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Product Detailed Parameters
- Description:DIODE SCHOTTKY 40V 500MA SOD123
- Series:-
- Mfr:Diodes Incorporated
- Package:Tape & Reel (TR),Cut Tape (CT)
- Technology:Schottky
- Voltage - DC Reverse (Vr) (Max):40 V
- Current - Average Rectified (Io):500mA
- Voltage - Forward (Vf) (Max) @ If:510 mV @ 500 mA
- Speed:Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):-
- Current - Reverse Leakage @ Vr:20 µA @ 40 V
- Capacitance @ Vr, F:170pF @ 0V, 1MHz
- Mounting Type:Surface Mount
- Package / Case:SOD-123
- Supplier Device Package:SOD-123
- Operating Temperature - Junction:-65°C ~ 150°C
- Grade:Automotive
- Qualification:AEC-Q101
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Overview
The B0540WQ-7-F is a surface mount Schottky barrier rectifier manufactured by Diodes Incorporated. It features an average forward current of 0.5 A and a peak repetitive reverse voltage of 40 V. The maximum forward voltage drop is 0.51 V at 0.5 A, with a maximum leakage current of 10 µA at 20 V reverse bias. The device operates within a temperature range of -65°C to +150°C and utilizes an SOD-123 package.
Feature Summary
- Low forward voltage drop for high conductance
- Guard ring construction for transient protection
- Qualified to AEC-Q101 standards for automotive reliability
Applications
- DC-DC Converters
- Mobile Telecommunications
- Blocking Diodes
- Reverse Polarity Protection
Procurement Notes
Verify the specific ordering suffix '-7-F' corresponds to the tape and reel packaging configuration containing 3,000 units per reel. Confirm that the component meets RoHS compliance and is halogen-free as specified in the manufacturer's documentation. Ensure the procurement channel provides valid traceability for AEC-Q101 qualified parts intended for automotive applications.
Selection Notes
Select this component for circuits requiring low forward voltage characteristics to minimize power dissipation. The SOD-123 case size is suitable for space-constrained surface mount designs. Verify that the 40 V reverse voltage rating exceeds the maximum expected circuit voltage to ensure reliable blocking performance under all operating conditions.
Part Context
This part belongs to the B0540WQ series of Schottky barrier rectifiers from Diodes Incorporated. It is designed specifically for surface mount technology applications. The product line emphasizes high reliability through AEC-Q101 qualification, making it appropriate for demanding environments where standard consumer-grade components may not suffice.
Replacement Considerations
B0540WSHE3-TP (Micro Commercial Components)
FAQ
What is the thermal resistance junction-to-ambient air?
The thermal resistance junction-to-ambient air is 385 °C/W on FR-4 PCB and 325 °C/W on Polymide PCB.
Does the device support non-repetitive surge currents?
Yes, the device supports a non-repetitive peak forward surge current of 5.5 A for an 8.3ms single half sine-wave superimposed on rated load.
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