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GS8551-TR
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Gainsil Precision OpAmps, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# GS8551-TR++**Gainsil** · Precision OpAmps · SOT-23-5++GS8551-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 | Amplifier output. Rail-to-rail output swings within ~5mV of the supply rails under light loads (>100kΩ) and within ~60mV under 10kΩ loads. Short-circuit limited to ~60mA. |+| 2 | VSS | power_in | Negative supply / ground. Connect to GND for single-supply operation (1.8V to 5.5V), or to the negative rail for dual-supply operation (±0.9V to ±2.75V). Bypass with a 0.1µF ceramic capacitor to ground in dual-supply mode. |+| 3 | IN+ | input | Non-inverting amplifier input. Rail-to-rail common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). Input bias current is 20pA typical; absolute input voltage must remain between VSS-0.5V and VDD+0.5V. |+| 4 | IN- | input | Inverting amplifier input. Rail-to-rail common-mode range extends 100mV beyond the supply rails. Input bias current is 20pA typical; absolute input voltage must remain between VSS-0.5V and VDD+0.5V. |+| 5 | VDD | power_in | Positive supply. 1.8V to 5.5V single-supply, or up to +2.75V in dual-supply operation. Absolute max VDD-to-VSS is 7.5V. Bypass with a 0.1µF ceramic capacitor close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Gainsil |+| Package | SOT-23-5 |+| Category | Op-amp/Cmp |+| Pins | 5 |++## Ordering variants++- `GS8551-TR`+- `GS8551-TRGS8551-SR`++## CAD (KiCad official)++- Symbol: `GS8551-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](docs/gs8551-tr-datasheet.pdf) (14 pp, sha256 `dc9b0f2b6cedff03`, 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/gs8551-tr-datasheet.pdf)
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