component
PMSS3904
Public Made by Adomby adom
Nexperia Bipolar (BJT), SOT-323-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownPMSS3904
Nexperia · Bipolar (BJT) · SOT-323-3
PMSS3904 from Nexperia, in a SOT-323-3. 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 | base | input | Base terminal of the PMSS3904 NPN switching transistor, which drives the device between its switching states. |
| 2 | emitter | passive | Emitter terminal of the PMSS3904 NPN switching transistor, rated for a maximum collector current of 100 mA and a maximum collector-emitter voltage of 40 V. |
| 3 | collector | passive | Collector terminal of the PMSS3904 NPN switching transistor, rated for a maximum collector-base voltage of 60 V and a maximum DC collector current of 100 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOT-323-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| collector-base voltage (open emitter) | VCBO | 60 | V | open emitter | 3 | ||
| collector-emitter voltage (open base) | VCEO | 40 | V | open base | 3 | ||
| emitter-base voltage (open collector) | VEBO | 6 | V | open collector | 3 | ||
| collector current (DC) | IC | 100 | mA | 3 | |||
| peak collector current | ICM | 200 | mA | 3 | |||
| peak base current | IBM | 200 | mA | 3 | |||
| total power dissipation | Ptot | 200 | mW | Tamb ≤ 25 °C; note 1 | 3 | ||
| storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| junction temperature | Tj | 150 | °C | 3 | |||
| operating ambient temperature | Tamb | -65 | 150 | °C | 3 | ||
| collector cut-off current | ICBO | 50 | nA | IE = 0; VCB = 30 V | 4 | ||
| collector cut-off current | ICBO | 10 | μA | IE = 0; VCB = 30 V; Tj = 150 °C | 4 | ||
| emitter cut-off current | IEBO | 50 | nA | IC = 0; VEB = 5 V | 4 | ||
| DC current gain | hFE | 40 | VCE = 1 V; IC = 0.1 mA; see Fig.2 | 4 | |||
| DC current gain | hFE | 70 | VCE = 1 V; IC = 1 mA; see Fig.2 | 4 | |||
| DC current gain | hFE | 100 | 300 | VCE = 1 V; IC = 10 mA; see Fig.2 | 4 | ||
| DC current gain | hFE | 60 | VCE = 1 V; IC = 50 mA; note 1; see Fig.2 | 4 | |||
| DC current gain | hFE | 30 | VCE = 1 V; IC = 100 mA; note 1; see Fig.2 | 4 | |||
| collector-emitter saturation voltage | VCEsat | 200 | mV | IC = 10 mA; IB = 1 mA | 4 | ||
| collector-emitter saturation voltage | VCEsat | 300 | mV | IC = 50 mA; IB = 5 mA; note 1 | 4 | ||
| base-emitter saturation voltage | VBEsat | 650 | 850 | mV | IC = 10 mA; IB = 1 mA | 4 | |
| base-emitter saturation voltage | VBEsat | 950 | mV | IC = 50 mA; IB = 5 mA; note 1 | 4 | ||
| collector capacitance | Cc | 4 | pF | IE = ie = 0; VCB = 5 V; f = 1 MHz | 4 | ||
| emitter capacitance | Ce | 12 | pF | IC = ic = 0; VEB = 0.5 V; f = 1 MHz | 4 | ||
| transition frequency | fT | 180 | MHz | IC = 10 mA; VCE = 20 V; f = 100 MHz | 4 | ||
| noise figure | F | 5 | dB | IC = 100 μA; VCE = 5 V; RS = 1 kΩ; f = 10 Hz to 15.7 KHz | 4 | ||
| turn-on time | ton | 110 | ns | ICon = 10 mA; IBon = 1 mA; IBoff = −1 mA; VCC = 3 V; VBB = −1.9 V | 4 | ||
| delay time | td | 50 | ns | 4 | |||
| rise time | tr | 60 | ns | 4 | |||
| turn-off time | toff | 1200 | ns | 4 | |||
| storage time | ts | 1000 | ns | 4 | |||
| fall time | tf | 200 | ns | 4 | |||
| thermal resistance from junction to ambient | Rth j-a | 625 | K/W | note 1 (transistor mounted on FR4 printed-circuit board) | 4 |
CAD (KiCad official)
- Symbol:
PMSS3904 - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323-3 (KiCad packages3D, STEP)
- 3D model files:
pmss3904-etched.step/pmss3904-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pmss3904.step/pmss3904.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (8 pp, sha256
7f75c598110efcc8, retrieved 2026-10-16, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).