component
PMST3904-HXY
Public Made by Adomby adom
HXY MOSFET Bipolar (BJT), SOT-323. 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
markdownPMST3904-HXY
HXY MOSFET · Bipolar (BJT) · SOT-323
PMST3904-HXY from HXY MOSFET, in a SOT-323. 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 | B | input | Base of the NPN transistor; VEBO max 5 V, with IB limits given in the test conditions (e.g. IB=1 mA at IC=10 mA). |
| 2 | E | passive | Emitter of the NPN transistor; VEBO max 5 V relative to base. |
| 3 | C | passive | Collector of the NPN transistor; VCEO 40 V, VCBO 60 V, continuous IC 200 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | SOT-323 |
| 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 | VCBO | 60 | V | 1 | |||
| Collector-emitter voltage | VCEO | 40 | V | 1 | |||
| Emitter-base voltage | VEBO | 5 | V | 1 | |||
| Collector current - continuous | IC | 200 | mA | 1 | |||
| Collector power dissipation | PC | 200 | mW | 1 | |||
| Thermal resistance from junction to ambient | RΘJA | 625 | ℃/W | 1 | |||
| Junction temperature | TJ | 150 | ℃ | 1 | |||
| Storage temperature range | Tstg | -55 | 150 | ℃ | 1 | ||
| Collector-base breakdown voltage | VCBO | 60 | V | Ic= 100 μA, IE= 0 (Note.1) | 1 | ||
| Collector-emitter breakdown voltage | VCEO | 40 | V | Ic= 1 mA, IB= 0 | 1 | ||
| Emitter-base breakdown voltage | VEBO | 5 | V | IE= 100μA, IC= 0 | 1 | ||
| Collector-base cut-off current | ICBO | 60 | nA | VCB= 60 V, IE= 0 (Note.1) | 1 | ||
| Collector-emitter cut-off current | ICEO | 700 | nA | VCE= 40 V, IE= 0 (Note.1) | 1 | ||
| Collector-emitter cut-off current | ICEX | 50 | nA | VCE= 30 V, VBE(off)= 3V | 1 | ||
| Emitter cut-off current | IEBO | 100 | nA | VEB= 5V, IC=0 | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | 0.25 | V | IC=10 mA, IB=1 mA | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | 0.3 | V | IC=50 mA, IB=5 mA | 1 | ||
| Base-emitter saturation voltage | VBE(sat) | 0.85 | V | IC=10 mA, IB=1 mA | 1 | ||
| Base-emitter saturation voltage | VBE(sat) | 0.95 | V | IC=50 mA, IB=5 mA | 1 | ||
| DC current gain | hFE(1) | 40 | VCE= 1V, IC= 100 uA | 1 | |||
| DC current gain | hFE(2) | 70 | VCE= 1V, IC= 1 mA | 1 | |||
| DC current gain | hFE(3) | 100 | 300 | VCE= 1V, IC= 10 mA | 1 | ||
| DC current gain | hFE(4) | 60 | VCE= 1V, IC= 50 mA | 1 | |||
| Delay time | td | 35 | nS | VCC=3V, VBE(off)=0.5V, IC=10mA, IB1=1mA | 1 | ||
| Rise time | tr | 35 | nS | VCC=3V, VBE(off)=0.5V, IC=10mA, IB1=1mA | 1 | ||
| Storage time | ts | 225 | nS | VCC=3V, IC=10mA, IB1= IB2=1mA | 1 | ||
| Fall time | tf | 75 | nS | VCC=3V, IC=10mA, IB1= IB2=1mA | 1 | ||
| Collector input capacitance | Cib | 8 | pF | VEB= 0.5V, IE= 0, f=1MHz | 1 | ||
| Collector output capacitance | Cob | 4 | pF | VCB= 5V, IE= 0, f=1MHz | 1 | ||
| Transition frequency | fT | 300 | MHz | VCE= 20V, IC= 10mA, f=100MHz | 1 |
CAD (KiCad official)
- Symbol:
PMST3904-HXY - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files:
pmst3904-hxy-etched.step/pmst3904-hxy-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pmst3904-hxy.step/pmst3904-hxy.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HXY MOSFET datasheet (4 pp, sha256
5cbd5405852b479d, retrieved 2026-10-20, 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).