component
AO4447A
Public Made by Adomby adom
UMW 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
markdownAO4447A
UMW · MOSFETs · SOP-8
AO4447A from UMW, 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 terminal of the -30 V P-channel MOSFET, rated with the absolute maximum VDS of -30 V and VGS of ±20 V. |
| 2 | S | passive | Source terminal of the -30 V P-channel MOSFET, rated with the absolute maximum VDS of -30 V and VGS of ±20 V. |
| 3 | S | passive | Source terminal of the -30 V P-channel MOSFET, rated with the absolute maximum VDS of -30 V and VGS of ±20 V. |
| 4 | G | input | Gate terminal of the MOSFET; the absolute maximum gate-source voltage is ±20 V (VGS). |
| 5 | D | passive | Drain terminal of the MOSFET; the absolute maximum drain-source voltage is -30 V and continuous drain current is -18.5 A at TA = 25°C. |
| 6 | D | passive | Drain terminal of the MOSFET; the absolute maximum drain-source voltage is -30 V and continuous drain current is -18.5 A at TA = 25°C. |
| 7 | D | passive | Drain terminal of the MOSFET; the absolute maximum drain-source voltage is -30 V and continuous drain current is -18.5 A at TA = 25°C. |
| 8 | D | passive | Drain terminal of the MOSFET; the absolute maximum drain-source voltage is -30 V and continuous drain current is -18.5 A at TA = 25°C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| 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 Voltage | VDS | -30 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current | ID | -18.5 | A | TA=25°C | 1 | ||
| Continuous Drain Current | ID | -14.5 | A | TA=70°C | 1 | ||
| Pulsed Drain Current | IDM | -74 | A | 1 | |||
| Avalanche Current | IAS | 54 | A | 1 | |||
| Avalanche Energy | EAS | 146 | mJ | L=0.1mH | 1 | ||
| Power Dissipation | PD | 3.1 | W | TA=25°C | 1 | ||
| Power Dissipation | PD | 2 | W | TA=70°C | 1 | ||
| Junction and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Maximum Junction-to-Ambient | RθJA | 31 | 40 | °C/W | t ≤ 10s | 2 | |
| Maximum Junction-to-Ambient | RθJA | 59 | 75 | °C/W | Steady-State | 2 | |
| Maximum Junction-to-Lead | RθJL | 16 | 24 | °C/W | 2 | ||
| Drain-Source Breakdown Voltage | BVDSS | -30 | V | ID=-250µA, VGS=0V | 3 | ||
| Gate Threshold Voltage | VGS(th) | -1.2 | -1.7 | -2.2 | V | VDS=VGS, ID=-250μA | 3 |
| Static Drain-Source On-Resistance | RDS(ON) | 4.7 | 5.8 | mΩ | VGS=-10V, ID=-18.5A | 3 | |
| Static Drain-Source On-Resistance | RDS(ON) | 6.3 | 8.2 | mΩ | VGS=-4.5V, ID=-16A | 3 | |
| Zero Gate Voltage Drain Current | IDSS | -1 | µA | VDS=-30V, VGS=0V | 3 | ||
| Zero Gate Voltage Drain Current (TJ=55°C) | IDSS | -5 | µA | VDS=-30V, VGS=0V, TJ=55°C | 3 | ||
| Gate-Body leakage current | IGSS | -10 | 10 | µA | VDS=0V, VGS=±16V | 3 | |
| Diode Forward Voltage | VSD | -0.66 | -1 | V | IS=-1A, VGS=0V | 3 | |
| Maximum Body-Diode Continuous Current | IS | -4 | A | 3 |
CAD (KiCad official)
- Symbol:
AO4447A - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
ao4447a-etched.step/ao4447a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ao4447a.step/ao4447a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (10 pp, sha256
c0a2ae115a3c80a7, retrieved 2026-10-09, 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).