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IRFS7434TRLPBF
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Infineon Technologies MOSFETs, D2PAK. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+48@@ -0,0 +1,48 @@+# IRFS7434TRLPBF++**Infineon Technologies** · MOSFETs · D2PAK++IRFS7434TRLPBF from Infineon Technologies, in a D2PAK. 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 | G | input | Gate. Insulated MOSFET gate controlling channel conduction. V_GS(th) = 2.2-3.9 V (typ. 3.0 V); absolute V_GS rating ±20 V. Internal gate resistance R_G ≈ 2.1 Ω typ. Drive with V_GS = 10 V for rated R_DS(on) of ≤1.6 mΩ. |+| 2 | D | passive | Drain. High-side power terminal of the N-channel HEXFET. V_(BR)DSS ≥ 40 V; continuous I_D up to 320 A (silicon limited) / 195 A (package/bond-wire limited) at T_C = 25 °C. Electrically common with the exposed metal tab (heat-sink). |+| 3 | S | passive | Source. Low-side power terminal of the N-channel HEXFET and reference for V_GS. Also the anode of the intrinsic body diode (V_SD ≈ 0.9 V typ., 1.3 V max at I_S = 100 A) used for reverse conduction / synchronous rectification. |+| TAB | D | passive | Exposed metal heat-sink tab, electrically tied to Drain. Provides the primary thermal path (R_thJC ≈ 0.5 °C/W max) - solder to a copper pour for heat removal and drain current handling. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Infineon Technologies |+| Package | D2PAK |+| Category | Transistors/Thyristors |+| Pins | 4 |++## Ordering variants++Same part, different packaging or reel option.++- `IRFS7434PbF`+- `IRFS7434TRLPBF`+- `IRFS7434TRRPBF`+- `IRFSL7434PbF`++## CAD (KiCad official)++- Symbol: `IRFS7434TRLPBF`+- Footprint: `Package_TO_SOT_SMD:TO-263-2`+- 3D model: D2PAK (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Infineon Technologies datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885472169246720) (12 pp, sha256 `4e0a6ba3dd0fbbd3`, 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/irfs7434trlpbf-datasheet.pdf)
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