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AH3777-SA-7

Public Made by Adom

by adom

Diodes Incorporated Hall Sensor, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AH3777-SA-7

Diodes Incorporated · Hall Sensor · SOT-23

AH3777-SA-7 from Diodes Incorporated, 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 VDD power_in Supply input operating from 3.0V to 28V, with a 32V absolute maximum transient rating and a reverse blocking diode with Zener clamp on the supply.
2 GND power_in Ground reference for the device, with a reverse supply current limit of -18V to -28V stated for reverse battery conditions.
3 OUTPUT output Single open-drain output that pulls low when B exceeds BOP and is rated for 32V off-state voltage and 60mA continuous current, limited to 30-55mA by the overcurrent limit.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
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
Output On Voltage VOUT_ON 0.2 0.4 V IOUT = 20mA, B > Bop 3
Output Leakage Current IOUT_OFF 10 µA VOUT = 28V, B < Brp, Output off; typ printed as <0.1 3
Supply Current IDD 3 3.5 mA Output open, TA = 25°C 3
Supply Current over temperature IDD 4 mA Output open, TA = -40°C to +125°C 3
Reverse Battery Current IDD_R -0.01 1 mA VDD = -18V, TA = -40°C to +125°C 3
Reverse Battery Current IDD_R -0.01 1.5 mA VDD = -28V, TA = -40°C to +125°C 3
Output Rising Time tr 0.2 1 µs RL = 1kΩ, CL = 20pF 3
Output Falling Time tf 0.1 1 µs RL = 1kΩ, CL = 20pF 3
Output Current Limit IOCL 30 55 mA B > Bop, (Note 10) 3
Zener Clamp Voltage VZ 28 V IDD = 5mA 3
Operation Point Bop Bop 110 140 170 Gauss TA = -40°C to +125°C 4
Release Point Brp Brp -170 -140 -110 Gauss TA = -40°C to +125°C 4
Hysteresis Bhy Bhy 220 280 340 Gauss TA = -40°C to +125°C 4
Supply Voltage VDD 3 28 V Operating 3
Operating Temperature Range TA -40 125 °C Operating 3
Supply Voltage VDD 32 V Note 6, transient stress rating 3
Reverse Supply Voltage VDDR -32 V 3
Output Off Voltage VOUT_MAX 32 V Note 6 3
Continuous Output Current IOUT 60 mA 3
Reverse Output Current IOUT_R -50 mA 3
Package Power Dissipation PD 230 mW SOT23, derate per thermal curve, TA = 25°C 3
Storage Temperature Range Ts -65 165 °C 3
Maximum Junction Temperature TJ 150 °C 3
ESD Human Body Model ESD 6 kV Human Body Model 3

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing Abs ESD Electrostatic Discharge Withstand Capability - Human Body Model 6 kV Notes: 5. Stresses greater than the 'Absolute Maximum Ratings' specified above may cause permanent damage to the device. These 3

CAD (KiCad official)

  • Symbol: AH3777-SA-7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ah3777-sa-7-etched.step / ah3777-sa-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ah3777-sa-7.step / ah3777-sa-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (13 pp, sha256 1818d26ccad4e7ed, retrieved 2026-10-28, tier: manufacturer)
  • 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