# KIRFR9024NTRTBF

**KUU** · MOSFETs · TO-252

KIRFR9024NTRTBF from KUU, in a TO-252. 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 | GATE | input | Gate terminal of the P-channel MOSFET; gate-source voltage VGS is limited to ±20 V per the maximum ratings. |
| 2 | DRAIN | passive | Drain terminal of the P-channel MOSFET; drain-source voltage VDS is rated -60 V and continuous drain current ID is -8.8 A. |
| 3 | SOURCE | passive | Source terminal of the P-channel MOSFET; continuous source-drain diode current IS is -8.8 A and pulsed diode current ISM is -35 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| Package | TO-252 |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | -60 |  |  | V |  | 2 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 2 |
| Continuous Drain Current | ID | -8.8 |  |  | A |  | 2 |
| Pulsed Diode Curren | IDM | -35 |  |  | A |  | 2 |
| Power Dissipation | PD |  |  | 50 | W |  | 2 |
| Single Pulse Avalanche Energy | EAS |  |  | 300 | mJ |  | 2 |
| Repetitive Avalanche Current | IAR | -8.8 |  |  | A |  | 2 |
| Repetitive Avalanche Energy | EAR |  |  | 5 | mJ |  | 2 |
| Peak Diode Recovery dV/dt | dV/dt | -4.5 |  |  | V/ns |  | 2 |
| Operating Junction Temperature | TJ |  |  | 150 | ℃ |  | 2 |
| Storage Temperature | TSTG | -55 |  | 155 | ℃ |  | 2 |
| Drain-source breakdown voltage | V(BR)DSS | -60 |  |  | V | VGS = 0V, ID = - 250µA | 3 |
| Gate-source threshold voltage | VGS(th) | -2 |  | -4 | V | VDS =VGS, ID = -250µA | 3 |
| Gate-source leakage | IGSS | -100 |  | 100 | nA | VDS =0V, VGS = ±20V | 3 |
| Zero gate voltage drain current | IDSS |  |  | -100 | µA | VDS = -60V, VGS =0V | 3 |
| Drain-source on-state resistance | RDS(on) |  | 75 | 200 | mΩ | VGS = -10V, ID = -5.3A | 3 |
| Forward transconductance | gfs | 2.9 |  |  | S | VDS = -25V, ID = -5.3A | 3 |
| Diode forward voltage | VSD |  |  | -1.8 | V | IS= -7.2A, VGS=0V | 3 |
| Reverse Recovery Time | trr |  | 100 | 200 | ns | IF= -11A, dl/dt=100A/s | 3 |
| Reverse Recovery Charge | Qrr |  | 0.32 | 0.64 | µC | IF= -11A, dl/dt=100A/s | 3 |
| Continuous Source-Drain Diode Current | IS |  |  | -8.8 | A |  | 3 |
| Pulsed Diode Forward Current | ISM |  |  | -35 | A |  | 3 |
| Thermal resistance from junction to ambient | RθJA |  | 45 |  | ℃/W | t≤10s | 2 |
| Maximum Junction-to-Ambient | RthJA |  | 110 |  | ℃/W |  | 2 |
| Linear Derating Factor |  |  | 0.33 |  | W/°C |  | 2 |
| Linear Derating Factor (PCB Mount) |  |  | 0.02 |  | W/°C |  | 2 |

## CAD (KiCad official)

- Symbol: `KIRFR9024NTRTBF`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `kirfr9024ntrtbf-etched.step` / `kirfr9024ntrtbf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kirfr9024ntrtbf.step` / `kirfr9024ntrtbf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KUU datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954879017046016) (9 pp, sha256 `53545cfa8ad9689d`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).

[Datasheet PDF](docs/kirfr9024ntrtbf-datasheet.pdf)