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BAT54CTA

Public Made by Adom

by adom

Diodes Incorporated Schottky Diodes, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BAT54CTA

Diodes Incorporated · Schottky Diodes · SOT-23-3

BAT54CTA from Diodes Incorporated, in a SOT-23-3. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A1 passive Anode of the first Schottky diode (bottom-left pin in top view); the diode conducts to the common cathode on pin 3, with VRRM 30 V and IO 200 mA per the ratings.
2 A2 passive Anode of the second Schottky diode (bottom-right pin in top view); the diode conducts to the common cathode on pin 3, with VRRM 30 V and IO 200 mA per the ratings.
3 K passive Common cathode of both Schottky diodes (top pin in top view), reverse voltage limit VR 30 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23-3
Category Diodes
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse Breakdown Voltage V(BR)R 30 V IRS = 100µA 2
Forward Voltage VF 240 mV IF = 0.1mA 2
Forward Voltage VF 320 mV IF = 1mA 2
Forward Voltage VF 400 mV IF = 10mA 2
Forward Voltage VF 500 mV IF = 30mA 2
Forward Voltage VF 800 mV IF = 100mA 2
Reverse Leakage Current IR 2 µA VR = 25V 2
Total Capacitance CT 10 pF VR = 1.0V, f = 1.0MHz 2
Reverse Recovery Time tRR 5 ns IF = 10mA through IR = 10mA to IR = 1.0mA, RL = 100Ω 2
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM 30 V 2
Average Rectified Output Current IO 200 mA Note 5 2
Repetitive Peak Forward Current IFRM 300 mA 2
Non-Repetitive Forward Surge Current IFSM 600 mA @ t < 1.0s 2
Power Dissipation PD 200 mW Note 5 2
Typical Thermal Resistance Junction to Ambient Air RθJA 500 °C/W Note 5 2
Typical Thermal Resistance Junction to Case RθJC 180 °C/W Note 8 2
Operating and Storage Temperature Range TJ, TSTG -65 150 °C Note 6 2

CAD (KiCad official)

  • Symbol: BAT54CTA
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: bat54cta-etched.step / bat54cta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bat54cta.step / bat54cta.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 28cfafe91b59a7f2, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF