RD91P-T1-AZ

Single Zener Diodes Overview

The RD91P-T1-AZ is a single Zener diode manufactured by Renesas, categorized under discrete semiconductor products. It is designed for voltage regulation and protection applications within electronic circuits. The component utilizes a Power Mini Mold package configuration, specifically identified as TO-243AA in technical specifications. It features a power rating of 1W, allowing it to handle specific power dissipation requirements in surface mount assemblies. The device operates as a unidirectional voltage reference element, providing stable breakdown voltage characteristics essential for circuit stability.

Single Zener Diodes Feature Summary

• Single Zener diode configuration for voltage regulation
• Power Mini Mold (TO-243AA) surface mount packaging
• 1W power rating capability
• Designed for industrial and commercial electronic protection

Single Zener Diodes Applications

• Voltage reference circuits
• Over-voltage protection stages
• Clamping applications in power supplies
• General purpose discrete semiconductor protection

Single Zener Diodes Procurement Notes

Verify the exact breakdown voltage value from the official Renesas datasheet before integration, as this critical parameter defines the component's operational limit. Confirm the thermal resistance characteristics match your PCB layout constraints. Ensure the TO-243AA footprint aligns with your assembly capabilities. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and traceability. Check for any specific handling or storage requirements outlined in the product documentation.

Single Zener Diodes Selection Notes

Select this component when a 1W surface mount Zener diode is required for voltage clamping or reference duties. The TO-243AA package offers a balance between power handling and board space efficiency compared to larger through-hole options. Consider the thermal environment of the application, as the Power Mini Mold design relies on PCB copper area for heat dissipation. Evaluate the required breakdown voltage tolerance against the specific needs of the protected circuitry to ensure reliable operation under varying load conditions.

Single Zener Diodes Part Context

This component belongs to Renesas' portfolio of discrete semiconductor devices, specifically within the diode category. While Renesas is widely known for microcontrollers and automotive ICs, this part represents their offering in passive-like active components for circuit protection. The RD91P series indicates a specific line of power mini mold Zener diodes, distinct from their complex integrated circuits. This classification places it alongside other standard discrete components used for fundamental electrical protection functions.

Single Zener Diodes Replacement Considerations

Consult the official Renesas datasheet for direct equivalent part numbers if availability is an issue. Verify that any substitute maintains the same 1W power rating and TO-243AA package dimensions. Ensure the replacement Zener diode has compatible breakdown voltage and tolerance specifications. Check for identical thermal performance characteristics to prevent overheating in the existing design.