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Contents

README

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KI9435DY

KEXIN · MOSFETs · SOP-8

KI9435DY from KEXIN, in a SOP-8. 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 Source passive Source terminal of the P-channel MOSFET, rated for VDS = -30 V with continuous drain current ID = -5.3 A at VGS = -10 V.
2 Source passive Source terminal of the P-channel MOSFET, rated for VDS = -30 V with continuous drain current ID = -5.3 A at VGS = -10 V.
3 Source passive Source terminal of the P-channel MOSFET, rated for VDS = -30 V with continuous drain current ID = -5.3 A at VGS = -10 V.
4 Gate input Gate terminal; the gate-source voltage must stay within the absolute maximum rating of ±20 V.
5 Drain passive Drain terminal, with drain-source voltage rated at -30 V and pulsed drain current IDM of -20 A.
6 Drain passive Drain terminal, with drain-source voltage rated at -30 V and pulsed drain current IDM of -20 A.
7 Drain passive Drain terminal, with drain-source voltage rated at -30 V and pulsed drain current IDM of -20 A.
8 Drain passive Drain terminal, with drain-source voltage rated at -30 V and pulsed drain current IDM of -20 A.

Key specifications

Parameter Value
Manufacturer KEXIN
Package SOP-8
Category Triode/MOS Tube/Transistor
Pins 8

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 Breakdown Voltage VDSS -30 V ID=-250µA, VGS=0V 2
Gate Threshold Voltage VGS(th) -1 -3 V VDS=VGS ID=-250µA 2
Gate-Body leakage current IGSS -100 100 nA VDS=0V, VGS=±20V 2
Zero Gate Voltage Drain Current IDSS -1 µA VDS=-24V, VGS=0V 2
On state drain current ID(ON) -20 A VGS=-10V, VDS=-5V 2
Static Drain-Source On-Resistance RDS(On) 58 mΩ VGS=-10V, ID=-5.3A 2
Static Drain-Source On-Resistance at TJ=125°C RDS(On) 84 mΩ VGS=-10V, ID=-5.3A, TJ=125°C 2
Static Drain-Source On-Resistance RDS(On) 89 mΩ VGS=-4.5V, ID=-4.2A 2
Maximum Body-Diode Continuous Current IS -5.3 A 2
Diode Forward Voltage VSD -1.2 V IS=-5.3A, VGS=0V 2
Drain-Source Voltage VDS -30 V Ta=25°C 1
Gate-Source Voltage VGS -20 20 V Ta=25°C 1
Continuous Drain Current ID -5.3 A Ta=25°C 1
Pulsed Drain Current IDM -20 A 1
Avalanche Current IAS 17 A 1
Avalanche Energy EAS 14 mJ L=0.1mH 1
Power Dissipation PD 2.5 W Note.1: mounted on a 1in pad of 2 oz copper 1
Power Dissipation PD 1.2 W Note.2: mounted on a .04 in pad of 2 oz copper 1
Power Dissipation PD 1 W Note.3: mounted on a minimum pad 1
Junction Temperature TJ 150 °C 1
Storage Temperature Range Tstg -55 150 °C 1
Thermal Resistance Junction-to-Ambient RthJA 50 °C/W Note.1: mounted on a 1in pad of 2 oz copper 1
Thermal Resistance Junction-to-Ambient RthJA 105 °C/W Note.2: mounted on a .04 in pad of 2 oz copper 1
Thermal Resistance Junction-to-Ambient RthJA 125 °C/W Note.3: mounted on a minimum pad 1
Thermal Resistance Junction-to-Case RthJC 25 °C/W 1
Forward Transconductance gFS 12 S VDS=-15V, ID=-5.3A 2
Input Capacitance Ciss 690 pF VGS=0V, VDS=-15V, f=1MHz 2
Output Capacitance Coss 306 pF VGS=0V, VDS=-15V, f=1MHz 2
Reverse Transfer Capacitance Crss 77 pF VGS=0V, VDS=-15V, f=1MHz 2
Total Gate Charge Qg 14 23 nC VGS=-15V, VDS=-10V, ID=-5.3A 2
Gate Source Charge Qgs 2.4 nC VGS=-15V, VDS=-10V, ID=-5.3A 2
Gate Drain Charge Qgd 4.8 nC VGS=-15V, VDS=-10V, ID=-5.3A 2
Turn-On Delay Time td(on) 7 14 ns VGS=-10V, VDS=-15V, ID=-1A, RG=6Ω 2
Turn-On Rise Time tr 10 18 ns VGS=-10V, VDS=-15V, ID=-1A, RG=6Ω 2
Turn-Off Delay Time td(off) 19 34 ns VGS=-10V, VDS=-15V, ID=-1A, RG=6Ω 2
Turn-Off Fall Time tf 11 20 ns VGS=-10V, VDS=-15V, ID=-1A, RG=6Ω 2

CAD (KiCad official)

  • Symbol: KI9435DY
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ki9435dy-etched.step / ki9435dy-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ki9435dy.step / ki9435dy.glb are the bare package body.

Provenance

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

  • Datasheet: KEXIN datasheet (4 pp, sha256 119c894eb2d0c01e, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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