component
MMBFJ270
Public Made by Adomby adom
onsemi JFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MMBFJ270
onsemi · JFETs · SOT-23
MMBFJ270 from onsemi, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | G | input | Gate terminal with maximum gate-source voltage of ±30V and gate reverse leakage current not exceeding 200 pA at 20V. |
| 2 | S | passive | Source terminal, common reference point with maximum gate-source voltage of ±30V. |
| 3 | D | passive | Drain terminal with maximum drain-gate voltage of -30V and zero-gate-voltage drain current of -2.0 to -15 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
MMBFJ270 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
mmbfj270-etched.step/mmbfj270-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmbfj270.step/mmbfj270.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (7 pp, sha256
ea787f7574981c10, retrieved 2026-09-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).
# MMBFJ270
**onsemi** · JFETs · SOT-23
MMBFJ270 from onsemi, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | G | input | Gate terminal with maximum gate-source voltage of ±30V and gate reverse leakage current not exceeding 200 pA at 20V. |
| 2 | S | passive | Source terminal, common reference point with maximum gate-source voltage of ±30V. |
| 3 | D | passive | Drain terminal with maximum drain-gate voltage of -30V and zero-gate-voltage drain current of -2.0 to -15 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |
## CAD (KiCad official)
- Symbol: `MMBFJ270`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `mmbfj270-etched.step` / `mmbfj270-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmbfj270.step` / `mmbfj270.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884488226525184) (7 pp, sha256 `ea787f7574981c10`, retrieved 2026-09-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/mmbfj270-datasheet.pdf)