component

BAT54T1G

Public Made by Adom

by adom

onsemi Schottky Barrier Diodes (SBD), SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BAT54T1G

onsemi · Schottky Barrier Diodes (SBD) · SOD-123

BAT54T1G from onsemi, in a SOD-123. 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 CATHODE passive Cathode terminal of the Schottky barrier diode, whose maximum reverse voltage VR is 30 V per the maximum ratings table.
2 ANODE passive Anode terminal of the Schottky barrier diode, whose maximum DC forward current IF is 200 mA per the maximum ratings table.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOD-123
Category Diodes
Pins 2

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 Voltage VR 30 V 1
Forward Power Dissipation, FR-5 Board (Note 1) PF 400 mW @ TA = 25°C 1
Forward Power Dissipation derate 4 mW/°C Derate above 25°C 1
Thermal Resistance, Junction-to-Case RJL 174 °C/W 1
Thermal Resistance, Junction-to-Ambient RJA 492 °C/W 1
Forward Current (DC) IF 200 mA 1
Non-Repetitive Peak Forward Current IFSM 600 mA tp < 10 msec 1
Repetitive Peak Forward Current IFRM 300 mA Pulse Wave = 1 sec, Duty Cycle = 66% 1
Junction Temperature TJ -55 125 °C 1
Storage Temperature Range Tstg -55 150 °C 1
Reverse Breakdown Voltage V(BR)R 30 V IR = 10 A 2
Total Capacitance CT 7.6 10 pF VR = 1.0 V, f = 1.0 MHz 2
Reverse Leakage IR 0.2 2 Adc VR = 25 V 2
Forward Voltage VF 0.22 0.24 Vdc IF = 0.1 mAdc 2
Forward Voltage VF 0.41 0.5 Vdc IF = 30 mAdc 2
Forward Voltage VF 0.52 0.8 Vdc IF = 100 mAdc 2
Reverse Recovery Time trr 5 ns IF = IR = 10 mAdc, IR(REC) = 1.0 mAdc, Figure 1 2
Forward Voltage VF 0.29 0.32 Vdc IF = 1.0 mAdc 2
Forward Voltage VF 0.35 0.4 Vdc IF = 10 mAdc 2

CAD (KiCad official)

  • Symbol: BAT54T1G
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bat54t1g-etched.step / bat54t1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bat54t1g.step / bat54t1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (5 pp, sha256 b45d3b76e000a3aa, retrieved 2026-10-26, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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