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The BAT54C is a small signal Schottky diode manufactured by Diotec Semiconductor in an SOT-23 (TO-236) package. It features a common cathode configuration with two elements. Key electrical parameters include a repetitive peak reverse voltage of 30 V, a maximum average forward current of 200 mA, and a non-repetitive peak forward surge current of 600 mA. The device exhibits a low forward voltage drop of less than 320 mV at 1 mA and a reverse recovery time under 5 ns. Maximum junction temperature is rated at 150°C for standard versions.
Verify the specific ordering suffix when procuring. The absence of a suffix indicates industrial grade, while the -C suffix denotes commercial grade. Ensure compliance requirements match the project specifications, as automotive grades require distinct -Q or -AQ designations. Confirm package type and tape-and-reel quantities align with assembly line capabilities before finalizing orders.
Select the BAT54C for designs requiring common cathode configurations in compact surface-mount layouts. Evaluate thermal resistance characteristics against ambient temperature expectations, noting that power dissipation ratings vary between commercial and industrial grades. Consider the low forward voltage and fast recovery times for high-efficiency rectification or steering duties where minimal signal delay is critical.
This component belongs to the BAT54 series of SMD small signal Schottky diodes produced by Diotec Semiconductor. The series includes variants such as BAT54A (common anode), BAT54S (series connection), and the base BAT54 (single diode). All share similar physical dimensions and core switching properties but differ in internal circuit topology and specific grading classifications.
BAT54A
The BAT54C contains two Schottky diodes connected in a common cathode configuration within a single SOT-23 package.
The BAT54C is identified by the marking code 'L43' on the component body.
The maximum junction temperature for the standard BAT54C is 150°C.