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Product Detailed Parameters
- Description：DIODE ARR SCHOTT 30V 200MA SOT23
- Series：-
- Mfr：Vishay
- Package：Tape & Reel (TR),Cut Tape (CT)
- Diode Configuration：1 Pair Common Cathode
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：30 V
- Current - Average Rectified (Io) (per Diode)：200mA
- Voltage - Forward (Vf) (Max) @ If：800 mV @ 100 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：5 ns
- Current - Reverse Leakage @ Vr：2 µA @ 25 V
- Operating Temperature - Junction：125°C
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BAT54C-HE3_A-08 is a small signal Schottky diode manufactured by Vishay Semiconductors. It features a common cathode dual configuration housed in an SOT-23 surface-mount package. The device is AEC-Q101 qualified and RoHS-compliant. Key electrical parameters include a repetitive peak reverse voltage of 30 V, a forward continuous current of 200 mA, and a maximum power dissipation of 230 mW on an FR-4 board. The junction temperature range extends from -55 °C to +125 °C.
Feature Summary
- Dual common cathode configuration for efficient circuit design
- Very low turn-on voltage and fast switching characteristics
- PN junction guardring protection against excessive voltage events
- Molding compound meets UL 94 V-0 flammability rating
Applications
- DC-DC converters
- Power management circuits
- Protection applications
Procurement Notes
Verify the specific HE3_A suffix ensures AEC-Q101 automotive qualification and RoHS compliance as defined in the datasheet. Confirm the -08 packaging code corresponds to the required 3,000 units per 7-inch reel format. Validate that the component meets the intended environmental operating temperatures before finalizing procurement specifications.
Selection Notes
Select this component when a dual common cathode Schottky topology is required within a compact SOT-23 footprint. The HE3 variant provides necessary automotive reliability standards compared to commercial grades. Ensure the 30 V reverse voltage rating aligns with the system's maximum operating conditions and that the 200 mA forward current capacity satisfies the load requirements.
Part Context
This part belongs to the Vishay BAT54 series of small signal Schottky diodes. The BAT54C specifically denotes the common cathode arrangement, distinguishing it from single (BAT54), common anode (BAT54A), or dual serial (BAT54S) configurations. The HE3 designation indicates enhanced environmental compliance and automotive qualification relative to standard commercial versions.
Replacement Considerations
Direct substitutes include other BAT54C variants from different manufacturers offering identical pinouts and electrical ratings. Verify that any replacement maintains the common cathode configuration and operates within the specified 30 V and 200 mA limits. Ensure the alternative component also meets AEC-Q101 requirements if automotive qualification is mandatory.
