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Contents

README

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CH605ATB

COSEMITECH · Magnetic Sensors · TO-92S

CH605ATB from COSEMITECH, in a TO-92S. 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 Supply voltage pin, operating range 3.0 V to 15 V (absolute maximum 18 V).
2 GND power_in Ground pin.
3 OUT output Ratiometric linear output with quiescent voltage at 50% of supply, sinking or sourcing typically 1.5 mA continuous (absolute maximum 5 mA, -0.3 V to 18 V).

Key specifications

Parameter Value
Manufacturer COSEMITECH
Package TO-92S
Category 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
Supply voltage VDD 3 5 15 V -40 °C to 150 °C 5
Supply current IDD 4 8 mA B=0 5
Quiescent voltage VNULL 2.42 2.58 V B=0 at 25 °C 5
Linearity LIN -5 5 % 5
Delta Vnull as temperature VNULL(T) -5 5 % 5
Ratiometry, Vnull VNULL(V) -5 5 % 5
Delta Sens as temperature SENS(T) -10 10 % 5
Output voltage high VH 0.4 V B=+1000 Gs 5
Output voltage low VL 4.7 V B=-1000 Gs 5
Sink current ISINK -0.8 mA VDD=3V TA=25oC 5
Sink current ISINK -1 mA VDD=5V TA=25oC 5
Source current ISOURCE 1.5 mA VDD=3V TA=25oC 5
Source current ISOURCE 2 mA VDD=5V TA=25oC 5
Output referred noise (CH605) VN 4.2 mV(p-p) TA = 25°C, CL = 0.1 μF 5
Sensitivity (CH605) SENS 5 mV/Gs TA=25oC 5
Magnetic range (CH605) positive B+ 440 Gauss TA=25oC 5
Magnetic range (CH605) negative B- -440 Gauss TA=25oC 5
Supply voltage VDD 18 V 3
VDD reverse voltage VRDD -0.3 V 3
Output voltage VOUT -0.3 18 V 3
Output current IOUT 5 mA 3
Operating ambient temperature TA -40 150 °C 3
Storage temperature TS -50 150 °C 3
Junction temperature TJ -50 165 °C 3
ESD HBM -6000 6000 V All pins, 100pF, 1.5 kohm 4
ESD MM -400 400 V All pins, C=200pF, R=0Ω 4
ESD CDM -1500 1500 V All pins 4

CAD (KiCad official)

  • Symbol: CH605ATB
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92S (KiCad packages3D, STEP)
  • 3D model files: ch605atb-etched.step / ch605atb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ch605atb.step / ch605atb.glb are the bare package body.

Provenance

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

  • Datasheet: COSEMITECH datasheet (9 pp, sha256 09dd7920174583b6, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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