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GS8631-TR
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Gainsil Low Noise Amplifiers (LNA) - RF, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# GS8631-TR++**Gainsil** · Low Noise Amplifiers (LNA) - RF · SOT-23-5++GS8631-TR from Gainsil, in a SOT-23-5. 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 | OUT | output | Op-amp output. Rail-to-rail output swing capable of driving 600 ohm loads; typical closed-loop output impedance 3 ohm and output current up to ~53 mA. |+| 2 | VSS | power_in | Negative supply / ground reference. Together with VDD forms the single-supply range of 2.1 V to 5.5 V (absolute max VDD-VSS = 7.5 V). |+| 3 | IN+ | input | Non-inverting analog input. Rail-to-rail common-mode range (typ -0.1 V to VDD+0.1 V); input bias current ~1 pA typ. |+| 4 | IN- | input | Inverting analog input. Rail-to-rail common-mode range (typ -0.1 V to VDD+0.1 V); input bias current ~1 pA typ. |+| 5 | VDD | power_in | Positive supply. Single-supply operation from +2.1 V to +5.5 V (absolute max VDD-VSS = 7.5 V). Quiescent current ~470 uA/amplifier at 5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Gainsil |+| Package | SOT-23-5 |+| Category | RF And Wireless |+| Pins | 5 |++## Ordering variants++Same part, different packaging or reel option.++- `GS8631-TR`+- `GS8631-CR`+- `GS8631-SR`+- `GS8631NH-TR`+- `GS8631NL-TR`+- `GS8631NH-CR`+- `GS8631NL-CR`++## CAD (KiCad official)++- Symbol: `GS8631-TR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Gainsil datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905367657467904) (19 pp, sha256 `c17e6fe6cae0310b`, 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/gs8631-tr-datasheet.pdf)
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