BSS84 P-Channel MOSFET

@@ -0,0 +1,46 @@+# BSS84++**Diodes Incorporated** · MOSFET · SOT-23++The BSS84 is a P-channel enhancement-mode MOSFET rated for -50 V and about -130 mA in a SOT-23 package. It is used for high-side load switching, reverse-polarity protection, and level shifting, and is the P-channel complement of the N-channel BSS138.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | G | input | Gate. Enhancement-mode P-channel control terminal. VGS(TH) between -0.8V and -2.0V; drive to -5V or more negative (up to ±20V max VGSS) to fully enhance the channel. |+| 2 | S | passive | Source. Reference terminal for VGS. Body diode anode connects internally to source (P-channel body diode from drain to source). |+| 3 | D | passive | Drain. Switched terminal. -50V max VDSS; -130mA continuous ID, -1.2A pulsed IDM. RDS(ON) typ 3.2Ω / 10Ω max at VGS=-5V, ID=-100mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | P-channel enhancement MOSFET |+| Drain-source voltage (VDS) | -50 V |+| Continuous drain current (ID) | -130 mA |+| On-resistance (RDS(on)) | 10 ohm max at VGS = -10 V |+| Gate threshold voltage | -0.8 V to -3 V |+| Power dissipation | 360 mW |+| Operating temperature | -55 C to 150 C |++## Ordering variants++- `BSS84-7-F`+- `BSS84-13-F`++## CAD (KiCad official)++- Symbol: `bss84.kicad_sym`+- Footprint: `bss84.kicad_mod`+- 3D model: SOT-23 body from KiCad `Package_TO_SOT_SMD/SOT-23`.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/BSS84.pdf) (6 pp, sha256 `a4e89efffb9e0283`, retrieved 2026-08-17, tier: manufacturer)+- **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/bss84-datasheet.pdf)

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