component
SST3904T116
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ROHM Semicon Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SST3904T116
ROHM Semicon · Bipolar (BJT) · SOT-23
SST3904T116 from ROHM Semicon, in a SOT-23. 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 | Emitter | passive | Emitter terminal of the NPN transistor; absolute maximum emitter-base voltage VEBO is 6 V and collector current IC is limited to 0.2 A (Ta = 25°C). |
| 2 | Base | passive | Base terminal of the NPN transistor; emitter-base breakdown voltage BVEBO is minimum 6 V at IE = 10 µA, and base-emitter saturation voltage VBE(sat) is 0.65 to 0.95 V at IC/IB = 50 mA/5 mA. |
| 3 | Collector | passive | Collector terminal of the NPN transistor; absolute maximum collector-base voltage VCBO is 60 V and collector-emitter voltage VCEO is 40 V (Ta = 25°C). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOT-23 |
| 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 breakdown voltage | BVCBO | 60 | V | IC = 10µA | 1 | ||
| Collector-emitter breakdown voltage | BVCEO | 40 | V | IC = 1mA | 1 | ||
| Emitter-base breakdown voltage | BVEBO | 6 | V | IE = 10µA | 1 | ||
| Collector cutoff current | ICES | 50 | nA | VCB = 30V | 1 | ||
| Emitter cutoff current | IEBO | 50 | nA | VEB = 3V | 1 | ||
| Base-emitter saturation voltage | VBE(sat) | 0.65 | 0.85 | V | 1 | ||
| Base-emitter saturation voltage (second printed max value) | VBE(sat) | 0.95 | V | 1 | |||
| Collector-emitter saturation voltage | VCE(sat) | 0.3 | V | IC/IB = 50mA/5mA | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | 0.2 | V | IC/IB = 10mA/1mA | 1 | ||
| DC current transfer ratio | hFE | 30 | VCE = 1V, IC = 0.1mA | 1 | |||
| DC current transfer ratio | hFE | 60 | VCE = 1V, IC = 1mA | 1 | |||
| DC current transfer ratio | hFE | 100 | 300 | VCE = 1V, IC = 10mA | 1 | ||
| DC current transfer ratio | hFE | 70 | VCE = 1V, IC = 50mA | 1 | |||
| DC current transfer ratio | hFE | 40 | VCE = 1V, IC = 100mA | 1 | |||
| Transition frequency | fT | 300 | MHz | VCE = 20V, IE = −10mA, f = 100MHz | 1 | ||
| Collector output capacitance | Cob | 4 | pF | VCB = 10V, f = 100kHz | 1 | ||
| Emitter input capacitance | Cib | 8 | pF | VEB = 0.5V, f = 100kHz | 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 | tstg | 200 | ns | VCC = 3V, IC = 10mA, IB1 = −IB2 = 1mA | 1 | ||
| Fall time | tf | 50 | ns | VCC = 3V, IC = 10mA, IB1 = −IB2 = 1mA | 1 | ||
| Collector-base voltage | VCBO | 60 | V | Ta = 25°C | 1 | ||
| Collector-emitter voltage | VCEO | 40 | V | Ta = 25°C | 1 | ||
| Emitter-base voltage | VEBO | 6 | V | Ta = 25°C | 1 | ||
| Collector current | IC | 0.2 | A | Ta = 25°C | 1 | ||
| Collector power dissipation | PC | 0.35 | W | Ta = 25°C | 1 | ||
| Collector power dissipation (footnote value) | PC | 0.2 | W | Ta = 25°C, mounted on a 7 x 5 x 0.6 mm ceramic board | 1 | ||
| Junction temperature | Tj | 150 | °C | Ta = 25°C | 1 | ||
| Storage temperature | Tstg | -55 | 150 | °C | Ta = 25°C | 1 |
CAD (KiCad official)
- Symbol:
SST3904T116 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
sst3904t116-etched.step/sst3904t116-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sst3904t116.step/sst3904t116.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (5 pp, sha256
1ef8092e11cac55c, retrieved 2026-10-18, tier: lcsc) - 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).
# SST3904T116
**ROHM Semicon** · Bipolar (BJT) · SOT-23
SST3904T116 from ROHM Semicon, in a SOT-23. 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 | Emitter | passive | Emitter terminal of the NPN transistor; absolute maximum emitter-base voltage VEBO is 6 V and collector current IC is limited to 0.2 A (Ta = 25°C). |
| 2 | Base | passive | Base terminal of the NPN transistor; emitter-base breakdown voltage BVEBO is minimum 6 V at IE = 10 µA, and base-emitter saturation voltage VBE(sat) is 0.65 to 0.95 V at IC/IB = 50 mA/5 mA. |
| 3 | Collector | passive | Collector terminal of the NPN transistor; absolute maximum collector-base voltage VCBO is 60 V and collector-emitter voltage VCEO is 40 V (Ta = 25°C). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOT-23 |
| 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 breakdown voltage | BVCBO | 60 | | | V | IC = 10µA | 1 |
| Collector-emitter breakdown voltage | BVCEO | 40 | | | V | IC = 1mA | 1 |
| Emitter-base breakdown voltage | BVEBO | 6 | | | V | IE = 10µA | 1 |
| Collector cutoff current | ICES | | | 50 | nA | VCB = 30V | 1 |
| Emitter cutoff current | IEBO | | | 50 | nA | VEB = 3V | 1 |
| Base-emitter saturation voltage | VBE(sat) | 0.65 | | 0.85 | V | | 1 |
| Base-emitter saturation voltage (second printed max value) | VBE(sat) | | | 0.95 | V | | 1 |
| Collector-emitter saturation voltage | VCE(sat) | | | 0.3 | V | IC/IB = 50mA/5mA | 1 |
| Collector-emitter saturation voltage | VCE(sat) | | | 0.2 | V | IC/IB = 10mA/1mA | 1 |
| DC current transfer ratio | hFE | 30 | | | | VCE = 1V, IC = 0.1mA | 1 |
| DC current transfer ratio | hFE | 60 | | | | VCE = 1V, IC = 1mA | 1 |
| DC current transfer ratio | hFE | 100 | | 300 | | VCE = 1V, IC = 10mA | 1 |
| DC current transfer ratio | hFE | 70 | | | | VCE = 1V, IC = 50mA | 1 |
| DC current transfer ratio | hFE | 40 | | | | VCE = 1V, IC = 100mA | 1 |
| Transition frequency | fT | 300 | | | MHz | VCE = 20V, IE = −10mA, f = 100MHz | 1 |
| Collector output capacitance | Cob | | | 4 | pF | VCB = 10V, f = 100kHz | 1 |
| Emitter input capacitance | Cib | | | 8 | pF | VEB = 0.5V, f = 100kHz | 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 | tstg | | | 200 | ns | VCC = 3V, IC = 10mA, IB1 = −IB2 = 1mA | 1 |
| Fall time | tf | | | 50 | ns | VCC = 3V, IC = 10mA, IB1 = −IB2 = 1mA | 1 |
| Collector-base voltage | VCBO | | | 60 | V | Ta = 25°C | 1 |
| Collector-emitter voltage | VCEO | | | 40 | V | Ta = 25°C | 1 |
| Emitter-base voltage | VEBO | | | 6 | V | Ta = 25°C | 1 |
| Collector current | IC | | | 0.2 | A | Ta = 25°C | 1 |
| Collector power dissipation | PC | | | 0.35 | W | Ta = 25°C | 1 |
| Collector power dissipation (footnote value) | PC | | | 0.2 | W | Ta = 25°C, mounted on a 7 x 5 x 0.6 mm ceramic board | 1 |
| Junction temperature | Tj | | | 150 | °C | Ta = 25°C | 1 |
| Storage temperature | Tstg | -55 | | 150 | °C | Ta = 25°C | 1 |
## CAD (KiCad official)
- Symbol: `SST3904T116`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `sst3904t116-etched.step` / `sst3904t116-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sst3904t116.step` / `sst3904t116.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181236666871808) (5 pp, sha256 `1ef8092e11cac55c`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/sst3904t116-datasheet.pdf)