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Product Detailed Parameters
- Description：DIODE ARR SCHOTT 40V 300MA SOT23
- Series：Q
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Diode Configuration：1 Pair Series Connection
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io) (per Diode)：300mA (DC)
- Voltage - Forward (Vf) (Max) @ If：900 mV @ 100 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：5 ns
- Current - Reverse Leakage @ Vr：1 µA @ 30 V
- Operating Temperature - Junction：-40°C ~ 150°C
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BAT54SFILMY is a Schottky barrier diode manufactured by STMicroelectronics, designed for surface-mount applications. It features a SOT-23 package with three pins and contains two series-connected elements with a center tap. The device is constructed from silicon and is qualified to AEC-Q101 standards for automotive reliability. Key electrical specifications include a maximum repetitive peak reverse voltage of 40 V and a continuous forward current rating of 0.3 A. The maximum forward voltage is specified at 0.9 V, with a non-repetitive peak forward surge current capability of 1 A.
Feature Summary
- AEC-Q101 qualified for automotive application requirements
- Low conduction and reverse losses due to Schottky technology
- Negligible switching losses with extremely fast switching characteristics
- Compliant with ECOPACK 2 environmental standards
Applications
- Automotive electronics systems requiring high reliability
- Ultra-high-speed switching circuits
- Voltage clamping applications
- Protection circuits against transient voltages
Procurement Notes
Verify the specific suffix 'FILMY' against official STMicroelectronics documentation to confirm exact pinout and packaging variations. Ensure compatibility with AEC-Q101 requirements if used in automotive designs. Cross-reference datasheet revisions to confirm RoHS compliance status and material declarations prior to procurement.
Selection Notes
Select this component when automotive qualification (AEC-Q101) is mandatory for a dual Schottky diode configuration. The SOT-23 package suits space-constrained PCB layouts. Compare forward voltage and reverse leakage specifications against circuit requirements to ensure efficient power management and signal integrity in high-frequency switching environments.
Part Context
This part belongs to the BAT54 series of general-purpose small signal Schottky diodes. The series offers various configurations including single diodes and dual arrangements in packages like SOT-23 and SOD-523. The FILMY variant specifically denotes the automotive-grade version with enhanced reliability testing compared to standard industrial counterparts.
Replacement Considerations
BAT54CFILM: Dual anode common cathode configuration in SOT-23. BAT54KFILM: Single diode configuration in SOD-523. Verify pinout compatibility before substitution.
