# NTR2101PT1G-MS

**MSKSEMI** · MOSFETs · SOT-23

NTR2101PT1G-MS from MSKSEMI, 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 of the P-channel MOSFET, with a gate-source voltage rating of ±12 V and a gate threshold of -0.3 to -1.0 V. |
| 2 | S | passive | Source of the P-channel MOSFET, with a continuous source current of -2.0 A. |
| 3 | D | passive | Drain of the P-channel MOSFET, with a drain-source voltage rating of -18 V and a continuous drain current of -2.0 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| Category | Triode/MOS Tube/Transistor |
| 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 |
|---|---|---|---|---|---|---|---|
| Thermal Resistance Junction to ambient | RθJA |  |  | 400 | ℃/W |  | 2 |
| Drain-Source Voltage | VDS |  |  | -18 | V | TA=25℃ | 2 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V | TA=25℃ | 2 |
| Drain Current, Continuous | ID |  |  | -2 | A | TC=25℃ | 2 |
| Drain Current, Continuous | ID |  |  | -0.95 | A | TC=100℃ | 2 |
| Drain Current, Pulsed | IDM |  |  | -8 | A | TA=25℃ | 2 |
| Power Dissipation | PD |  |  | 312 | mW | TC=25℃ | 2 |
| Power Dissipation, Derate above 25℃ | PD |  |  | 2.5 | mW/℃ |  | 2 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 2 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 2 |
| Drain-Source Breakdown Voltage | BVDSS | -18 |  |  | V | VGS=0V , ID=-250uA | 3 |
| BVDSS Temperature Coefficient | BVDSS TJ |  | -0.01 |  | V/℃ | Reference to 25℃ , ID=-1mA | 3 |
| Drain-Source Leakage Current | IDSS |  |  | -1 | uA | VDS=-18V , VGS=0V , TJ=25 | 3 |
| Drain-Source Leakage Current | IDSS |  |  | -10 | uA | VDS=-16V , VGS=0V , TJ=125 | 3 |
| Gate-Source Leakage Current | IGSS |  |  | 100 | nA | VGS 12V , VDS=0V | 3 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 60 | 110 | mΩ | VGS=-4.5V , ID=-2A | 3 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 110 | 135 | mΩ | VGS=-2.5V , ID=-1A | 3 |
| Gate Threshold Voltage | VGS(th) | -0.3 | -0.6 | -1 | V | VGS=VDS , ID =-250uA | 3 |
| VGS(th) Temperature Coefficient | VGS(th) |  | 3 |  | mV/℃ |  | 3 |
| Forward Transconductance | gfs |  | 2.2 |  | S | VDS=-10V , IS=-1A | 3 |
| Total Gate Charge | Qg |  | 4.8 | 8 | nC | VDS=-10V , VGS=-4.5V , ID=-1A | 3 |
| Gate-Source Charge | Qgs |  | 0.5 | 1 | nC | VDS=-10V , VGS=-4.5V , ID=-1A | 3 |
| Gate-Drain Charge | Qgd |  | 1.9 | 4 | nC | VDS=-10V , VGS=-4.5V , ID=-1A | 3 |
| Turn-On Delay Time | Td(on) |  | 3.5 | 7 | ns | VDD=-10V , VGS=-4.5V , RG=25Ω ID=-1A | 3 |
| Rise Time | Tr |  | 12.6 | 24 | ns | VDD=-10V , VGS=-4.5V , RG=25Ω ID=-1A | 3 |
| Turn-Off Delay Time | Td(off) |  | 32.6 | 62 | ns | VDD=-10V , VGS=-4.5V , RG=25Ω ID=-1A | 3 |
| Fall Time | Tf |  | 8.4 | 16 | ns | VDD=-10V , VGS=-4.5V , RG=25Ω ID=-1A | 3 |
| Input Capacitance | Ciss |  | 350 | 510 | pF | VDS=-15V , VGS=0V , F=1MHz | 3 |
| Output Capacitance | Coss |  | 65 | 95 | pF | VDS=-15V , VGS=0V , F=1MHz | 3 |
| Reverse Transfer Capacitance | Crss |  | 50 | 75 | pF | VDS=-15V , VGS=0V , F=1MHz | 3 |
| Continuous Source Current | IS |  |  | -2 | A | VG=VD=0V , Force Current | 3 |
| Pulsed Source Current | ISM |  |  | -4 | A | VG=VD=0V , Force Current | 3 |
| Diode Forward Voltage | VSD |  |  | -1.2 | V | VGS=0V , IS=-1A , TJ=25℃ | 3 |

## CAD (KiCad official)

- Symbol: `NTR2101PT1G-MS`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ntr2101pt1g-ms-etched.step` / `ntr2101pt1g-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ntr2101pt1g-ms.step` / `ntr2101pt1g-ms.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [MSKSEMI datasheet](docs/ntr2101pt1g-ms-datasheet.pdf) (7 pp, sha256 `0373b2acde9b4266`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).

[Datasheet PDF](docs/ntr2101pt1g-ms-datasheet.pdf)