1SMA150ZH

Single Zener Diodes Overview

The 1SMA150ZH is a single Zener diode manufactured by Taiwan Semiconductor Corporation, housed in the SMA (DO-214AC) surface-mount package. It features a nominal Zener voltage of 150 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 1.25 W at ambient temperature. Key electrical characteristics include a maximum reverse leakage current of 5 µA at the rated voltage and a maximum Zener impedance of 1.3 kΩ. The component operates within a junction temperature range of -65°C to +175°C and is designed for general-purpose voltage regulation applications.

Single Zener Diodes Feature Summary

• Provides stable voltage reference and regulation in compact surface-mount form factor
• Engineered for high thermal stability and reliable operation across wide temperature ranges
• Offers low leakage current characteristics suitable for precision circuit protection

Single Zener Diodes Applications

• Voltage regulation in consumer electronics power supplies
• Over-voltage protection circuits in industrial control systems
• Reference voltage generation in measurement instrumentation

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with standard SMA footprint layouts during PCB design. Confirm RoHS compliance status through official datasheets prior to integration into regulated assemblies.

Single Zener Diodes Selection Notes

Select this component when a 150 V regulation point is required in space-constrained designs. Evaluate thermal management requirements based on the 1.25 W power rating and expected ambient conditions. Compare leakage specifications against circuit sensitivity requirements to ensure adequate performance margins.

Single Zener Diodes Part Context

This part belongs to the 1SMA series of Zener diodes from Taiwan Semiconductor. The series utilizes the DO-214AC package to provide robust mechanical stability and efficient heat dissipation compared to smaller packages. It serves as a discrete solution for voltage clamping and reference applications where higher power handling than SOD packages allows.

Single Zener Diodes Replacement Considerations

Cross-reference with equivalent SMA-packaged Zener diodes offering 150 V nominal voltage and 1.25 W power rating. Verify pinout compatibility and thermal resistance values before substitution.