component
ST9435A
Public Made by Adomby adom
STANSON Tech MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownST9435A
STANSON Tech · MOSFETs · SOP-8
ST9435A from STANSON Tech, 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 | S | passive | Source of the P-channel MOSFET; continuous source (diode conduction) current is rated at -2.3A. |
| 2 | S | passive | Source of the P-channel MOSFET, connected in parallel with the other source pins (1, 2, 3). |
| 3 | S | passive | Source of the P-channel MOSFET, connected in parallel with the other source pins (1, 2, 3). |
| 4 | G | input | Gate of the P-channel MOSFET; absolute maximum gate-source voltage is ±20V with threshold of -1.0V to -3.0V. |
| 5 | D | passive | Drain of the P-channel MOSFET; drain-source voltage rating is -30V. |
| 6 | D | passive | Drain of the P-channel MOSFET, connected in parallel with the other drain pins (5, 6, 7, 8). |
| 7 | D | passive | Drain of the P-channel MOSFET, connected in parallel with the other drain pins (5, 6, 7, 8). |
| 8 | D | passive | Drain of the P-channel MOSFET, connected in parallel with the other drain pins (5, 6, 7, 8). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STANSON Tech |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| 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 | V(BR)DSS | -30 | V | VGS=0V,ID=-250uA | 3 | ||
| Gate Threshold Voltage | VGS(th) | -1 | -3 | V | VDS=VGS,ID=-250uA | 3 | |
| Gate Leakage Current | IGSS | -100 | 100 | nA | VDS=0V,VGS=±20V | 3 | |
| Zero Gate Voltage Drain Current | IDSS | -1 | uA | VDS=-24V,VGS=0V | 3 | ||
| Zero Gate Voltage Drain Current (TJ=85℃) | IDSS | -5 | uA | VDS=-24V,VGS=0V TJ=85℃ | 3 | ||
| On-State Drain Current | ID(on) | -10 | A | VDS=-5V,VGS=-4.5V | 3 | ||
| Total Gate Charge | Qg | 16 | 24 | nC | VDS=-15V,VGS=-10V ID≡-3.5A | 3 | |
| Turn-On Delay Time | td(on) | 14 | 25 | nS | VDD=-15V,RL=15Ω ID=-1A,VGEN=-10V RG=6Ω | 3 | |
| Turn-On Rise Time | tr | 16 | 26 | nS | VDD=-15V,RL=15Ω ID=-1A,VGEN=-10V RG=6Ω | 3 | |
| Turn-Off Delay Time | td(off) | 43 | 70 | nS | VDD=-15V,RL=15Ω ID=-1A,VGEN=-10V RG=6Ω | 3 | |
| Turn-Off Fall Time | tf | 30 | 52 | nS | VDD=-15V,RL=15Ω ID=-1A,VGEN=-10V RG=6Ω | 3 | |
| Diode Forward Voltage | VSD | -0.8 | -1.2 | V | IS=-2.3A,VGS=0V | 3 | |
| Gate-Source Voltage | VGSS | -20 | 20 | V | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 2 | ||
| Drain-Source Voltage | VDSS | -30 | V | 2 | |||
| Continuous Drain Current | ID | -6.5 | A | TA=25℃ (TJ=150℃) | 2 | ||
| Continuous Drain Current | ID | -4.6 | A | TA=70℃ (TJ=150℃) | 2 | ||
| Pulsed Drain Current | IDM | -30 | A | 2 | |||
| Continuous Source Current (Diode Conduction) | IS | -2.3 | A | 2 | |||
| Power Dissipation | PD | 2.5 | W | TA=25℃ | 2 | ||
| Power Dissipation | PD | 1.6 | W | TA=70℃ | 2 | ||
| Operation Junction Temperature | TJ | 150 | ℃ | 2 | |||
| Thermal Resistance Junction to Ambient | RθJA | 70 | ℃/W | 2 | |||
| Drain-Source On-Resistance | RDS(on) | 0.055 | Ω | VGS=-10V,ID=-5.6A | 3 | ||
| Drain-Source On-Resistance | RDS(on) | 0.072 | Ω | VGS=-6.0V,ID=-5.0A | 3 | ||
| Drain-Source On-Resistance | RDS(on) | 0.08 | Ω | VGS=-4.5V,ID=-4.4A | 3 | ||
| Forward Transconductance | gfs | 13 | S | VDS=-15V,ID=-5.7V | 3 | ||
| Gate-Source Charge | Qgs | 2.3 | nC | VDS=-15V,VGS=-10V ID≡-3.5A | 3 | ||
| Gate-Drain Charge | Qgd | 4.5 | nC | VDS=-15V,VGS=-10V ID≡-3.5A | 3 | ||
| Input Capacitance | Ciss | 680 | pF | VDS=-15V,VGS=0V f=1MHz | 3 | ||
| Output Capacitance | Coss | 120 | pF | VDS=-15V,VGS=0V f=1MHz | 3 | ||
| Reverse Transfer Capacitance | Crss | 75 | pF | VDS=-15V,VGS=0V f=1MHz | 3 |
CAD (KiCad official)
- Symbol:
ST9435A - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
st9435a-etched.step/st9435a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);st9435a.step/st9435a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STANSON Tech datasheet (7 pp, sha256
9f7089e64d7596a4, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).