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ST2305
Public Made by Adomby adom
STANSON Tech MOSFETs, SOT-23. 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
markdownST2305
STANSON Tech · MOSFETs · SOT-23
ST2305 from STANSON Tech, 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 | Gate | input | Gate of the P-channel MOSFET; gate-source voltage is rated VGSS ±12 V (absolute maximum). |
| 2 | Source | passive | Source of the P-channel MOSFET; continuous source current (diode conduction) is rated IS -1.6 A. |
| 3 | Drain | passive | Drain of the P-channel MOSFET; drain-source voltage VDSS -20 V, continuous drain current -3.5 A at TA=25°C (-2.8 A at TA=70°C), pulsed drain current -10 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STANSON Tech |
| 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 Breakdown Voltage | V(BR)DSS | -15 | V | VGS=0V,ID=-250uA | 3 | ||
| Gate Threshold Voltage | VGS(th) | -1.5 | -0.5 | V | VDS=VGS,ID=-250uA | 3 | |
| Gate Leakage Current | IGSS | -100 | 100 | nA | VDS=0V,VGS=±12V | 3 | |
| Zero Gate Voltage Drain Current | IDSS | -1 | uA | VDS=-20V,VGS=0V | 3 | ||
| Zero Gate Voltage Drain Current (TJ=55℃) | IDSS | -10 | uA | VDS=-20V,VGS=0V TJ=55℃ | 3 | ||
| Diode Forward Voltage | VSD | -0.8 | -1.2 | V | IS=-1.6A,VGS=0V | 3 | |
| Total Gate Charge | Qg | 10 | 12 | nC | VDS=-10V VGS=-4.5V ID≡-3.5A | 3 | |
| Turn-On Time | td(on) | 10 | 18 | nS | VDD=-10V RL=6Ω ID=-1.0A VGEN=-4.5V RG=6Ω | 3 | |
| Turn-On Rise Time | tr | 13 | 22 | nS | VDD=-10V RL=6Ω ID=-1.0A VGEN=-4.5V RG=6Ω | 3 | |
| Turn-Off Time | td(off) | 18 | 24 | nS | VDD=-10V RL=6Ω ID=-1.0A VGEN=-4.5V RG=6Ω | 3 | |
| Turn-Off Fall Time | tf | 15 | 20 | nS | VDD=-10V RL=6Ω ID=-1.0A VGEN=-4.5V RG=6Ω | 3 | |
| Gate-Source Voltage | VGSS | -12 | 12 | V | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 2 | ||
| Drain-Source On-Resistance (VGS=-4.5V) | RDS(on) | 0.063 | Ω | VGS=-4.5V,ID=-3.5A | 3 | ||
| Drain-Source On-Resistance (VGS=-2.5V) | RDS(on) | 0.08 | Ω | VGS=-2.5V,ID=-3.0A | 3 | ||
| Drain-Source On-Resistance (VGS=-1.8V) | RDS(on) | 0.1 | Ω | VGS=-1.8V,ID=-2.0A | 3 | ||
| Forward Transconductance | gfs | 8.5 | S | VDS=-5V,ID=-3.5V | 3 | ||
| Gate-Source Charge | Qgs | 2 | nC | VDS=-10V VGS=-4.5V ID≡-3.5A | 3 | ||
| Gate-Drain Charge | Qgd | 2 | nC | VDS=-10V VGS=-4.5V ID≡-3.5A | 3 | ||
| Input Capacitance | Ciss | 485 | pF | VDS=-10V VGS=0V F=1MHz | 3 | ||
| Output Capacitance | Coss | 90 | pF | VDS=-10V VGS=0V F=1MHz | 3 | ||
| Reverse Transfer Capacitance | Crss | 40 | pF | VDS=-10V VGS=0V F=1MHz | 3 | ||
| Drain-Source Voltage | VDSS | -20 | V | 2 | |||
| Continuous Drain Current (TA=25℃) | ID | -3.5 | A | TA=25℃ | 2 | ||
| Continuous Drain Current (TA=70℃) | ID | -2.8 | A | TA=70℃ | 2 | ||
| Pulsed Drain Current | IDM | -10 | A | 2 | |||
| Continuous Source Current (Diode Conduction) | IS | -1.6 | A | 2 | |||
| Power Dissipation (TA=25℃) | PD | 1.25 | W | TA=25℃ | 2 | ||
| Power Dissipation (TA=70℃) | PD | 0.8 | W | TA=70℃ | 2 | ||
| Operation Junction Temperature | TJ | 150 | ℃ | 2 | |||
| Thermal Resistance, Junction to Ambient | RθJA | 120 | ℃/W | 2 |
CAD (KiCad official)
- Symbol:
ST2305 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
st2305-etched.step/st2305-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);st2305.step/st2305.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STANSON Tech datasheet (6 pp, sha256
6eea6a36b5214f45, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).