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B0540W-HF
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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 500MA SOD123
- Series：-
- Mfr：Comchip Technology
- 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)：4 ns
- 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：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The B0540W-HF is a single Schottky barrier rectifier manufactured by Comchip Technology. It features a 40 V repetitive reverse voltage (VRRM) and a 500 mA average forward current (IF). The device utilizes silicon technology and is housed in an SOD-123 surface-mount package. Key electrical characteristics include a maximum forward voltage of 620 mV at rated current, a peak forward surge current of 2 A, and a low reverse leakage current of 6 µA. It operates within a junction temperature range of -55 °C to +175 °C.
Feature Summary
- Schottky barrier construction for high switching efficiency
- Low forward voltage drop for improved power efficiency
- Automotive-grade reliability with extended temperature capability
Applications
- DC-DC converter output rectification
- Power supply freewheeling diodes
- Reverse polarity protection circuits
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with Comchip Technology before procurement. Confirm that the SOD-123 tape and reel specifications match your automated assembly equipment requirements. Ensure the component meets all automotive qualification standards required for your specific end-use application.
Selection Notes
Select this component when a low-profile surface-mount Schottky diode is required for 40 V applications. The SOD-123 package offers a compact footprint suitable for space-constrained designs. Consider the 620 mV forward voltage drop and 500 mA current rating to ensure adequate thermal management and efficiency for the target circuit load.
Part Context
This part belongs to Comchip Technology's line of small-signal Schottky rectifiers designed for surface-mount technology. It is engineered to replace through-hole equivalents in modern PCB layouts. The product series emphasizes high reliability and consistent performance for industrial and automotive electronics manufacturing.
Replacement Considerations
Cross-reference with other SOD-123 packaged Schottky diodes featuring 40 V VRRM and 500 mA IF ratings. Verify pinout compatibility and thermal resistance parameters before substitution.
