1N4626UR-1/TR

Overview

The Microchip Technology 1N4626UR-1/TR is a surface mount Zener diode featuring a DO-213AA-2 package. It provides a nominal voltage of 5.6 V with a tight tolerance of 2%. The device dissipates up to 500 mW and operates within a temperature range of -65°C to +175°C. Key electrical parameters include a maximum reverse leakage current of 5 µA, a Zener impedance of 1.4 kΩ, and a test current of 250 µA.

Feature Summary

• Internal metallurgical bond construction for enhanced reliability
• Surface mount design equivalent to JEDEC registered axial series
• Military qualification options available within the series

Applications

• Voltage regulation in high-reliability circuits
• Reference voltage sources in precision instrumentation
• Overvoltage protection in aerospace systems

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure correct tolerance and bonding type. Confirm military qualification requirements if applicable. Check RoHS status as non-compliant variants exist. Validate package dimensions against PCB footprint specifications before integration.

Selection Notes

Select this component when a 5.6 V reference with 2% tolerance is required in a compact surface mount form factor. Consider the 1.4 kΩ impedance for noise-sensitive applications. Ensure the operating environment stays within the specified thermal limits for long-term stability.

Part Context

This part belongs to the 1N4614-1 through 1N4627-1 series of 0.5 W glass surface mount Zener regulators. These devices offer internal metallurgical bonding identified by the "-1" suffix, providing superior mechanical integrity compared to non-bonded types. The series covers voltages from 1.8 to 100 V.

Replacement Considerations

JAN1N4626-1 offers equivalent electrical performance in bulk packaging. 1N4626UR/TR provides similar specifications without the military-grade metallurgical bond. Verify pinout compatibility and thermal characteristics when substituting.