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KTM1301TA-ST3

Public Made by Adom

by adom

CONNTEK Linear Hall Sensors, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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KTM1301TA-ST3

CONNTEK · Linear Hall Sensors · SOT-23-3L

KTM1301TA-ST3 from CONNTEK, in a SOT-23-3L. 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 VDD power_in Power supply input; the chip operates from 1.8 V to 5.5 V, and a 100 nF capacitor should be placed between VDD and ground as close to the VDD pin as possible to filter supply noise.
2 OUTPUT output CMOS push-pull output that goes low when the magnetic field exceeds the operating point BOP and goes high when the field falls below the release point BRP, with an output drive current of 5 mA maximum.
3 GND power_in Ground pin; the datasheet's application note connects the 100 nF VDD decoupling capacitor between the supply and this ground.

Key specifications

Parameter Value
Manufacturer CONNTEK
Package SOT-23-3L
Category Magnetic Sensors
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 low voltage VOL 0.008 0.05 V IOUT = 1mA 11
Supply voltage VDD 1.8 5.5 V Operating 11
Magnetic operating point (south pole) BOPS 40 45 50 Gauss TA = +25°C, VDD = 3.0V 12
Magnetic release point (south pole) BRPS 31 36 41 Gauss TA = +25°C, VDD = 3.0V 12
Magnetic operating point (north pole) BOPN -50 -45 -40 Gauss TA = +25°C, VDD = 3.0V 12
Magnetic release point (north pole) BRPN -41 -36 -31 Gauss TA = +25°C, VDD = 3.0V 12
Supply voltage range VDD 1.8 5.5 V Chip operating 11
Operating temperature range TA -40 125 °C Chip operating 11
Supply voltage VDD 6 V TA = +25°C (table header) 11
Reverse supply voltage VDD_REV -0.3 V TA = +25°C (table header); printed as a single Value 11
Output drive current IOUTPUT 5 mA TA = +25°C (table header) 11
Maximum magnetic field B 3000 Gauss <5min 11
Storage temperature range TSTG -50 150 °C TA = +25°C (table header) 11
Maximum junction temperature TJ 150 °C TA = +25°C (table header) 11
Maximum soldering temperature Tsoldering 260 °C TA = +25°C (table header) 11
HBM ESD capability ESD 8000 V HBM 11

CAD (KiCad official)

  • Symbol: KTM1301TA-ST3
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: ktm1301ta-st3-etched.step / ktm1301ta-st3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ktm1301ta-st3.step / ktm1301ta-st3.glb are the bare package body.

Provenance

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

  • Datasheet: CONNTEK datasheet (20 pp, sha256 e97a516eb793ebf7, 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