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PJC138K-AU_R1_000A1

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PANJIT International MOSFETs, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PJC138K-AU_R1_000A1

PANJIT International · MOSFETs · SOT-323

PJC138K-AU_R1_000A1 from PANJIT International, in a SOT-323. 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, gate-source voltage limited to ±20V, threshold 0.8 to 1.5V at ID=250uA.
2 S passive Source; body diode continuous forward current up to 500mA to drain.
3 D passive Drain; drain-source voltage up to 50V, continuous drain current 360mA, pulsed 1200mA.

Key specifications

Parameter Value
Manufacturer PANJIT International
Package SOT-323
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 50 V 1
Gate-Source Voltage VGS 20 V 1
Continuous Drain Current ID 360 mA Note 4 (package limited) 1
Pulsed Drain Current IDM 1200 mA Note 1 (pulse width <300us, duty cycle <2%) 1
Power Dissipation PD 236 mW TA=25C 1
Operating Junction and Storage Temperature Range TJ,TSTG -55 150 C 1
Drain-Source Breakdown Voltage BVDSS 50 V VGS=0V, ID=250uA 2
Gate Threshold Voltage VGS(th) 0.8 1 1.5 V VDS=VGS, ID=250uA 2
Drain-Source On-State Resistance RDS(on) 0.96 1.6 Ω VGS=10V, ID=500mA 2
Drain-Source On-State Resistance RDS(on) 1.25 2.5 Ω VGS=4.5V, ID=200mA 2
Drain-Source On-State Resistance RDS(on) 2.73 4.5 Ω VGS=2.5V, ID=100mA 2
Zero Gate Voltage Drain Current IDSS 1 uA VDS=50V, VGS=0V 2
Gate-Source Leakage Current IGSS 10 uA VGS=+20V, VDS=0V 2
Total Gate Charge Qg 0.63 1 nC VDS=25V, ID=250mA, VGS=4.5V (Note 1,2) 2
Input Capacitance Ciss 25 50 pF VDS=25V, VGS=0V, f=1MHZ 2
Output Capacitance Coss 9.5 20 pF VDS=25V, VGS=0V, f=1MHZ 2
Reverse Transfer Capacitance Crss 2.1 5 pF VDS=25V, VGS=0V, f=1MHZ 2
Turn-On Delay Time td(on) 2.2 5 ns VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) 2
Turn-On Rise Time tr 19.2 38 ns VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) 2
Turn-Off Delay Time td(off) 6.2 12 ns VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) 2
Turn-Off Fall Time tf 23 50 ns VDD=25V, ID=500mA, VGS=10V, RG=6Ω (Note 1,2) 2
Maximum Continuous Drain-Source Diode Forward Current IS 500 mA 2
Diode Forward Voltage VSD 0.86 1.5 V IS=500mA, VGS=0V 2
Typical Thermal Resistance, Junction to Ambient RθJA 530 C/W Note 3,4 (mounted on 1 inch² pad, 2oz copper) 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 inch2 with 2oz.square pad of copper. 2

CAD (KiCad official)

  • Symbol: PJC138K-AU_R1_000A1
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: pjc138k-au-r1-000a1-etched.step / pjc138k-au-r1-000a1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pjc138k-au-r1-000a1.step / pjc138k-au-r1-000a1.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (6 pp, sha256 b8f78751353a4425, retrieved 2026-10-17, 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