component

S-LDTB123YLT1G

Public Made by Adom

by adom

LRC Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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S-LDTB123YLT1G

LRC · Digital Transistors · SOT-23

S-LDTB123YLT1G from LRC, 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 BASE input Base (input) of the PNP transistor with built-in R1 = 2.2 kΩ series resistor; input voltage range is -12 to +5 V.
2 EMITTER passive Emitter of the PNP transistor, connected through R2 = 10 kΩ to the base network; supply voltage VCC max is -50 V.
3 COLLECTOR output Collector (output) of the PNP transistor with output current rated up to -500 mA.

Key specifications

Parameter Value
Manufacturer LRC
Package SOT-23
Category Triode/MOS Tube/Transistor
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
Input voltage (off) VI(off) -0.3 V VCC=-5V, IO=-100µA 1
Input voltage (on) VI(on) -2 V VO=-0.3V, IO=-20mA 1
Output voltage VO(on) -0.1 -0.3 V IO/II=-50mA/-2.5mA 1
Input current II -3 mA VI=-5V 1
Output current (off) IO(off) -0.5 µA VCC=-50V, VI=0V 1
Input resistance R1 1.54 2.2 2.86 kΩ 1
DC current gain GI 56 VO=-5V, IO=-50mA 1
Resistance ratio R2/R1 3.6 4.5 5.5 1
Transition frequency fT 200 MHz VCE=-10V, IE=50mA, f=100MHz 1
Supply voltage VCC -50 V Ta=25°C 1
Input voltage VIN -12 5 V Ta=25°C 1
Output current IC -500 mA Ta=25°C 1
Power dissipation PD 200 mW Ta=25°C 1
Junction temperature Tj 150 °C Ta=25°C 1
Storage temperature Tstg -55 150 °C Ta=25°C 1

CAD (KiCad official)

  • Symbol: S-LDTB123YLT1G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: s-ldtb123ylt1g-etched.step / s-ldtb123ylt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); s-ldtb123ylt1g.step / s-ldtb123ylt1g.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (4 pp, sha256 a6edff5bba6640e9, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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