1SMA4748-GT3

Single Zener Diodes Overview

The 1SMA4748-GT3 is a single Zener diode manufactured by SMC Diode Solutions, designed for surface-mount applications in the DO-214AC (SMA) package. It features a nominal Zener voltage of 22 V with a tolerance of ±5% and a maximum power dissipation of 1 W. The device exhibits a forward voltage of 1.2 V at 200 mA and a reverse leakage current of 5 µA at 11.4 V. Operating within a junction temperature range of -65°C to 150°C, it offers a maximum impedance of 14 Ohms.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation and clamping capabilities in surface-mount configurations
• Engineered for high thermal stability across an extended operating temperature range
• Constructed in a compact DO-214AC (SMA) package for automated assembly integration

Single Zener Diodes Applications

• Voltage reference circuits requiring precise 22 V regulation
• Overvoltage protection and transient suppression in electronic systems
• Clamping applications in signal processing and power supply designs

Single Zener Diodes Procurement Notes

Verify the complete part number including the GT3 suffix to ensure compatibility with specific manufacturing requirements. Confirm that the DO-214AC package dimensions align with the intended PCB footprint. Check RoHS compliance status if environmental regulations apply to the final product assembly. Ensure storage conditions maintain component integrity prior to soldering.

Single Zener Diodes Selection Notes

Select this component when a 1 W surface-mount Zener diode with 22 V regulation is required. The DO-214AC package suits space-constrained designs needing automated placement. Consider the ±5% tolerance for applications demanding moderate voltage precision. Evaluate the 14 Ohm impedance for dynamic load response requirements in the target circuit topology.

Single Zener Diodes Part Context

This component belongs to the 1SMA series of single Zener diodes from SMC Diode Solutions. The series utilizes the SMA surface-mount package to provide robust performance in compact electronics. The GT3 suffix typically denotes tape-and-reel packaging suitable for high-volume automated manufacturing processes.

Single Zener Diodes Replacement Considerations

The 1SMA4748 is a direct equivalent part number from the same manufacturer family. Verify pinout and package compatibility before substituting with components from other manufacturers.