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Product Detailed Parameters
- Description：DIODE STD 75V 300MA B SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：75 V
- Current - Average Rectified (Io)：300mA
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 100 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：5 ns
- Current - Reverse Leakage @ Vr：500 nA @ 75 V
- Capacitance @ Vr, F：5pF @ 0V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, B
- Supplier Device Package：B, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The 1N6642USE3/TR is a lead-free small signal switching diode manufactured by Microchip Technology. It features a surface mount SQ SMT (D-5D-2) package and operates with a peak reverse voltage of 75 V and a forward current of 300 mA. Key electrical parameters include a maximum reverse current of 500 nA, a forward voltage of 1.2 V, and a recovery time of 5 ns. The device supports an operating temperature range from -65°C to +175°C and has a maximum diode capacitance of 5 pF.
Feature Summary
- Lead-free construction compliant with environmental standards
- Ultrafast switching capability for high-frequency applications
- Hermetic surface mount packaging for reliability
Applications
- Signal or computer diode circuits
- High frequency DC-to-DC converters
- Low voltage switch-mode power supplies
Procurement Notes
Verify the specific suffix configuration against official datasheets to ensure compatibility with design requirements. Confirm that the lead-free designation aligns with project environmental compliance standards. Check manufacturing origin and lot traceability if required for critical systems. Ensure ordering quantities match reel specifications provided by the manufacturer.
Selection Notes
Select this component when a hermetic surface mount switching diode with ultrafast recovery characteristics is required. The SQ SMT package offers a compact footprint suitable for space-constrained designs. Consider the wide operating temperature range for harsh environment applications. Verify that the 75V rating meets the circuit's voltage stress requirements.
Part Context
This part belongs to the 1N6642 series of small signal switching diodes produced by Microchip Technology. The series includes various package options such as through-hole and different surface mount configurations. The 'e3' suffix indicates a lead-free finish, distinguishing it from standard versions while maintaining identical electrical performance characteristics.
Replacement Considerations
Direct substitutes include other 1N6642 variants with compatible packages, such as 1N6642USe3 in bulk packaging. Cross-reference pinouts and thermal resistance values when replacing non-hermetic versions with hermetic equivalents.
