# OSD2N65

**OSEN** · MOSFETs · TO-252

OSD2N65 from OSEN, 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; gate-source voltage limited to ±30 V continuous, threshold 2.0 to 4.0 V at ID=250µA. |
| 2 | Drain | passive | Drain terminal (also the tab); drain-source voltage 650 V, continuous drain current 2 A, pulsed 8 A. |
| 3 | Source | passive | Source terminal; continuous diode forward current 2 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | OSEN |
| 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 | 650 |  |  | V | ID=250µA, VGS=0V, TJ=25°C | 2 |
| Gate Threshold Voltage | VGS(th) | 2 |  | 4 | V | VDS=VGS, ID=250μA | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±30V, VDS=0 | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS=650V, VGS=0 | 2 |
| Forward Transconductance | gfs | 1 |  |  | S | VDS=15V, ID=1A | 2 |
| Turn-On Delay Time | Td（on） |  | 40 | 60 | ns | VDS=325V，ID=2A，RG=25Ω（Note 2） | 3 |
| Rise Time | Tr |  | 35 | 55 | ns |  | 3 |
| Turn-Off Delay Time | Td（off） |  | 70 | 95 | ns |  | 3 |
| Fall Time | Tf |  | 45 | 65 | ns |  | 3 |
| Total Gate Charge | Qg |  | 9 | 15 | nC | VDS=480V，VGS=10V，ID=2A（Note 2） | 3 |
| Input Capacitance | Ciss |  | 260 | 350 | pF | VDS=25V，VGS=0， f=1MHz | 3 |
| Output Capacitance | Coss |  | 38 | 50 | pF |  | 3 |
| Reverse Transfer Capacitance | Crss |  | 8 | 20 | pF |  | 3 |
| Continuous Drain-Source Diode Forward Current | IS |  |  | 2 | A | Note 2 | 3 |
| Diode Forward On-Voltage | VSD |  |  | 1.4 | V | IS=2A，VGS=0 | 3 |
| Thermal Resistance, Junction to Case | Rth(j-c) |  |  | 5.68 | ℃/W |  | 3 |
| Drain-Source Voltage | VDSS |  |  | 650 | V | Tc=25°C | 2 |
| Gate-Source Voltage-Continuous | VGS | -30 |  | 30 | V |  | 2 |
| Drain Current-Continuous | ID |  |  | 2 | A | Note 2 | 2 |
| Drain Current-Single Pulsed | IDM |  |  | 8 | A | Note 1 | 2 |
| Power Dissipation | PD |  |  | 22 | W | Note 2 | 2 |
| Max. Operating Junction Temperature | Tj |  |  | 150 | ℃ |  | 2 |

## CAD (KiCad official)

- Symbol: `OSD2N65`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `osd2n65-etched.step` / `osd2n65-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `osd2n65.step` / `osd2n65.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [OSEN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590929169372946432) (3 pp, sha256 `446c701797acb1e9`, retrieved 2026-10-18, 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/osd2n65-datasheet.pdf)