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RS621PXF

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Jiangsu RUNIC Tech Operational Amplifier, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs rs621pxf: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers rs621pxf: viewers · Ray 2mo ago
package.json Publish 0.1.0 · Ray 2mo ago
page.json rs621pxf: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… · Ray 12d ago
README.md rs621pxf: specified limits as data (metadata.characteristics, 22 rows from the datasheet) · Ray 20d ago
rs621pxf-etched.fit.json rs621pxf: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
rs621pxf-etched.glb rs621pxf: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… · Ray 12d ago
rs621pxf-etched.step rs621pxf: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… · Ray 12d ago
rs621pxf.glb Publish 0.1.0 · Ray 2mo ago
rs621pxf.kicad_mod Publish 0.1.0 · Ray 2mo ago
rs621pxf.kicad_sym Publish 0.1.0 · Ray 2mo ago
rs621pxf.lbr Publish 0.1.0 · Ray 2mo ago
rs621pxf.step Publish 0.1.0 · Ray 2mo ago

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

Same part, different packaging or reel option.

  • RS621PXF
  • RS621BPXF
  • RS621PXK
  • RS621PXM
  • RS622PXK
  • RS622PXM
  • RS622PXT
  • RS622PXQ
  • RS624PXP
  • RS624PXQ

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Voltage Range (Vs) Vs 2.5 5.5 V 25°C 3
Quiescent Current per Amplifier IQ 600 800 uA 25°C 3
Input Offset Voltage Vos -0.5 0.1 0.5 mV Vcm=Vs/2, 25°C 3
Input Offset Voltage Drift Vos TC 2 uV/°C -40°C to 125°C 3
Input Bias Current IB 1 10 pA 25°C 3
Input Offset Current Ios 1 10 pA 25°C 3
Common-Mode Voltage Range Vcm -0.1 5.6 V Vs=5.5V, 25°C 3
Supply Voltage, V+ to V- 7 V 2
Input Terminals Voltage -0.5 V Referenced to (V+)+0.5V upper limit, footnote (2) 2
Input Terminals Current -10 10 mA 2
Storage Temperature -65 150 °C 2
Operating Temperature -40 125 °C 2
Junction Temperature 150 °C 2
Output Short-Circuit Current Iout 50 mA 25°C 3
Slew Rate SR 3.7 V/us 25°C 3
Gain-Bandwidth Product GBP 7 MHz 25°C 3
Phase Margin Φm 64 ° 25°C 3
Settling Time ts 0.5 us 0.1% 3
Overload Recovery Time 0.5 us VIN • Gain ≥ Vs 3
Input-Referred Voltage Noise at 1 kHz en 11 nV/√Hz f = 1 kHz, 25°C 3
Input-Referred Voltage Noise at 10 kHz en 7.5 nV/√Hz f = 10 kHz, 25°C 3
Package Thermal Resistance SOT23-5 200 °C/W @ TA = +25°C 2

CAD (KiCad official)

  • Symbol: RS621PXF
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: rs621pxf-etched.step / rs621pxf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs621pxf.step / rs621pxf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Jiangsu RUNIC Tech datasheet (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