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RS3112-3.3XSF3

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Jiangsu RUNIC Tech Voltage References, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RS3112-3.3XSF3

Jiangsu RUNIC Tech · Voltage References · SOT-23

RS3112-3.3XSF3 from Jiangsu RUNIC Tech, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Input supply voltage; the datasheet recommends VIN from VOUT+0.3 V to 5 V, with an absolute maximum of 5.5 V.
2 OUT output Reference output voltage, which must be decoupled with a minimum 1 µF capacitor to GND and is rated for load currents of ±10 mA.
3 GND power_in Ground; all voltages are referenced to the GND pin.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package SOT-23
Category Power Management ICs
Pins 3

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage VOUT 3.3 V 7
Initial Accuracy -0.1 0.1 % All voltage options 7
Output Voltage Temperature Drift dVOUT/dT 4 20 ppm/°C TA = -40°C to +125°C 7
Line Regulation 40 65 ppm/V VIN = (VOUT + 0.3) to 5.5 V 7
Line Regulation over temperature 150 ppm/V VIN = (VOUT + 0.3) to 5.5 V, TA = -40°C to +125°C 7
Load Regulation dVOUT/dILOAD 3 10 ppm/mA -10 mA < ILOAD < 10 mA, VIN = VOUT + 0.3 V (3) 7
Load Regulation over temperature dVOUT/dILOAD 30 ppm/mA -10 mA < ILOAD < 10 mA, VIN = VOUT + 0.3 V, TA = -40°C to 125°C (3) 7
Thermal Hysteresis dT 100 ppm First Cycle 7
Long-Term Stability 100 ppm 0 to 1000 hours 7
Output Voltage Noise 35 μVPP/V f = 0.1Hz to 10Hz 7
Short-Circuit Current Sourcing ISC 30 mA Sourcing 7
Short-Circuit Current Sinking ISC 25 mA Sinking 7
Turn on Settling Time 200 μs To 0.1% with CL = 1μF 7
Capacitive Load CL 1 50 μF 7
Supply Voltage VIN 5.5 V ILOAD = 0, TA = -40°C to +125°C 7
Quiescent Current IQ 150 180 μA ILOAD = 0, TA = 25°C 7
Quiescent Current over temperature IQ 220 μA ILOAD = 0, TA = -40°C to +125°C 7
Supply voltage (absolute maximum) VIN -0.2 5.5 V 6
Output short circuit -30 30 mA 6
Operating temperature TA -40 125 °C 6
Junction temperature TJ -40 150 °C 6
Storage temperature Tstg -65 150 °C 6
Package thermal impedance SOT23 θJA 292.9 °C/W SOT23 package 6
Input voltage VIN 5 V 6
Load current ILoad -10 10 mA 6

CAD (KiCad official)

  • Symbol: RS3112-3.3XSF3
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: rs3112-3-3xsf3-etched.step / rs3112-3-3xsf3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs3112-3-3xsf3.step / rs3112-3-3xsf3.glb are the bare package body.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (18 pp, sha256 fac1883cc990e756, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF