component

1N5819RLG

Public Made by Adom

by adom

onsemi Schottky Barrier Diodes (SBD), DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N5819RLG

onsemi · Schottky Barrier Diodes (SBD) · DO-41

1N5819RLG from onsemi, in a DO-41. 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, identified by the polarity band on the body; the 1N5819 is rated for 40 V VRRM and 1.0 A average rectified forward current (IO).
2 ANODE passive Anode, the lead opposite the polarity band; Style 1 of Case 59-10 defines pin 1 as cathode and pin 2 as anode.

Key specifications

Parameter Value
Manufacturer onsemi
Package DO-41
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 Instantaneous Forward Voltage (iF = 0.1 A) vF 0.34 V iF = 0.1 A 2
Maximum Instantaneous Forward Voltage (iF = 1.0 A) vF 0.6 V iF = 1.0 A 2
Maximum Instantaneous Forward Voltage (iF = 3.0 A) vF 0.9 V iF = 3.0 A 2
Maximum Instantaneous Reverse Current @ Rated dc Voltage (TL = 25°C) IR 1 mA TL = 25°C, rated dc voltage 2
Maximum Instantaneous Reverse Current @ Rated dc Voltage (TL = 100°C) IR 10 mA TL = 100°C, rated dc voltage 2
Peak Repetitive Reverse Voltage VRRM 40 V 2
Working Peak Reverse Voltage VRWM 40 V 2
DC Blocking Voltage VR 40 V 2
Non-Repetitive Peak Reverse Voltage VRSM 48 V 2
RMS Reverse Voltage VR(RMS) 28 V 2
Average Rectified Forward Current IO 1 A VR(equiv) ≤ 0.2 VR(dc), TL = 90°C, RJA = 80°C/W, P.C. Board Mounting, see Note 2, TA = 55°C 2
Ambient Temperature (rated VR(dc)) TA 75 °C Rated VR(dc), PF(AV) = 0, RJA = 80°C/W 2
Non-Repetitive Peak Surge Current IFSM 25 A Surge applied at rated load conditions, half-wave, single phase 60 Hz, TL = 70°C, for one cycle 2
Operating and Storage Junction Temperature Range TJ, Tstg -65 125 °C Reverse voltage applied 2
Peak Operating Junction Temperature TJ(pk) 150 °C Forward current applied 2
Thermal Resistance, Junction-to-Ambient RJA 80 °C/W 2

CAD (KiCad official)

  • Symbol: 1N5819RLG
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-41 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: onsemi datasheet (7 pp, sha256 c35f8397727a2539, retrieved 2026-10-22, tier: manufacturer)
  • 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