1N4759CP/TR8

Overview

The Microchip Technology 1N4759CP/TR8 is a silicon 1-watt Zener diode in the 1N4728AP through 1N4764AP series. It provides voltage regulation at a nominal Zener voltage of 62 volts with a tight tolerance of plus or minus 2 percent, indicated by the C suffix. The device operates within an ambient temperature range of -65°C to +150°C and features a plastic DO-41 package. Electrical characteristics include a maximum dynamic impedance of 125 ohms at a test current of 4.0 mA and a maximum reverse current of 5 microamperes.

Feature Summary

• Provides precise voltage regulation with a 2% tolerance on the nominal Zener voltage.
• Features a void-free transfer molded thermosetting epoxy body for moisture resistance.
• Offers flexible axial-lead mounting terminals suitable for standard PCB assembly.

Applications

• Voltage regulation in power supply circuits
• Reference voltage generation in electronic systems
• Overvoltage protection applications

Procurement Notes

Verify that the ordering suffix TR8 corresponds to the tape and reel packaging option described in the datasheet as adding a TR suffix. Confirm the component meets RoHS compliance requirements if applicable, noting that e3 suffix devices are available. Ensure the specific lot matches the required screening level, as military screening options require distinct prefixes not present in this base part number.

Selection Notes

Select this component when a 62-volt regulation point with high precision is required. The 2% tolerance makes it suitable for applications demanding tighter voltage stability than standard 5% or 10% variants. Consider the plastic construction for lower thermal resistance compared to glass-body options, while ensuring the operating environment remains within the specified temperature limits.

Part Context

This device belongs to the popular 1N4728A through 1N4764A series of 1.0 watt Zener diodes manufactured by Microsemi Scottsdale Division. The series covers a broad voltage selection from 3.3 to 100 volts. The 1N4759 variant specifically targets the higher voltage end of the spectrum, offering robust performance in standard axial-lead packages for general-purpose regulation tasks.

Replacement Considerations

Equivalent parts include other manufacturers' 1N4759A diodes with matching 62V specifications. For tighter tolerances, verify availability of 1N4759C equivalents. Plastic encapsulated versions should be selected to match the thermal and mechanical properties of the original DO-41 package.