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Product Detailed Parameters
- Description：DIODE ARRAY SCHOTT 40V 50MA SMD3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Diode Configuration：1 Pair Common Cathode
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io) (per Diode)：50mA
- Voltage - Forward (Vf) (Max) @ If：550 mV @ 100 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：30 µA @ 10 V
- Operating Temperature - Junction：125°C (Max)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SMD3
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The RB425DFHT146 is a Schottky barrier diode manufactured by ROHM Semiconductor, designed for surface-mount applications in the SOT-346 (SMD3) package. It features a single configuration with a maximum repetitive reverse voltage of 40V and an average rectified forward current of 100mA. The device exhibits a maximum forward voltage of 0.55V at 100mA and a maximum reverse current of 30µA at 10V. It supports a forward surge current of 1A and operates within a junction temperature range of -40°C to +125°C.
Feature Summary
- Low forward voltage characteristics for improved efficiency
- Ultra-low reverse leakage current for high reliability
- High ESD withstand capability
- Compact mold-type construction suitable for portable electronics
Applications
- Computer peripheral circuits
- Mobile phone power management
- Portable electronic device rectification
Procurement Notes
Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status via official documentation before integration. Check for recommended new design alternatives as this part may be subject to lifecycle changes. Ensure storage conditions meet specified humidity sensitivity levels to prevent damage prior to assembly.
Selection Notes
Select this component for low-voltage, low-current rectification tasks requiring minimal footprint. The SOT-346 package suits dense PCB layouts. Consider thermal management capabilities within the 125°C limit. Evaluate reverse voltage margins against circuit spikes. Compare forward voltage drops with alternative Schottky diodes if efficiency is critical.
Part Context
This component belongs to ROHM's Schottky Barrier Diode series, characterized by silicon epitaxial planar structures. It is engineered to balance low forward voltage and low reverse current. The SMD3 package standardizes surface-mount compatibility across various consumer electronics designs.
Replacement Considerations
Consult official datasheets for direct pin-compatible substitutes. Verify electrical parameters match or exceed original specifications. Check package dimensions for mechanical fit. Review manufacturer recommendations for end-of-life transitions.
