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1N4254
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Product Detailed Parameters
- Description：DIODE STD 1500V 250MA S AXIAL
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1500 V
- Current - Average Rectified (Io)：250mA
- Voltage - Forward (Vf) (Max) @ If：3.5 V @ 100 mA
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 µA @ 1500 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：S, Axial
- Supplier Device Package：S, Axial
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N4254 is a high voltage rectifier diode designed for through-hole mounting in an S-package-2 axial leaded configuration. It belongs to the series of standard recovery high voltage rectifiers qualified under MIL-PRF-19500/279 standards. The device utilizes voidless-glass construction to ensure hermetic sealing, making it suitable for applications requiring high reliability where component failure is not acceptable.
Feature Summary
- Hermetically sealed with voidless-glass construction for enhanced durability
- Qualified per MIL-PRF-19500/279 military specifications
- Standard recovery speed characteristics for general high voltage use
Applications
- High voltage power supply circuits
- High-reliability aerospace systems
- Military electronic equipment
Procurement Notes
Verify that the specific order includes the required military qualification level if MIL-PRF-19500/279 compliance is mandatory for the application. Confirm the package type matches the S-package-2 specification and check RoHS status as indicated in official documentation. Ensure the supplier provides traceability data consistent with the manufacturer's quality standards.
Selection Notes
Select this component when a hermetically sealed, high-voltage rectifier with standard recovery characteristics is required. It is appropriate for designs needing robustness against harsh environments due to its voidless-glass construction. Consider the axial lead form factor for through-hole PCB assembly requirements.
Part Context
This part is part of a family of high voltage rectifiers including the 1N3643-1N3647 and 1N5181-1N5184 series. These components share similar construction techniques and are intended for demanding applications. The 1N4254 specifically addresses the need for reliable rectification in high voltage DC circuits within critical infrastructure.
Replacement Considerations
Consult official substitution lists for equivalent parts within the same military qualification family. Verify pinout compatibility and electrical ratings before replacing.
