performance under varying load conditions.

Single Zener Diodes Part Context

This device belongs to the 1SMA59xxBT3G series of unidirectional voltage regulator diodes manufactured by onsemi. The series utilizes standard SMA plastic encapsulation to deliver robust performance in general-purpose electronic systems. It serves as a fundamental discrete semiconductor solution for basic voltage control tasks.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.