PTZTE259.1A

Single Zener Diodes Overview

The PTZTE259.1A is a single Zener diode manufactured by ROHM Semiconductor, designed for surface-mount applications in the PMDS (DO-214AC/SMA) package. It features a nominal Zener voltage of 9.1V with a tolerance of ±6% and a maximum power dissipation of 1W. Key electrical characteristics include a maximum Zener impedance (Zzt) of 6 Ohms and a reverse leakage current of 20 µA at 6V. The device exhibits a voltage temperature coefficient of 5.9 mV/°C, ensuring stable performance across operating temperatures.

Single Zener Diodes Feature Summary

• Single Zener diode configuration optimized for precision voltage regulation
• Surface-mount construction in compact DO-214AC (SMA) package
• Low Zener impedance for effective noise filtering and stability

Single Zener Diodes Applications

• Precision voltage reference circuits
• Over-voltage protection stages
• Voltage clamping applications

Single Zener Diodes Procurement Notes

Verify the complete part number including suffixes such as 'A' or 'B', as these may indicate specific tape-and-reel packaging or binning variations rather than functional differences. Confirm the package type matches the design footprint requirements. Ensure the supplier provides official datasheets to validate the 9.1V rating and 1W power handling capabilities before integration into production.

Single Zener Diodes Selection Notes

Select this component when a 9.1V regulation point is required in a space-constrained surface-mount design. The DO-214AC package offers a balance of thermal performance and board area efficiency. Consider the ±6% tolerance and 6 Ohm impedance if tight voltage accuracy or low-noise performance is critical for the target application circuit.

Single Zener Diodes Part Context

This component belongs to the discrete semiconductor category, specifically within the Zener diode subfamily produced by ROHM Semiconductor. It is engineered for general-purpose voltage regulation tasks where reliable performance in small form factors is necessary. The part is distinct from multi-diode arrays or transient voltage suppressors due to its single-element structure and specific breakdown characteristics.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 9.1V Zener voltage, 1W power rating, and DO-214AC package. Verify that alternative components maintain similar impedance and leakage specifications to ensure circuit compatibility without redesigning surrounding passive elements.

Single Zener Diodes FAQ

What is the maximum power dissipation of the PTZTE259.1A?

The maximum power dissipation is 1 Watt.

What package does the PTZTE259.1A use?

It uses the DO-214AC package, also known as SMA.