# IRFR5305

**Slkor SLKORMICRO Elec** · MOSFETs · TO-252

IRFR5305 from Slkor SLKORMICRO Elec, 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 | G | input | Gate; gate-source voltage limited to ±20 V, threshold VGS(th) -1 to -2.5 V at ID=250μA. |
| 2 | D | passive | Drain (also the exposed tab); drain-source voltage -60 V, continuous drain current -30 A at TC=25℃. |
| 3 | S | passive | Source; source-drain diode forward voltage max -1.2 V at IS=-15A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Slkor SLKORMICRO Elec |
| 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 Breakdown Voltage | BVDSS | -60 |  |  | V | VGS=0V, ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -1 | μA | VGS=0V, VDS=-60V | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0A | 2 |
| Gate-Source Threshold Voltage | VGS(th) | -1 | -1.8 | -2.5 | V | VGS=VDS, ID=250μA | 2 |
| Drain-Source On Resistance | RDS(ON) |  | 26 | 35 | mΩ | VGS=-10V, ID=-15A | 2 |
| Drain-Source On Resistance | RDS(ON) |  | 32 | 40 | mΩ | VGS=-4.5V, ID=-10A | 2 |
| Source-Drain Diode Forward Voltage | VSD |  | -0.88 | -1.2 | V | VGS=0V, IS=-15A, TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | -60 | V | TC=25℃ unless otherwise noted | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V | TC=25℃ unless otherwise noted | 1 |
| Continuous Drain Current | ID |  |  | -30 | A | TC=25℃ unless otherwise noted | 1 |
| Continuous Drain Current | ID |  |  | -19 | A | TC=100℃ | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 225 | mJ | Single pulse | 1 |
| Power Dissipation | PD |  |  | 50 | W | TC=25℃ unless otherwise noted | 1 |
| Operating and Storage Junction Temperature Range | TJ, TSTG | -55 |  | 175 | ℃ |  | 1 |
| Thermal Resistance, Junction to Case | RθJC |  |  | 3 | ℃/W |  | 1 |
| Thermal Resistance, Junction to Ambient | RθJA |  |  | 42 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `IRFR5305`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `irfr5305-etched.step` / `irfr5305-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `irfr5305.step` / `irfr5305.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Slkor SLKORMICRO Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603055946453708800) (5 pp, sha256 `167c293dfe1baa7b`, retrieved 2026-10-19, 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/irfr5305-datasheet.pdf)