1N5533CUR-1

Overview

The Microchip Technology 1N5533CUR-1 is a Zener diode designed for surface-mount applications in the DO-213AA package. It features a nominal Zener voltage of 13 V with a tolerance of ±5% and a maximum power dissipation of 500 mW. The device operates within a temperature range of -65°C to +175°C and exhibits a maximum Zener impedance of 90 Ohms at a test current of 1 mA.

Feature Summary

• Provides stable voltage regulation through Zener breakdown characteristics
• Engineered for high-temperature reliability up to 175°C junction temperature
• Utilizes a compact surface-mount form factor for automated assembly

Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in sensitive electronic systems
• Clamping applications in signal conditioning paths

Procurement Notes

Verify the specific suffix CUR-1 against official Microchip documentation to confirm exact manufacturing lot attributes and compliance status. Ensure the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability for critical deployments.

Selection Notes

Select this component when a 13 V regulation point is required in a surface-mount layout. Confirm that the 500 mW power rating and 90 Ohm impedance meet the circuit's thermal and dynamic load requirements. Validate compatibility with the target PCB footprint and reflow soldering profiles.

Part Context

This part belongs to the 1N5532 series family, which includes various Zener voltage options in standardized packages. The CUR-1 suffix typically denotes a specific commercial or military-grade variant within the broader Microchip diode portfolio, sharing common electrical behaviors with adjacent voltage ratings.

Replacement Considerations

Consult official substitution guides for equivalent parts such as JAN1N5533CUR-1 or CDLL5533BE3/TR. Verify pinout compatibility and ensure replacement devices match the required voltage tolerance and power dissipation specifications.