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ACDBT-54-HF
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Product Detailed Parameters
- Description：DIODE SCHOTTKY 30V 200MA SOT233
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：30 V
- Current - Average Rectified (Io)：200mA
- Voltage - Forward (Vf) (Max) @ If：1 V @ 100 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：5 ns
- Current - Reverse Leakage @ Vr：2 µA @ 25 V
- Capacitance @ Vr, F：10pF @ 1V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Operating Temperature - Junction：-55°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The ACDBT-54-HF is a small signal Schottky diode manufactured by Comchip Technology, designed for automotive applications. It features a maximum repetitive peak reverse voltage of 30 V and a maximum average forward rectified current of 200 mA. The device utilizes silicon epitaxial planar technology with a metal-silicon junction. Key electrical characteristics include a maximum DC blocking voltage of 30 V, a maximum RMS voltage of 21 V, and a maximum instantaneous forward voltage at 200 mA. The component operates within a temperature range of -55 °C to +150 °C and exhibits a maximum reverse recovery time of 5 ns.
Feature Summary
- Automotive-grade reliability suitable for harsh environments
- Ultra-fast switching capability with low reverse recovery time
- Low forward voltage drop for high efficiency
- Guardring structure provides overvoltage protection
Applications
- Automotive power supply circuits
- High-frequency rectification in consumer electronics
- DC-DC converter output stages
- Polarity protection in battery-powered devices
Procurement Notes
Verify the specific suffix 'HF' indicates halogen-free compliance as per manufacturer standards. Confirm the package type matches the required PCB footprint, typically SOT-23 for this series. Ensure the automotive grade designation aligns with project reliability requirements. Cross-reference the datasheet revision date to guarantee parameter accuracy against current production batches.
Selection Notes
Select this component when low forward voltage and fast switching are critical in space-constrained designs. The 30 V rating suits low-voltage DC systems. Consider the 200 mA current limit for load requirements. The wide operating temperature range supports industrial and automotive use cases where thermal stability is essential for consistent performance.
Part Context
This part belongs to Comchip's automotive Schottky diode lineup, emphasizing reliability under vibration and thermal stress. It complements other surface-mount rectifiers in the CDBT series, offering standardized pinouts for easy integration into existing PCB layouts designed for small signal applications.
Replacement Considerations
Check for direct substitutes like the CDBFR54-HF or CDBT-54-HF if automotive grading is not strictly required. Verify pin compatibility and electrical parameters before substitution. Ensure any alternative meets the same reverse voltage and current specifications.
