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RS2257XH

Public Made by Adom

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Jiangsu RUNIC Tech Analog Switches, Multiplexers, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RS2257XH

Jiangsu RUNIC Tech · Analog Switches, Multiplexers · SOT-23-6

RS2257XH from Jiangsu RUNIC Tech, in a SOT-23-6. 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 NO passive Normally-open analog switch terminal, which is connected to COM when IN is logic 1 and is open when IN is logic 0, with analog signal range 0 to V+.
2 GND power_in Ground reference pin for the device.
3 NC unconnected Normally-closed analog switch terminal, which is connected to COM when IN is logic 0 and is open when IN is logic 1, with analog signal range 0 to V+.
4 COM passive Common analog terminal that switches to NO or NC, with signal range 0 to V+ and absolute maximum continuous current of ±500 mA (peak ±800 mA).
5 V+ power_in Power supply input, with recommended supply voltage 1.8 V to 5.5 V and absolute maximum of 6 V.
6 IN input Digital control input for switch selection, TTL/CMOS compatible, with VINH of 1.5 V (min) and VINL of 0.6 V (max) at 5 V, and input voltage limit of (V+)+0.3 V.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package SOT-23-6
Category Interface
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage (absolute maximum) V+ -0.3 6 V 2
Continuous Current NO, NC, or COM (absolute maximum) IIN -500 500 mA 2
Peak Current NO, NC, or COM (absolute maximum) IPEAK -800 800 mA 2
Junction Temperature (absolute maximum) TJ 150 °C 2
Storage temperature (absolute maximum) Tstg -65 150 °C 2
Electrostatic discharge, Human-body model (ESD) V(ESD) -1000 1000 V HBM; printed as ±1000 V 2
Electrostatic discharge, Machine Model (ESD) V(ESD) -100 100 V MM; printed as ±100 V 2
Input Voltage (All inputs), lower limit VIN -0.3 V 2
Supply Voltage (recommended) VCC 1.8 5.5 V 2
Operating temperature (recommended) TA -40 125 °C 2
Junction-to-ambient thermal resistance (SOT23-6) RϴJA 200 °C/W SOT23-6 column 2
On-Resistance RON 0.6 1 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 5V, TA = +25℃ 4
On-Resistance RON 1.2 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 5V, TA = FULL 4
On-Resistance RON 1 1.5 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 3.3V, TA = +25℃ 4
On-Resistance RON 1.7 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 3.3V, TA = FULL 4
On-Resistance Match Between Channels ΔRON 0.04 0.1 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 5V, TA = +25℃ 4
On-Resistance Match Between Channels ΔRON 0.12 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 5V, TA = FULL 4
On-Resistance Flatness RFLAT(ON) 0.18 0.3 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 5V, TA = +25℃ 4
On-Resistance Flatness RFLAT(ON) 0.4 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 5V, TA = FULL 4
On-Resistance Flatness RFLAT(ON) 0.54 0.7 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 3.3V, TA = +25℃ 4
On-Resistance Flatness RFLAT(ON) 0.8 Ω 0 ≤ (VNO or VNC) ≤ V+, ICOM = -10mA, Switch ON; V+ = 3.3V, TA = FULL 4
NC, NO OFF Leakage Current INC(OFF), INO(OFF) 1 μA VNO or VNC = 0.3V, V+/2 VCOM = V+/2, 0.3V; V+ = 1.8 to 5.5V, TA = FULL 4
NC, NO, COM ON Leakage Current INC(ON), INO(ON), ICOM(ON) 1 μA VNO or VNC = 0.3V, VCOM = Open, 0.3V; V+ = 1.8 to 5.5V, TA = FULL 4
Input High Voltage VINH 1.5 V V+ = 5V, TA = FULL 4
Input High Voltage VINH 1.3 V V+ = 3.3V, TA = FULL 4
Input Low Voltage VINL 0.6 V V+ = 5V, TA = FULL 4
Input Low Voltage VINL 0.5 V V+ = 3.3V, TA = FULL 4
Input Leakage Current IIN 1 μA VIN = VIO or 0; V+ = 1.8 to 5.5V, TA = FULL 4
Power Supply Range V+ 1.8 5.5 V TA = FULL 5
Power Supply Current I+ 1 μA VIN = GND or V+; V+ = 5.5V, TA = FULL 5
Turn-On Time tON 50 ns VCOM = V+, RL = 300Ω, CL = 35pF, See Figure 5; V+ = 5V, TA = +25℃ 5
Turn-Off Time tOFF 15 ns VCOM = V+, RL = 300Ω, CL = 35pF, See Figure 5; V+ = 5V, TA = +25℃ 5
Turn-Off Time tOFF 17 ns VCOM = V+, RL = 300Ω, CL = 35pF, See Figure 5; V+ = 3.3V, TA = +25℃ 5
Break-Before-Make Time Delay tBBM 10 ns VNO1 = VNC1 = VNO2 = VNC2 = 3V, RL = 300Ω, CL = 35pF, See Figure 6; V+ = 5V, TA = +25℃ 5
Break-Before-Make Time Delay tBBM 11 ns VNO1 = VNC1 = VNO2 = VNC2 = 3V, RL = 300Ω, CL = 35pF, See Figure 6; V+ = 3.3V, TA = +25℃ 5
Off Isolation OISO -68 dB RL = 50Ω, Switch OFF, See Figure 8; f = 100KHz, TA = +25℃ 5
Off Isolation OISO -86 dB RL = 50Ω, Switch OFF, See Figure 8; f = 10KHz, TA = +25℃ 5
-3dB Bandwidth BW 30 MHz Switch ON, RL = 50Ω, See Figure 7; TA = +25℃ 5
NC, NO OFF Capacitance CNC(OFF), CNO(OFF) 80 pF VNC or VNO = V+/2 or GND, Switch OFF, See Figure 4; TA = +25℃ 5
NC, NO, COM ON Capacitance CNC(ON), CNO(ON), CCOM(ON) 350 pF VNC or VNO = V+/2 or GND, Switch ON, See Figure 4; TA = +25℃ 5

CAD (KiCad official)

  • Symbol: RS2257XH
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: rs2257xh-etched.step / rs2257xh-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs2257xh.step / rs2257xh.glb are the bare package body.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (12 pp, sha256 1619cdc96e83f090, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), 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