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1N4246
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Product Detailed Parameters
- Description：DIODE STANDARD 400V 1A AXIAL
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.3 V @ 3 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：5 µs
- Current - Reverse Leakage @ Vr：1 µA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：Axial
- Supplier Device Package：Axial
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The 1N4246 is a standard recovery rectifier diode manufactured by Harris Corporation. It features a single silicon element with a maximum average forward current of 1 A and a repetitive peak reverse voltage of 400 V. The device has a maximum forward voltage of 1.2 V and a maximum non-repetitive peak forward surge current of 25 A. Operating temperatures range from -65 °C to 160 °C. It is available in through-hole packages such as DO-41.
Feature Summary
- Standard recovery rectifier design for general-purpose applications
- Hermetically sealed glass passivated junction construction
- High thermal stability across extended temperature ranges
Applications
- General purpose rectification circuits
- Power supply input stages
- Free-wheeling diode applications
Procurement Notes
Verify the manufacturer origin carefully, as the 1N4246 designation is widely used by multiple vendors including Vishay and Semtech. Confirm that the specific Harris Corporation variant meets your required package style and compliance standards before procurement. Ensure the component matches the exact electrical specifications needed for your circuit design.
Selection Notes
Select this component when a 400V rated standard recovery diode is required. Consider the 1A current rating and 1.2V forward voltage drop for efficiency calculations. Verify package compatibility with existing PCB layouts. Check for RoHS compliance if environmental regulations apply to the final assembly.
Part Context
Harris Corporation produced various discrete semiconductor components under the 1N series designations. This rectifier belongs to the family of standard recovery diodes designed for reliable performance in commercial and industrial environments. The company's historical focus on defense and aerospace electronics influenced the robustness of these components.
Replacement Considerations
Equivalent parts include the 1N400x series for lower voltage requirements or other 1N4246 variants from manufacturers like Vishay. Ensure substitute components match the 400V reverse voltage and 1A forward current ratings.
