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B0520WS
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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 500MA SOD323
- Series：-
- Mfr：EVVO
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 V
- Current - Average Rectified (Io)：500mA
- Voltage - Forward (Vf) (Max) @ If：390 mV @ 500 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：250 µA @ 20 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SC-76, SOD-323
- Supplier Device Package：SOD-323
- Operating Temperature - Junction：-55°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The B0520WS is a Schottky barrier rectifier in the B0520WS through B0540WS series, housed in an SOD-323 surface-mount package. It features a peak repetitive reverse voltage of 30 V and a maximum average forward current of 0.5 A at 25 °C ambient temperature. The device exhibits a low instantaneous forward voltage drop of 0.33 V at 0.5 A. Key electrical parameters include a maximum DC blocking voltage of 21 V, a peak forward surge current of 75 A for 8.3 ms, and a junction-to-ambient thermal resistance of 250 °C/W. Operating temperatures range from -55 °C to +150 °C.
Feature Summary
- Guard ring construction provides transient protection capabilities
- Low forward voltage drop design enhances conductance efficiency
- Lead-free compliant manufacturing process available
Applications
- High frequency switching power supplies
- Free-wheeling diodes in converter circuits
- Polarity protection applications
Procurement Notes
Verify the specific part marking code SD corresponds to the B0520WS variant during receipt inspection. Confirm the package type matches the SOD-323 outline dimensions provided in the datasheet. Ensure storage conditions remain within the specified temperature range to maintain terminal solderability per MIL-STD-750 standards before assembly.
Selection Notes
Select this component when a low forward voltage drop is critical for system efficiency at moderate current levels up to 0.5 A. The SOD-323 package is suitable for space-constrained printed circuit board layouts requiring surface mount technology. Consider the thermal resistance characteristics for heat dissipation requirements in the final enclosure design.
Part Context
This component belongs to the B05xxWS series of Schottky barrier rectifiers manufactured by EVVO. The series includes variants with different reverse voltage ratings, such as the B0530WS and B0540WS, sharing identical physical packaging and general electrical characteristics except for breakdown voltage limits. These devices are designed for general-purpose rectification in compact electronic assemblies.
Replacement Considerations
Direct substitutes must match the SOD-323 footprint, 30 V reverse voltage rating, and 0.5 A forward current capacity. Verify that alternative components offer comparable guard ring construction and similar forward voltage characteristics to ensure circuit performance parity.
