component
45N18
Public Made by Adomby adom
Shenzhen Fuman MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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45N18
Shenzhen Fuman · MOSFETs · SOP-8
45N18 from Shenzhen Fuman, in a SOP-8. 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 | S | passive | Source terminal of the N-channel MOSFET, connected internally to the other source pins (2, 3). |
| 2 | S | passive | Source terminal of the N-channel MOSFET, connected internally to the other source pins (1, 3). |
| 3 | S | passive | Source terminal of the N-channel MOSFET, connected internally to the other source pins (1, 2). |
| 4 | G | input | Gate terminal of the N-channel MOSFET with a maximum gate-source voltage of ±20 V. |
| 5 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (6, 7, 8), rated for 45 V drain-source voltage. |
| 6 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (5, 7, 8), rated for 45 V drain-source voltage. |
| 7 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (5, 6, 8), rated for 45 V drain-source voltage. |
| 8 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (5, 6, 7), rated for 45 V drain-source voltage. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Fuman |
| Package | SOP-8 |
| Category | Transistors |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
45N18 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
45n18-etched.step/45n18-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);45n18.step/45n18.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen Fuman datasheet (7 pp, sha256
c010f1d5105bb17d, retrieved 2026-10-27, 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).
# 45N18
**Shenzhen Fuman** · MOSFETs · SOP-8
45N18 from Shenzhen Fuman, in a SOP-8. 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 | S | passive | Source terminal of the N-channel MOSFET, connected internally to the other source pins (2, 3). |
| 2 | S | passive | Source terminal of the N-channel MOSFET, connected internally to the other source pins (1, 3). |
| 3 | S | passive | Source terminal of the N-channel MOSFET, connected internally to the other source pins (1, 2). |
| 4 | G | input | Gate terminal of the N-channel MOSFET with a maximum gate-source voltage of ±20 V. |
| 5 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (6, 7, 8), rated for 45 V drain-source voltage. |
| 6 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (5, 7, 8), rated for 45 V drain-source voltage. |
| 7 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (5, 6, 8), rated for 45 V drain-source voltage. |
| 8 | D | passive | Drain terminal of the MOSFET, connected to the other drain pins (5, 6, 7), rated for 45 V drain-source voltage. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Fuman |
| Package | SOP-8 |
| Category | Transistors |
| Pins | 8 |
## CAD (KiCad official)
- Symbol: `45N18`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `45n18-etched.step` / `45n18-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `45n18.step` / `45n18.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shenzhen Fuman datasheet](docs/45n18-datasheet.pdf) (7 pp, sha256 `c010f1d5105bb17d`, retrieved 2026-10-27, 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/45n18-datasheet.pdf)