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30. Buck Converter Schottky Diode

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B340LB-13-F
Component
DigiKey Part NoB340LB-FDITR-ND
Mfr Part NoB340LB-13-F
ManufacturerDiodes Incorporated

DIODE SCHOTTKY 40V 3A SMB

Diode 40 V 3A Surface Mount SMB

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EW

Response By EW AI

✅ Diode type: Schottky, which matches the required catch diode type for a buck converter.
✅ Average rectified current: 3A, meeting the minimum ≥3A requirement for a 2A converter with margin.
✅ Repetitive reverse voltage: 40V, exceeding the required ≥30V and providing adequate input voltage margin.
✅ Forward voltage: 450 mV @ 3A, which satisfies the ≤0.55V requirement and supports better efficiency.
✅ Package: SMB (DO-214AA, SMB), matching the required SMB package.
✅ Mounting type: Surface Mount, matching the requirement.
✅ Operating temperature range: -55°C to 125°C junction, which is wider than the required -40°C to +125°C.
✅ RoHS compliance: Yes, listed as ROHS3 Compliant.
All required specifications are satisfied, so this component is approved for the buck converter Schottky catch diode application.
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