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ST1045AX

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SMC Sangdest Microelectronicstronic Nanjing Schottky Diodes, R-6. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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ST1045AX

SMC Sangdest Microelectronicstronic Nanjing · Schottky Diodes · R-6

ST1045AX from SMC Sangdest Microelectronicstronic Nanjing, in a R-6. 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer SMC Sangdest Microelectronicstronic Nanjing
Package R-6
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
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM 45 V 1
Average Rectified Forward Current IF (AV) 10 A 50% duty cycle @TC= 75°C, rectangular wave form 1
Peak One Cycle Non-Repetitive Surge Current IFSM 150 A 8.3 ms, half Sine pulse, TC= 25°C 1
Forward Voltage Drop VF1 0.49 0.56 V @ 10A, Pulse, TJ = 25 C; Pulse width < 300 µs, duty cycle < 2% 1
Forward Voltage Drop VF2 0.41 0.5 V @ 10A, Pulse, TJ = 125 C; Pulse width < 300 µs, duty cycle < 2% 1
Reverse Current IR1 0.017 1 mA @VR = rated VR, TJ = 25 C 1
Reverse Current IR2 15 30 mA @VR = rated VR, TJ = 125 C 1
Junction Temperature TJ -55 150 C 2
Storage Temperature Tstg -55 150 C 2
Typical Thermal Resistance Junction to Ambient RθJA 75 C/W DC operation 2

CAD (KiCad official)

  • Symbol: ST1045AX
  • Footprint: Diode_THT:D_P600_R-6_P20.00mm_Horizontal
  • 3D model: R-6 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: SMC Sangdest Microelectronicstronic Nanjing datasheet (4 pp, sha256 db7fdc61ba7053ab, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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