1PGSMC5349

Single Zener Diodes Overview

The 1PGSMC5349 is a surface-mount silicon Zener diode manufactured by Taiwan Semiconductor Corporation. It features a nominal Zener voltage of 12 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 5 W and operates within a temperature range of -55°C to +175°C. Packaged in the DO-214AB (SMC) format, it exhibits a maximum reverse leakage current of 2 µA and a Zener impedance of 3 Ohms at a test current of 100 mA.

Single Zener Diodes Feature Summary

• High thermal stability enabling operation up to +175°C junction temperature
• Robust 5 W peak reverse power dissipation capability
• Low leakage current characteristics for efficient regulation

Single Zener Diodes Applications

• Voltage reference circuits requiring high-temperature reliability
• Over-voltage protection in industrial equipment
• Clamping applications in automotive electronics

Single Zener Diodes Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with RoHS and REACH regulatory standards required for your region. Cross-reference the DO-214AB footprint dimensions during PCB layout to guarantee proper soldering and mechanical fit.

Single Zener Diodes Selection Notes

Select this component when a 12 V regulation point is needed in space-constrained designs utilizing the SMC package. The extended operating temperature range makes it suitable for harsh environments where standard commercial grade parts may fail. Confirm that the 3 Ohm impedance meets the dynamic response requirements of the target circuit.

Single Zener Diodes Part Context

This part belongs to the GSMC series of high-power Zener diodes from Taiwan Semiconductor. These devices are designed for surface-mount assembly, offering higher power density compared to traditional axial leaded packages like the 1N53xx series. The SMC package provides superior heat dissipation capabilities essential for maintaining performance under continuous load conditions.

Single Zener Diodes Replacement Considerations

Direct substitutes include the SMBJ5349B from Micro Commercial Components or the 1N5349B from Microsemi, provided the package type difference between SMB and SMC is accommodated in the design.