1N4754PE3/TR12

Overview

The Microchip Technology 1N4754PE3/TR12 is a silicon 1.0-watt Zener diode in the 1N4728AP through 1N4764AP series, housed in a plastic DO-41 (DO-204AL) axial-lead package. It provides voltage regulation at a nominal Zener voltage of 39 V with a standard tolerance of ±10%. The device operates within a temperature range of -65°C to +150°C and features a maximum reverse leakage current of 5 µA at a test voltage of 25 V. Electrical characteristics include a dynamic impedance of 60 Ohms at a test current of 6.5 mA and a forward voltage of 1.2 V maximum at 200 mA.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features flexible axial-lead mounting terminals for standard PCB integration
• Constructed with void-free transfer molded thermosetting epoxy meeting UL94V-0 standards
• Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020

Applications

• Voltage regulation circuits requiring 1.0 watt power dissipation
• Power supply reference applications
• Protection against overvoltage transients

Procurement Notes

Verify that the specific part number suffix matches the required RoHS compliance status and packaging format. Confirm the manufacturer origin, as this component lineage originates from Microsemi, now part of Microchip Technology. Ensure the ordering quantity aligns with the tape and reel specifications provided by the supplier. Cross-reference the electrical parameters against the official datasheet to confirm suitability for the intended thermal and voltage conditions.

Selection Notes

Select this component when a 39 V regulation point is required with a 10% tolerance. Consider the plastic DO-41 package for its lower thermal resistance compared to glass-body options. Verify that the application environment stays within the specified -65°C to +150°C operating range. Check if tighter voltage tolerances are needed, as other suffixes offer 2% or 1% variations.

Part Context

This device belongs to the popular 1N4728AP through 1N4764AP series of silicon Zener diodes. The series offers an extensive voltage selection from 3.3 to 100 volts. The 'P' suffix indicates plastic encapsulation, while the 'e3' suffix denotes RoHS compliance with annealed matte-tin plating. These components are JEDEC registered and designed for general-purpose voltage regulation tasks.

Replacement Considerations

Equivalent parts include 1N4754A, 1N4754AP, and 1N4754CP. Surface mount equivalents such as SMAJ4754A or MLL4754A are available from the same manufacturer family.