component
AO4423
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
markdownAO4423
UMW · MOSFETs · SOP-8
AO4423 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; pins 1, 2 and 3 are all source. |
| 2 | S | passive | SOURCE terminal of the -30 V P-channel MOSFET; pins 1, 2 and 3 are all source. |
| 3 | S | passive | SOURCE terminal of the -30 V P-channel MOSFET; pins 1, 2 and 3 are all source. |
| 4 | G | input | GATE terminal; gate-source voltage is rated at ±20 V (absolute maximum). |
| 5 | D | passive | DRAIN terminal of the MOSFET; pins 5, 6, 7 and 8 are all drain. |
| 6 | D | passive | DRAIN terminal of the MOSFET; pins 5, 6, 7 and 8 are all drain. |
| 7 | D | passive | DRAIN terminal of the MOSFET; pins 5, 6, 7 and 8 are all drain. |
| 8 | D | passive | DRAIN terminal of the MOSFET; pins 5, 6, 7 and 8 are all drain. |
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 | -13.5 | A | TC=25°C | 1 | ||
| Continuous Drain Current | ID | -11.9 | A | TC=70°C | 1 | ||
| Continuous Drain Current | ID | -10.9 | A | TA=25°C (note a,b) | 1 | ||
| Continuous Drain Current | ID | -8.6 | A | TA=70°C (note a,b) | 1 | ||
| Pulsed Drain Current | IDM | -50 | A | 1 | |||
| Continuous Source-Drain Diode Current | IS | -4.1 | A | TC=25°C | 1 | ||
| Continuous Source-Drain Diode Current | IS | -2.2 | A | TA=25°C (note a,b) | 1 | ||
| Avalanche Current | IAS | -20 | A | L = 0.1 mH | 1 | ||
| Single-Pulse Avalanche Energy | EAS | 20 | mJ | L = 0.1 mH | 1 | ||
| Maximum Power Dissipation | PD | 5 | W | TC=25°C | 2 | ||
| Maximum Power Dissipation | PD | 3.2 | W | TC=70°C | 2 | ||
| Maximum Power Dissipation | PD | 2.7 | W | TA=25°C (note a,b) | 2 | ||
| Maximum Power Dissipation | PD | 1.7 | W | TA=70°C (note a,b) | 2 | ||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | °C | 2 | ||
| Maximum Junction-to-Ambient | RthJA | 38 | 46 | °C/W | t ≤ 10s (note a,c) | 2 | |
| Maximum Junction-to-Ambient | RthJA | 85 | °C/W | Steady-State (note c) | 2 | ||
| Maximum Junction-to-Foot (Drain) | RthJF | 20 | 25 | °C/W | 2 | ||
| Drain-Source Breakdown Voltage | VDS | -30 | V | VDS=0V, ID=-250μA | 3 | ||
| Gate-Source Threshold Voltage | VGS(th) | -1.4 | -2.5 | V | VDS=VGS, ID=-250μA | 3 | |
| Gate-Source Leakage | IGSS | -100 | 100 | nA | VDS=0V, VGS=±25V | 3 | |
| Zero Gate Voltage Drain Current | IDSS | -1 | µA | VDS=-30V, VGS=0V | 3 | ||
| Zero Gate Voltage Drain Current | IDSS | -5 | µA | VDS=-30V, VGS=0V, TJ=55°C | 3 | ||
| Drain-Source On-State Resistance | RDS(ON) | 11 | mΩ | VGS=-10V, ID=-10A | 3 | ||
| Drain-Source On-State Resistance | RDS(ON) | 15 | mΩ | VGS=-4.5V, ID=-8A | 3 | ||
| Diode Forward Voltage (Body Diode Voltage) | VSD | -0.75 | -1.2 | V | IS=-3A, VGS=0V | 4 |
CAD (KiCad official)
- Symbol:
AO4423 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
ao4423-etched.step/ao4423-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ao4423.step/ao4423.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (11 pp, sha256
ed6f25ef97500191, retrieved 2026-10-18, 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).