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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 300MA 0603
- Series：-
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：300mA
- Voltage - Forward (Vf) (Max) @ If：550 mV @ 200 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：50 µA @ 10 V
- Capacitance @ Vr, F：35pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：0603 (1608 Metric)
- Supplier Device Package：0603 (1608 Metric)
- Operating Temperature - Junction：-40°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The CD0603-B0340R is a Schottky Barrier Chip Diode from Bourns, designed for compact surface-mount applications. It features a leadless 0603 package and offers a maximum average forward rectified current of 300 mA at 55 °C. The device supports a repetitive peak reverse voltage of 40 V with a typical instantaneous forward voltage of 0.38 V at 100 mA. It operates within a junction temperature range of -40 to +125 °C and includes a peak forward surge current rating of 2 A.
Feature Summary
- Leadless chip form factor compatible with standard SMD equipment
- Low forward voltage drop for improved efficiency
- RoHS compliant and halogen-free construction
Applications
- Switch Mode Power Supplies (SMPS)
- Portable equipment batteries
- High frequency rectification
- DC/DC converters
- Telecommunications
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with the manufacturer before finalizing designs. Confirm that the leadless package dimensions align with your PCB footprint requirements. Ensure thermal management strategies account for the specified junction-to-ambient thermal resistance during operation.
Selection Notes
Select this component when space constraints require a 0603 footprint with Schottky characteristics. The 300 mA current rating suits low-power rectification tasks. Compare the 0.38 V forward voltage against system efficiency targets. Verify compatibility with high-frequency switching environments due to low junction capacitance.
Part Context
This part belongs to the CD0603-B0xR Schottky Barrier Chip Diode Series by Bourns. The series provides small-signal diodes for switching and rectification in portable communications and computing equipment. The 'B03' designation indicates the 300 mA current variant within the 40 V reverse voltage family.
Replacement Considerations
Consult official Bourns documentation for verified cross-reference part numbers. Do not substitute based on generic electrical similarities without verifying package compatibility and thermal performance.
