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1N4256
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Product Detailed Parameters
- Description：DIODE STD 2500V 250MA S AXIAL
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：2500 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 @ 2500 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 1N4256 is a high voltage rectifier diode manufactured by Microchip Technology. It belongs to the standard recovery series and is military qualified to MIL-PRF-19500/279 standards. The component is housed in an axial package and functions as a single discrete diode for rectification applications.
Feature Summary
- Military qualification compliant with MIL-PRF-19500/279
- High voltage rectification capability
- Standard recovery time characteristics
Applications
- Military electronic systems requiring qualified components
- High voltage power supply circuits
- Industrial rectification modules
Procurement Notes
Verify that the specific unit acquired matches the official Microchip Technology part number 1N4256. Confirm military qualification status against MIL-PRF-19500/279 requirements. Check RoHS compliance status, as sources indicate non-compliance for this specific part. Ensure the axial package type aligns with design specifications before integration.
Selection Notes
Select this component when military-grade reliability and high voltage handling are required. The standard recovery characteristic suits general rectification rather than high-frequency switching. Verify package compatibility for axial mounting. Consider the RoHS non-compliant status if environmental regulations restrict lead-based materials in the final assembly.
Part Context
This device is part of a series including parts like 1N3644 through 1N3647, all sharing similar military qualifications under MIL-PRF-19500/279. It serves as a discrete single diode within the broader rectifier category offered by Microchip Technology and its predecessor entities.
Replacement Considerations
Substitutes must meet MIL-PRF-19500/279 military qualification standards. Compatible replacements include other parts from the 1N3644–1N3647 series or equivalent military-qualified high voltage axial rectifiers with matching electrical ratings.
FAQ
Is the 1N4256 RoHS compliant?
No, available documentation indicates the 1N4256 is RoHS non-compliant.
What military standard does the 1N4256 qualify for?
It is qualified to MIL-PRF-19500/279.
