RS621PXF

@@ -0,0 +1,53 @@+# RS621PXF++**Jiangsu RUNIC Tech** · Operational Amplifier · SOT-23-5++RS621PXF from Jiangsu RUNIC Tech, 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 swing (within ~40 mV of rails with RL=2 kΩ, ~7 mV with RL=10 kΩ). Short-circuit current typically 50 mA. |+| 2 | V- | power_in | Negative supply rail. Tie to GND for single-supply operation or to the negative rail for dual-supply operation. Total supply (V+ to V-) must be 2.5 V to 5.5 V (7.0 V absolute max). |+| 3 | +IN | input | Non-inverting input. Rail-to-rail common-mode range from -0.1 V to +5.6 V with Vs=5.5 V. Input bias current typically 1 pA (10 pA max at 25°C). |+| 4 | -IN | input | Inverting input. Rail-to-rail common-mode range from -0.1 V to +5.6 V with Vs=5.5 V. Input bias current typically 1 pA (10 pA max at 25°C). Input terminals are diode-clamped to the supplies; limit fault current to ≤10 mA. |+| 5 | V+ | power_in | Positive supply rail. Operating range 2.5 V to 5.5 V referenced to V- (7.0 V absolute max). Decouple with a 0.1 uF capacitor placed close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Jiangsu RUNIC Tech |+| Package | SOT-23-5 |+| Category | Op-amp/Cmp |+| Pins | 5 |++## Ordering variants++- `RS621PXF`+- `RS621PXFRS621BPXF`+- `RS621PXFRS621PXK`+- `RS621PXFRS621PXM`+- `RS621PXFRS622PXK`+- `RS621PXFRS622PXM`+- `RS621PXFRS622PXT`+- `RS621PXFRS622PXQ`+- `RS621PXFRS624PXP`+- `RS621PXFRS624PXQ`++## CAD (KiCad official)++- Symbol: `RS621PXF`+- 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:** [Jiangsu RUNIC Tech datasheet](docs/rs621pxf-datasheet.pdf) (14 pp, sha256 `cad15b6d4c5f5e33`, 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/rs621pxf-datasheet.pdf)

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