component
AO4441
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
markdownAO4441
UMW · MOSFETs · SOP-8
AO4441 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; pins 1, 2 and 3 are all SOURCE and the device is rated for VDS = -60V with a gate-source voltage of ±20V. |
| 2 | S | passive | SOURCE terminal; pins 1, 2 and 3 are all SOURCE and the device is rated for VDS = -60V with a gate-source voltage of ±20V. |
| 3 | S | passive | SOURCE terminal; pins 1, 2 and 3 are all SOURCE and the device is rated for VDS = -60V with a gate-source voltage of ±20V. |
| 4 | G | input | GATE terminal; gate-source voltage is limited to ±20V and the gate threshold voltage VGS(th) is specified between -1V and -3V. |
| 5 | D | passive | DRAIN terminal; pins 5 to 8 are all DRAIN, rated for VDS = -60V and continuous drain current -4A at TA=25°C (-3.1A at TA=70°C). |
| 6 | D | passive | DRAIN terminal; pins 5 to 8 are all DRAIN, rated for VDS = -60V and continuous drain current -4A at TA=25°C (-3.1A at TA=70°C). |
| 7 | D | passive | DRAIN terminal; pins 5 to 8 are all DRAIN, rated for VDS = -60V and continuous drain current -4A at TA=25°C (-3.1A at TA=70°C). |
| 8 | D | passive | DRAIN terminal; pins 5 to 8 are all DRAIN, rated for VDS = -60V and continuous drain current -4A at TA=25°C (-3.1A at TA=70°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 Breakdown Voltage | BVDSS | -60 | V | ID=-250µA, VGS=0V | 3 | ||
| Zero Gate Voltage Drain Current | IDSS | -1 | µA | VDS=-48V, VGS=0V | 3 | ||
| Zero Gate Voltage Drain Current | IDSS | -5 | µA | VDS=-48V, VGS=0V, TJ=55°C | 3 | ||
| Gate-Body leakage current | IGSS | -100 | 100 | nA | VDS=0V, VGS=±20V | 3 | |
| Gate Threshold Voltage | VGS(th) | -1 | -2.1 | -3 | V | VDS=VGS, ID=-250μA | 3 |
| Static Drain-Source On-Resistance | RDS(ON) | 80 | 100 | mΩ | VGS=-10V, ID=-4A | 3 | |
| Static Drain-Source On-Resistance | RDS(ON) | 102 | 130 | mΩ | VGS=-4.5V, ID=-3A | 3 | |
| Diode Forward Voltage | VSD | -0.77 | -1 | V | IS=-1A, VGS=0V | 3 | |
| Maximum Body-Diode Continuous Current | IS | -4 | A | 3 | |||
| Input Capacitance | Ciss | 930 | 1120 | pF | VGS=0V, VDS=-30V, f=1MHz | 3 | |
| Gate resistance | Rg | 7.2 | 9 | Ω | f=1MHz | 3 | |
| Total Gate Charge (10V) | Qg(10V) | 16 | 20 | nC | VGS=-10V, VDS=-30V, ID=-4A | 3 | |
| Total Gate Charge (4.5V) | Qg(4.5V) | 8 | 10 | nC | 3 | ||
| Drain-Source Voltage | VDS | -60 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current | ID | -4 | A | TA=25°C | 1 | ||
| Continuous Drain Current | ID | -3.1 | A | TA=70°C | 1 | ||
| Pulsed Drain Current | IDM | -20 | A | 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 (t ≤ 10s) | RθJA | 24 | 40 | °C/W | t ≤ 10s | 2 | |
| Maximum Junction-to-Ambient (Steady-State) | RθJA | 54 | 75 | °C/W | Steady-State | 2 | |
| Maximum Junction-to-Lead | RθJL | 21 | 30 | °C/W | Steady-State | 2 |
CAD (KiCad official)
- Symbol:
AO4441 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
ao4441-etched.step/ao4441-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ao4441.step/ao4441.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (10 pp, sha256
2c5de7f22797a9e5, 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).