component
MT8381AT
Public Made by Adomby adom
Magn Tek Hall Switches, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMT8381AT
Magn Tek · Hall Switches · SOT-23
MT8381AT from Magn Tek, 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 | VCC | power_in | Supply input for the device, operating from 3.8 V to 60 V, with -20 V reverse battery protection. |
| 2 | OUT | output | Open-collector latch Hall switch output with a built-in 10 kΩ pull-up resistor, rated up to 65 V and a continuous output current of 40 mA. |
| 3 | GND | power_in | Ground reference pin for the device. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Magn Tek |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage (operating) | VCC | 3.8 | 60 | V | Operating | 5 | |
| Supply current | ICC | 4 | 6 | mA | B<BRP | 5 | |
| Output saturation voltage | VDSON | 0.4 | V | IOUT=15mA, B>BOP | 5 | ||
| Output leakage current | IOFF | 10 | uA | VOUT=60V | 5 | ||
| Output rise time | TR | 1 | us | RL=1KOhm, CL=20pF | 5 | ||
| Output fall time | TF | 1 | us | RL=1KOhm, CL=20pF | 5 | ||
| Power-on time | TPO | 10 | us | dVcc/dt>5V/uS, B>BOP(MAX) | 5 | ||
| Operate point (MT8381 series) | BOP | 35 | 50 | 65 | Gs | TA =25℃ | 5 |
| Release point (MT8381 series) | BRP | -65 | -50 | -35 | Gs | TA =25℃ | 5 |
| Hysteresis (MT8381 series) | BHYST | 70 | 100 | 130 | Gs | TA =25℃ | 5 |
| Supply voltage (absolute maximum) | VCC | 65 | V | 4 | |||
| Reverse battery voltage | VRCC | -20 | V | 4 | |||
| Output voltage | VOUT | 65 | V | 4 | |||
| Continuous output current | IOUT | 40 | mA | 4 | |||
| Operating ambient temperature | TA | -40 | 150 | ℃ | 4 | ||
| Storage temperature | TS | -50 | 150 | ℃ | 4 | ||
| Junction temperature | TJ | 165 | ℃ | 4 | |||
| Thermal resistance, SOT-23 package | RTH | 301 | ℃/W | 5 |
CAD (KiCad official)
- Symbol:
MT8381AT - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
mt8381at-etched.step/mt8381at-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mt8381at.step/mt8381at.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Magn Tek datasheet (12 pp, sha256
1e4c438ccc6c8ae0, retrieved 2026-10-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).