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1N5819G-CA2-R

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UTC Unisonic Tech Schottky Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N5819G-CA2-R

UTC Unisonic Tech · Schottky Diodes · SOD-123

1N5819G-CA2-R from UTC Unisonic Tech, 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 K passive Cathode of the single Schottky barrier diode; the datasheet rates the part at 40 V maximum repetitive peak reverse voltage (VRRM) and 1 A average forward rectified output current (IOUT).
2 A passive Anode of the single Schottky barrier diode, which conducts forward current toward the cathode (pin 1), with a 40 V maximum reverse voltage rating.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
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
Maximum Repetitive Peak Reverse Voltage VRRM 40 V Single diode, TA=25°C 2
Maximum non-repetitive Peak Reverse Voltage VRM 40 V Single diode, TA=25°C 2
Maximum DC Blocking Voltage VR 40 V Single diode, TA=25°C 2
Working Peak Reverse Voltage VRWM 40 V Single diode, TA=25°C 2
Maximum RMS Reverse Voltage VR(RMS) 28 V Single diode, TA=25°C 2
Repetitive Peak Forward Current IFRM 625 mA Single diode, TA=25°C 2
Non-repetitive Peak Forward Surge Current IFSM 25 A 8.3ms Single Half-Sine-Wave 2
Average Forward Rectified Output Current IOUT 1 A Single diode, TA=25°C 2
Power Dissipation PD 250 mW Single diode, TA=25°C 2
Storage Temperature TSTG -65 150 °C 2
Junction to Ambient thermal resistance θJA 500 °C/W 2
Forward Voltage VF 0.6 V IF=1A 2
Forward Voltage VF 0.9 V IF=3A 2
Reverse Breakdown Voltage BVR 40 V IR= 1mA 2
Reverse Leakage Current IR 1 mA VR=40V 2
Diode Capacitance CD 120 pF VR=4V, f=1MHz 2

CAD (KiCad official)

  • Symbol: 1N5819G-CA2-R
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: 1n5819g-ca2-r-etched.step / 1n5819g-ca2-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n5819g-ca2-r.step / 1n5819g-ca2-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (4 pp, sha256 67a05ddc15f1ec0d, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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