component
MS40P05
Public Made by Adomby adom
Bruckewell 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
markdownMS40P05
Bruckewell · MOSFETs · SOT-23
MS40P05 from Bruckewell, 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 | G | input | Gate; gate-source voltage limited to ±20 V, threshold -1.0 V to -2.5 V at ID=-250µA. |
| 2 | S | passive | Source; continuous source current up to -3.2 A through the body diode. |
| 3 | D | passive | Drain; drain-source voltage rated -40 V and continuous drain current -4.6 A at TA=25°C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Bruckewell |
| 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 |
|---|---|---|---|---|---|---|---|
| Gate Threshold Voltage | VGS(th) | -2.5 | -1 | V | VDS=VGS, ID=-250μA | 3 | |
| Drain-Source Breakdown Voltage | BVDSS | -40 | V | VGS=0V, ID=-250μA | 3 | ||
| Gate-Source Leakage Current | IGSS | -100 | 100 | nA | VDS=0V, VGS=±20V | 3 | |
| Drain-Source Leakage Current (TJ=25°C) | IDSS | -1 | μA | VDS=-36V, VGS=0V, TJ=25°C | 3 | ||
| Drain-Source Leakage Current (TJ=55°C) | IDSS | -10 | μA | VDS=-36V, VGS=0V, TJ=55°C | 3 | ||
| Drain-Source On-Resistance | RDS(on) | 70 | mΩ | VGS=-10V, ID=-3A | 3 | ||
| Drain-Source On-Resistance | RDS(on) | 100 | mΩ | VGS=-4.5V, ID=-2A | 3 | ||
| Single Pulse Avalanche Energy | EAS | 6.1 | mJ | VDD=-25V, IAS=-3.5A | 3 | ||
| Diode Forward Voltage | VSD | -1.2 | V | IS=-1A, VGS=0, TJ=25°C | 3 | ||
| Continuous Source Current | IS | -3.2 | A | VG=VD=0V, Force Current | 3 | ||
| Pulsed Source Current | ISM | -16 | A | 3 | |||
| Drain-Source Voltage | VDS | -40 | V | 2 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 2 | ||
| Continuous Drain Current | ID | -4.6 | A | TA=25°C | 2 | ||
| Continuous Drain Current | ID | -2 | A | TA=100°C | 2 | ||
| Pulsed Drain Current | IDM | -18 | A | 2 | |||
| Single Pulse Avalanche Current | IAS | -13 | A | L=0.1mH | 2 | ||
| Single Pulse Avalanche Energy | EAS | 8.4 | mJ | L=0.1mH | 2 | ||
| Power Dissipation | PD | 2.5 | W | TA=25°C | 2 | ||
| Operating Junction and Storage Temperature | TJ/TSTG | -55 | 175 | °C | 2 | ||
| Junction-to-Ambient Thermal Resistance | RθJA | 125 | °C/W | 2 | |||
| Junction-to-Case Thermal Resistance | RθJC | 80 | °C/W | 2 | |||
| Forward Transconductance | gfs | 5.8 | S | VDS=-5V, ID=-3A | 3 | ||
| Total Gate Charge | Qg | 6.4 | nC | VDS=-32V, ID=-3A, VGS=-4.5V | 4 | ||
| Gate-Source Charge | Qgs | 2.1 | nC | VDS=-32V, ID=-3A, VGS=-4.5V | 4 | ||
| Gate-Drain Charge | Qgd | 2.5 | nC | VDS=-32V, ID=-3A, VGS=-4.5V | 4 | ||
| Turn-On Delay Time | td(on) | 4.2 | ns | VDS=-20V, ID=-3A, VGS=-4.5V, RG=3.3Ω | 4 | ||
| Rise Time | tr | 23 | ns | VDS=-20V, ID=-3A, VGS=-4.5V, RG=3.3Ω | 4 | ||
| Turn-Off Delay Time | td(off) | 26.8 | ns | VDS=-20V, ID=-3A, VGS=-4.5V, RG=3.3Ω | 4 | ||
| Fall Time | tf | 20.6 | ns | VDS=-20V, ID=-3A, VGS=-4.5V, RG=3.3Ω | 4 | ||
| Input Capacitance | CISS | 620 | pF | VDS=-15V, VGS=0V, f=1.0MHz | 4 | ||
| Output Capacitance | COSS | 65 | pF | VDS=-15V, VGS=0V, f=1.0MHz | 4 | ||
| Reverse Transfer Capacitance | CRSS | 53 | pF | VDS=-15V, VGS=0V, f=1.0MHz | 4 | ||
| Gate Resistance | Rg | 4.3 | Ω | VDS=0V, f=1.0MHz | 4 |
CAD (KiCad official)
- Symbol:
MS40P05 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
ms40p05-etched.step/ms40p05-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms40p05.step/ms40p05.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Bruckewell datasheet (7 pp, sha256
12f24592ddbce784, retrieved 2026-10-23, 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).