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B140WSQ-7
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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 1A SOD323
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：620 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：50 µA @ 40 V
- Capacitance @ Vr, F：125pF @ 0V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SC-76, SOD-323
- Supplier Device Package：SOD-323
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The B140WSQ is a surface-mount Schottky barrier rectifier manufactured by Diodes Incorporated. It features a maximum repetitive reverse voltage of 40 V and an average rectified output current of 1 A. The forward voltage drop is typically 0.56 V at 1 A, with a maximum reverse current of 50 μA at 40 V. The device operates within a junction temperature range of -55 to +150 °C and utilizes an SOD323 package.
Feature Summary
- Guard ring construction provides transient protection capabilities.
- Qualified for automotive applications requiring specific change control.
- Manufactured in IATF16949 certified facilities with PPAP capability.
Applications
- Automotive electronics systems
- Switched mode power supplies
- High frequency DC to DC converters
Procurement Notes
Verify the component against the official datasheet DS45688 Rev. 3-2 to confirm electrical parameters and package dimensions. Ensure that the procurement channel is authorized to guarantee product authenticity and compliance with RoHS and halogen-free standards specified by the manufacturer.
Selection Notes
Select this component for circuits requiring low forward voltage drop and high conductance. Consider the thermal resistance characteristics when designing for ambient temperatures up to 150 °C. Verify that the 1 A current rating meets the load requirements without exceeding derating curves.
Part Context
This part belongs to the B140 series of Schottky barrier rectifiers from Diodes Incorporated. It is designed for surface-mount technology applications where space efficiency and reliability are critical. The SOD323 package allows for compact PCB layouts while maintaining robust electrical performance.
Replacement Considerations
Consult the manufacturer's documentation for verified substitute part numbers. Cross-referencing should be performed based on matching electrical specifications and package compatibility.
FAQ
Is the B140WSQ suitable for automotive applications?
Yes, the B140WSQ is AEC-Q101 qualified and suitable for automotive applications requiring specific change control.
What is the typical forward voltage drop at rated current?
The typical forward voltage drop is 0.56 V at an forward current of 1 A.
