KCD2908A

@@ -0,0 +1,45 @@+# KCD2908A++**KIA Semicon Tech** · MOSFETs · TO-252++KCD2908A from KIA Semicon Tech, in a TO-252. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | Gate | input | Gate terminal of the N-channel MOSFET. Controls channel conduction via VGS; threshold voltage VGS(th) = 2.0-4.0 V (typ 3.0 V), absolute maximum VGS = ±20 V. Typical drive is VGS = 10 V for full enhancement (RDS(on) typ 4.3 mΩ). |+| 2 | Drain | passive | Drain terminal of the N-channel MOSFET, also connected to the TO-252 tab. Drain-to-source breakdown voltage BVDSS = 85 V min; continuous ID = 110 A at TC=25 °C (TO-252); pulsed IDP = 480 A. Body diode anode is Source, cathode is Drain (VSD typ 0.85 V @ 40 A). |+| 3 | Source | passive | Source terminal of the N-channel MOSFET and reference for VGS. Carries the drain current back to the load return; also forms the anode of the intrinsic body diode (reverse recovery time trr typ 68 ns, Qrr typ 260 nC). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | KIA Semicon Tech |+| Package | TO-252 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `KCD2908A`+- `KCD2908AKCB2908A`++## CAD (KiCad official)++- Symbol: `KCD2908A`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: TO-252 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [KIA Semicon Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944474181947392) (None pp, sha256 `120b2a37db0c934e`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/kcd2908a-datasheet.pdf)

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