component
CMSN1012H3-HF
Public Made by Adomby adom
Comchip MOSFETs, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CMSN1012H3-HF
Comchip · MOSFETs · SOT-523
CMSN1012H3-HF from Comchip, in a SOT-523. 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 | G | input | Gate; gate-source voltage limit is ±8 V with VGS(th) 0.5 to 1.2 V at ID=250 µA. |
| 2 | S | passive | Source; continuous drain current is 560 mA at TA=25 °C and VGS=4.5 V. |
| 3 | D | passive | Drain; drain-source voltage is rated 20 V, with pulsed drain current of 2.5 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Comchip |
| Package | SOT-523 |
| Category | Transistors/Thyristors |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | 20 | V | 1 | |||
| Gate-Source Voltage | VGS | -8 | 8 | V | 1 | ||
| Continuous Drain Current | ID | 560 | mA | TA=25°C, VGS=4.5V (Note 3) | 1 | ||
| Continuous Drain Current | ID | 400 | mA | TA=85°C, VGS=4.5V (Note 3) | 1 | ||
| Pulsed Drain Current | IDM | 2.5 | A | Notes 1, 2 | 1 | ||
| Maximum Power Dissipation | PD | 150 | mW | TA=25°C (Note 3) | 1 | ||
| Maximum Power Dissipation | PD | 80 | mW | TA=85°C (Note 3) | 1 | ||
| ESD susceptibility | 2000 | V | Human body model, 1.5kΩ in series with 100pF (Note 4) | 1 | |||
| Operating Junction and Storage Temperature | Tj, Tstg | -55 | 150 | °C | 1 | ||
| Drain-Source Breakdown Voltage | BVDSS | 20 | V | VGS =0, ID =250μA | 2 | ||
| Gate Threshold Voltage | VGS(th) | 0.5 | 0.92 | 1.2 | V | VDS =VGS, ID=250μA | 2 |
| Gate-Body Leakage Current | IGSS | -10 | 10 | μA | VGS = ±8V, VDS =0 | 2 | |
| Zero Gate Voltage Drain Current | IDSS | 1 | μA | VDS =20V, VGS=0 | 2 | ||
| Zero Gate Voltage Drain Current (Tj=70°C) | IDSS | 10 | μA | VDS =16V, VGS =0 (Tj=70°C) | 2 | ||
| Static Drain-Source On-Resistance | *RDS(ON) | 320 | 450 | mΩ | VGS =4.5V, ID =600mA | 2 | |
| Static Drain-Source On-Resistance | *RDS(ON) | 510 | 700 | mΩ | VGS =2.5V, ID =500mA | 2 | |
| Static Drain-Source On-Resistance | *RDS(ON) | 980 | 1200 | mΩ | VGS =1.8V, ID =350mA | 2 | |
| Diode Forward Voltage | *VSD | 0.8 | 1.2 | V | VGS =0V, IS=150mA | 2 | |
| Thermal Resistance, Junction-to-Ambient (PCB mounted) | Rth,ja | 833 | °C/W | PCB mounted | 2 |
CAD (KiCad official)
- Symbol:
CMSN1012H3-HF - Footprint:
Package_TO_SOT_SMD:SOT-523 - 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
cmsn1012h3-hf-etched.step/cmsn1012h3-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cmsn1012h3-hf.step/cmsn1012h3-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (7 pp, sha256
1ccbad5e2dbe9f0a, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).
# CMSN1012H3-HF
**Comchip** · MOSFETs · SOT-523
CMSN1012H3-HF from Comchip, in a SOT-523. 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 | G | input | Gate; gate-source voltage limit is ±8 V with VGS(th) 0.5 to 1.2 V at ID=250 µA. |
| 2 | S | passive | Source; continuous drain current is 560 mA at TA=25 °C and VGS=4.5 V. |
| 3 | D | passive | Drain; drain-source voltage is rated 20 V, with pulsed drain current of 2.5 A. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Comchip |
| Package | SOT-523 |
| Category | Transistors/Thyristors |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | | | 20 | V | | 1 |
| Gate-Source Voltage | VGS | -8 | | 8 | V | | 1 |
| Continuous Drain Current | ID | | | 560 | mA | TA=25°C, VGS=4.5V (Note 3) | 1 |
| Continuous Drain Current | ID | | | 400 | mA | TA=85°C, VGS=4.5V (Note 3) | 1 |
| Pulsed Drain Current | IDM | | | 2.5 | A | Notes 1, 2 | 1 |
| Maximum Power Dissipation | PD | | | 150 | mW | TA=25°C (Note 3) | 1 |
| Maximum Power Dissipation | PD | | | 80 | mW | TA=85°C (Note 3) | 1 |
| ESD susceptibility | | | | 2000 | V | Human body model, 1.5kΩ in series with 100pF (Note 4) | 1 |
| Operating Junction and Storage Temperature | Tj, Tstg | -55 | | 150 | °C | | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 20 | | | V | VGS =0, ID =250μA | 2 |
| Gate Threshold Voltage | VGS(th) | 0.5 | 0.92 | 1.2 | V | VDS =VGS, ID=250μA | 2 |
| Gate-Body Leakage Current | IGSS | -10 | | 10 | μA | VGS = ±8V, VDS =0 | 2 |
| Zero Gate Voltage Drain Current | IDSS | | | 1 | μA | VDS =20V, VGS=0 | 2 |
| Zero Gate Voltage Drain Current (Tj=70°C) | IDSS | | | 10 | μA | VDS =16V, VGS =0 (Tj=70°C) | 2 |
| Static Drain-Source On-Resistance | *RDS(ON) | | 320 | 450 | mΩ | VGS =4.5V, ID =600mA | 2 |
| Static Drain-Source On-Resistance | *RDS(ON) | | 510 | 700 | mΩ | VGS =2.5V, ID =500mA | 2 |
| Static Drain-Source On-Resistance | *RDS(ON) | | 980 | 1200 | mΩ | VGS =1.8V, ID =350mA | 2 |
| Diode Forward Voltage | *VSD | | 0.8 | 1.2 | V | VGS =0V, IS=150mA | 2 |
| Thermal Resistance, Junction-to-Ambient (PCB mounted) | Rth,ja | | | 833 | °C/W | PCB mounted | 2 |
## CAD (KiCad official)
- Symbol: `CMSN1012H3-HF`
- Footprint: `Package_TO_SOT_SMD:SOT-523`
- 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files: `cmsn1012h3-hf-etched.step` / `cmsn1012h3-hf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmsn1012h3-hf.step` / `cmsn1012h3-hf.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Comchip datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590420740077228032) (7 pp, sha256 `1ccbad5e2dbe9f0a`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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](docs/cmsn1012h3-hf-datasheet.pdf)