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Ray fdn340p: specified limits as data (metadata.characteristics, 34 rows from the datasheet) f790602 17d ago

FDN340P

onsemi · MOSFETs · SOT-23

FDN340P from onsemi, 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; logic-level drive with RDS(ON) = 70 mΩ at VGS = -4.5 V and 110 mΩ at -2.5 V, absolute maximum VGSS ±8 V.
2 S passive Source; continuous drain-source diode forward current is -0.42 A maximum.
3 D passive Drain; VDSS -20 V, continuous drain current -2 A and pulsed -10 A.

Key specifications

Parameter Value
Manufacturer onsemi
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 VDSS -20 V 1
Gate-Source Voltage VGSS -8 8 V 1
Drain Current - Continuous ID -2 A Note 1a 1
Drain Current - Pulsed ID -10 A Pulsed 1
Power Dissipation for Single Operation PD 0.5 W Note 1a 1
Power Dissipation for Single Operation PD 0.46 W Note 1b 1
Operating and Storage Junction Temperature Range TJ,TSTG -55 150 °C 1
Thermal Resistance, Junction-to-Ambient RθJA 250 °C/W Note 1a 1
Thermal Resistance, Junction-to-Case RθJC 75 °C/W Note 1 1
Drain-Source Breakdown Voltage BVDSS -20 V VGS = 0 V, ID = –250 µA 2
Zero Gate Voltage Drain Current IDSS -1 µA VDS = –16 V, VGS = 0 V 2
Zero Gate Voltage Drain Current IDSS -10 µA VDS = –16 V, VGS = 0 V, TJ=55°C 2
Gate-Body Leakage, Forward IGSSF 100 nA VGS = 8 V, VDS = 0 V 2
Gate-Body Leakage, Reverse IGSSR -100 nA VGS = –8 V, VDS = 0 V 2
Gate Threshold Voltage VGS(th) -0.4 -0.8 -1.5 V VDS = VGS, ID = –250 µA 2
Static Drain-Source On-Resistance RDS(on) 60 70 mΩ VGS = –4.5 V, ID = –2 A 2
Static Drain-Source On-Resistance RDS(on) 77 120 mΩ VGS = –4.5 V, ID = –2 A, TJ=125°C 2
Static Drain-Source On-Resistance RDS(on) 82 110 mΩ VGS= –2.5 V, ID = –1.7A 2
On-State Drain Current ID(on) -5 A VGS = –4.5 V, VDS = –5 V 2
Turn-On Delay Time td(on) 10 20 ns VDD = –10 V, ID = –1 A, VGS = –4.5 V, RGEN = 6 Ω 2
Turn-On Rise Time tr 9 10 ns VDD = –10 V, ID = –1 A, VGS = –4.5 V, RGEN = 6 Ω 2
Turn-Off Delay Time td(off) 27 43 ns VDD = –10 V, ID = –1 A, VGS = –4.5 V, RGEN = 6 Ω 2
Turn-Off Fall Time tf 11 20 ns VDD = –10 V, ID = –1 A, VGS = –4.5 V, RGEN = 6 Ω 2
Total Gate Charge Qg 7.2 10 nC VDS = –10V, ID = –3.5 A, VGS = –4.5 V 2
Maximum Continuous Drain-Source Diode Forward Current IS -0.42 A 2
Drain-Source Diode Forward Voltage VSD -0.7 -1.2 V VGS = 0 V, IS = –0.42 A (Note 2) 2
Breakdown Voltage Temperature Coefficient ∆BVDSS/∆TJ -12 mV/°C ID = –250 µA, Referenced to 25°C 2
Gate Threshold Voltage Temperature Coefficient ∆VGS(th)/∆TJ 3 mV/°C ID = –250 µA, Referenced to 25°C 2
Forward Transconductance gFS 9 S VDS = –4.5 V, ID = –2 A 2
Input Capacitance Ciss 779 pF VDS = –10 V, VGS = 0 V, f = 1.0 MHz 2
Output Capacitance Coss 121 pF VDS = –10 V, VGS = 0 V, f = 1.0 MHz 2
Reverse Transfer Capacitance Crss 56 pF VDS = –10 V, VGS = 0 V, f = 1.0 MHz 2
Gate-Source Charge Qgs 1.7 nC VDS = –10V, ID = –3.5 A, VGS = –4.5 V 2
Gate-Drain Charge Qgd 1.5 nC VDS = –10V, ID = –3.5 A, VGS = –4.5 V 2

CAD (KiCad official)

  • Symbol: FDN340P
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: fdn340p-etched.step / fdn340p-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fdn340p.step / fdn340p.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (5 pp, sha256 9f3e94c007a87808, retrieved 2026-10-09, 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