Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

CH424TB

COSEMITECH · Magnetic Sensors · TO-92S

CH424TB 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 3.3V to 30V (absolute maximum 40V, reverse voltage -40V).
2 GND power_in Ground pin.
3 OUT output Open collector output pin; output voltage -0.3V to 40V, max output current 25 mA, saturation voltage 0.4V max at 20 mA.

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 3.3 30 V -40 °C to 150 °C 5
Supply current IDD 3.5 8 mA VDD = 5V 5
Output saturation voltage VDSon 0.4 V at 20mA, Gauss >120 5
Output leakage current IOFF 10 uA B<-120GS 5
Output rise time TR 1.5 uS VDD =12V at 25 °C, CL= 20 pF 5
Output fall time TF 1.5 uS VDD =12V at 25 °C, CL= 20 pF 5
CH424 Magnetic operating point BOP 5 30 55 Gauss TA=25oC 5
CH424 Magnetic release point BRP -55 -30 -5 Gauss TA=25oC 5
CH424 Magnetic hysteresis window BHYST 40 60 80 Gauss TA=25oC /BOP-BRP/ 5
Operating temperature T -40 150 °C 5
Storage temperature TS -40 150 °C 5
Thermal resistance TO-92S RTH 203 °C/W CH424T/CH424NT 5
Maximum switching frequency FSW 100 KHz 5
Supply voltage VDD 40 V 3
VDD reverse voltage VRDD -40 V 3
Supply current IDD 20 mA 3
Output voltage VOUT -0.3 40 V 3
Output current IOUT 25 mA 3
Operating ambient temperature TA -40 150 °C 3
Storage temperature TS -50 150 °C 3
Junction temperature TJ -50 165 °C 3

CAD (KiCad official)

  • Symbol: CH424TB
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92S (KiCad packages3D, STEP)
  • 3D model files: ch424tb-etched.step / ch424tb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ch424tb.step / ch424tb.glb are the bare package body.

Provenance

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

  • Datasheet: COSEMITECH datasheet (10 pp, sha256 54f146c944288e6b, retrieved 2026-10-31, 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