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Contents

README

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LMSD103BT1G

LRC · Switching Diodes · SOD-123

LMSD103BT1G from LRC, 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 switching diode, rated for a 30 V reverse voltage (VRRM/VR) and 1.5 A forward continuous current per the maximum ratings.
2 Anode passive Anode terminal of the Schottky barrier switching diode, forming the forward-conducting connection with the cathode at pin 1.

Key specifications

Parameter Value
Manufacturer LRC
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 Breakdown Voltage V(BR)R 30 V IR = 100µA 1
Forward Voltage Drop VFM 0.37 V IF = 20mA 1
Forward Voltage Drop VFM 0.6 V IF = 200mA 1
Peak Reverse Current IRM 5 µA VR = 20V 1
Operating and Storage Temperature Range Tj,Tstg -65 125 ℃ 1
Working Peak Reverse Voltage VRWM 30 V 1
DC Blocking Voltage VR 30 V 1
Peak Repetitive Reverse Voltage VRRM 30 V 1
RMS Reverse Voltage VR(RMS) 21 V 1
Forward Continuous Current IFM 350 mA Note 1: part mounted on FR-4 board with recommended pad layout 1
Non-Repetitive Peak Forward Surge Current IFSM 1.5 A t ≤ 1.0 s 1
Power Dissipation PD 400 mW Note 1: part mounted on FR-4 board with recommended pad layout 1
Reverse Recovery Time trr 10 nS IF = IR = 200mA, Irr = 0.1 x IR, RL = 100Ω 1
Total Capacitance CT 40 pF VR = 0V, f = 1.0MHz 1
Thermal Resistance, Junction to Ambient Air RθJA 300 ℃/W Note 1: part mounted on FR-4 board with recommended pad layout 1

CAD (KiCad official)

  • Symbol: LMSD103BT1G
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: lmsd103bt1g-etched.step / lmsd103bt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lmsd103bt1g.step / lmsd103bt1g.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (3 pp, sha256 bd6672cf906b3e77, retrieved 2026-10-18, 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