1N3019B-1

Overview

The Microchip Technology 1N3019B-1 is a single silicon Zener diode designed for voltage regulation applications. It features a nominal reference voltage of 9.1 V and a maximum power dissipation of 1 W. The device operates within a temperature range of -65 °C to 175 °C and utilizes a DO-204AL (DO-41) through-hole package. Key electrical characteristics include a knee impedance of up to 700 Ω, a reverse current of 25 µA at 6.9 V, and a forward current rating of 200 mA.

Feature Summary

• Provides stable voltage regulation with a nominal 9.1 V reference point
• Capable of handling 1 W power dissipation in a rugged metal case
• Engineered for high-temperature operation up to 175 °C

Applications

• Voltage regulation circuits
• Reference voltage sources
• Overvoltage protection

Procurement Notes

Verify the specific manufacturer source, as the 1N3019B-1 designation appears in documentation from multiple entities including Microchip Technology and Motorola/NXP. Confirm the package type matches your requirements, as some listings indicate DO-204AL while others reference DO-13. Ensure compliance with any applicable environmental standards or RoHS status relevant to your project specifications before finalizing procurement.

Selection Notes

Select this component when a precise 9.1 V regulation point is required with 1 W power handling capability. Consider the DO-204AL package for through-hole mounting needs. Evaluate the 700 Ω knee impedance and 25 µA reverse current against circuit leakage tolerances. Verify the operating temperature range meets the environmental conditions of the intended application.

Part Context

This part belongs to the family of silicon Zener diodes used for voltage control. Similar parts include the JANTX1N3019B and 1N3019B variants. These components are typically utilized in discrete semiconductor designs where reliable voltage clamping or referencing is necessary across varying thermal conditions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data.