1N4447

Single Diodes Overview

The Microchip Technology 1N4447 is a silicon rectifier diode featuring a single element configuration housed in a hermetically sealed glass DO-35 (DO-204AH) package. It supports a maximum average forward rectified current of 0.2 A and offers a repetitive peak reverse voltage rating of 75 V. The device operates within an extended temperature range from -65 °C to +150 °C, ensuring reliability in demanding environments.

Single Diodes Feature Summary

• Hermetically sealed construction utilizing double-plug glass encapsulation for environmental protection
• Internal metallurgical bonded design providing structural integrity under mechanical stress
• Fast switching characteristics optimized for high-speed signal processing applications

Single Diodes Applications

• Computer peripheral equipment interfaces
• Magnetic core memory decoding circuits
• Thin-film memory encoding systems

Single Diodes Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm exact screening levels and compliance standards. Ensure the procurement channel sources components directly from authorized distributors or the manufacturer to guarantee authenticity. Cross-reference the part number with MIL-PRF-19500 specifications if military-grade performance is required for the application.

Single Diodes Selection Notes

Select this component when a fast-switching rectifier with hermetic sealing is necessary for space-constrained designs. The DO-35 package suits through-hole mounting requirements where robust physical bonding is critical. Consider the 0.2 A current limit and 75 V reverse voltage ratings to ensure adequate headroom for the target circuit conditions.

Single Diodes Part Context

This device belongs to the JEDEC-registered 1N4446–1N4449 series of small-signal switching diodes manufactured by Microchip Technology. These components are widely recognized for their reliability in digital logic and computer memory applications. The series maintains consistent electrical characteristics while offering various packaging options to meet diverse assembly needs.

Single Diodes Replacement Considerations

Consult official substitution guides for equivalent parts meeting identical MIL-PRF-19500 specifications. Verify pinout compatibility and thermal management requirements before integrating alternative suppliers.