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B340LB-M3/52T
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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 3A DO214AA
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：450 mV @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：400 µA @ 40 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-214AA, SMB
- Supplier Device Package：DO-214AA (SMB)
- Operating Temperature - Junction：-65°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The B340LB-M3/52T is a surface-mount Schottky barrier rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum repetitive peak reverse voltage of 40 V and a continuous forward current rating of 3 A. The device utilizes the DO-214AA (SMA) package with two pins. Key electrical characteristics include a maximum forward voltage of 450 mV at rated current, a peak non-repetitive forward surge current capability of 100 A, and a maximum reverse leakage current of 40 mA. The component operates within a temperature range from -65 °C to +150 °C junction temperature.
Feature Summary
- Schottky barrier construction for low forward voltage drop and high switching efficiency
- Plastic material compliant with halogen-free and RoHS standards
- Designed for surface mount applications in compact PCB layouts
Applications
- DC-DC converters
- Power supply circuits
- Free-wheeling diodes in inductive load protection
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type and compliance status. Ensure the requested part number matches the exact electrical ratings required for the target circuit design. Cross-reference the manufacturer code with authorized distribution channels to guarantee authenticity and traceability of the semiconductor components.
Selection Notes
Select this component when a low forward voltage drop is critical for system efficiency. The 3 A current rating suits moderate power applications requiring fast recovery characteristics. Verify that the DO-214AA footprint aligns with the printed circuit board design constraints. Confirm thermal management requirements are met given the specified operating temperature limits.
Part Context
This device belongs to the B340LB-E3/M3 series of Schottky rectifiers from Vishay. The M3 suffix typically indicates lead-free termination and RoHS compliance. The LB variant specifies the SMA (DO-214AA) surface-mount package configuration. This series is engineered for general-purpose rectification tasks where speed and low loss are prioritized over high voltage blocking capabilities.
Replacement Considerations
Direct substitutes include B340LB-E3/52T and B340A-E3/5AT. Verify pinout compatibility and thermal resistance values before substitution. Ensure the alternative part meets the same 40 V and 3 A specifications.
