Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

BSS123_R1_00001

PANJIT International · MOSFETs · SOT-23

BSS123_R1_00001 from PANJIT International, in a SOT-23. 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 G input Gate; ESD protected to 2KV HBM, with gate-source voltage limit of ±20 V and threshold of 1 V min to 2.5 V max at ID=250uA.
2 S passive Source terminal of the N-channel MOSFET; continuous drain current is limited to 170 mA.
3 D passive Drain terminal of the N-channel MOSFET; drain-source voltage rating is 100 V with 170 mA continuous and 680 mA pulsed current.

Key specifications

Parameter Value
Manufacturer PANJIT International
Package SOT-23
Category Transistors/Thyristors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source Voltage VDS 100 V 1
Gate-Source Voltage VGS 20 V 1
Continuous Drain Current ID 170 mA 1
Pulsed Drain Current (Note 4) IDM 680 mA 1
Power Dissipation PD 500 mW Ta=25°C 1
Operating Junction and Storage Temperature Range TJ,TSTG -55 150 °C 1
Drain-Source Breakdown Voltage BVDSS 100 V VGS=0V, ID=250uA 2
Gate Threshold Voltage VGS(th) 1 1.7 2.5 V VDS=VGS, ID=250uA 2
Drain-Source On-State Resistance RDS(on) 4 6 Ω VGS=10V, ID=170mA 2
Drain-Source On-State Resistance RDS(on) 4.5 10 Ω VGS=4.5V, ID=130mA 2
Zero Gate Voltage Drain Current IDSS 1 uA VDS=80V, VGS=0V 2
Gate-Source Leakage Current IGSS 10 uA VGS=+20V, VDS=0V 2
Maximum Continuous Drain-Source Diode Forward Current IS 170 mA 2
Diode Forward Voltage VSD 0.9 1.3 V IS=170mA, VGS=0V 2
Power Dissipation derating 4 mW/°C above 25°C 1
Typical Thermal Resistance Junction to Ambient (Note 3) RθJA 250 °C/W 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper defined as the solder mounting surface of the drain pins mounted on a 1 inch FR-4 with 2oz. square pad of copper. 2

CAD (KiCad official)

  • Symbol: BSS123_R1_00001
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bss123-r1-00001-etched.step / bss123-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bss123-r1-00001.step / bss123-r1-00001.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (6 pp, sha256 c3e26a48643c7e9f, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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