MMBTA28-7-F

@@ -0,0 +1,45 @@+# MMBTA28-7-F++**Diodes Incorporated** · Darlington Transistors · SOT-23++MMBTA28-7-F from Diodes Incorporated, 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 | B | input | Base of the NPN Darlington pair. Base-emitter turn-on voltage VBE(on) ≤ 2.0 V at IC = 100 mA, VCE = 5 V; emitter-base breakdown BVEBO ≥ 12 V. |+| 2 | E | output | Emitter of the NPN Darlington pair. Emitter-base breakdown BVEBO ≥ 12 V; sinks the composite collector-emitter current up to 500 mA continuous. |+| 3 | C | passive | Collector of the NPN Darlington pair. Rated BVCES ≥ 80 V and BVCBO ≥ 80 V; continuous collector current IC = 500 mA; VCE(sat) ≤ 1.5 V at IC = 100 mA, IB = 100 µA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOT-23 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `MMBTA28-7-F`+- `MMBTA28-13-F`++## CAD (KiCad official)++- Symbol: `MMBTA28-7-F`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586188606679891968) (6 pp, sha256 `d1f6cfb8d400fe5c`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/mmbta28-7-f-datasheet.pdf)

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