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DTC123EUAT106
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ROHM Semicon Digital Transistors, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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DTC123EUAT106
ROHM Semicon · Digital Transistors · SOT-323
DTC123EUAT106 from ROHM Semicon, in a SOT-323. 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 | GND | power_in | Emitter; connected to ground reference; also serves as the low side of the built-in R2 (2.2 kΩ) resistor network. |
| 2 | IN | input | Base input through built-in R1 = 2.2 kΩ series resistor; VI(off) max 0.5 V, VI(on) min 3.0 V (IO = 20 mA, VO = 0.3 V); max input voltage 12 V. |
| 3 | OUT | output | Collector output (open-collector); IC(MAX) 100 mA, VCEO 50 V; VO(on) typ 100 mV / max 300 mV at IO = 10 mA, II = 0.5 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOT-323 |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
DTC123EUAT106 - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files:
dtc123euat106-etched.step/dtc123euat106-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dtc123euat106.step/dtc123euat106.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (11 pp, sha256
dda9bc6d37d85e2a, retrieved 2026-09-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-sonnet-4-6(text+vision), consensusclaude-opus-4-7(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).
# DTC123EUAT106
**ROHM Semicon** · Digital Transistors · SOT-323
DTC123EUAT106 from ROHM Semicon, in a SOT-323. 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 | GND | power_in | Emitter; connected to ground reference; also serves as the low side of the built-in R2 (2.2 kΩ) resistor network. |
| 2 | IN | input | Base input through built-in R1 = 2.2 kΩ series resistor; VI(off) max 0.5 V, VI(on) min 3.0 V (IO = 20 mA, VO = 0.3 V); max input voltage 12 V. |
| 3 | OUT | output | Collector output (open-collector); IC(MAX) 100 mA, VCEO 50 V; VO(on) typ 100 mV / max 300 mV at IO = 10 mA, II = 0.5 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOT-323 |
| Category | Transistors/Thyristors |
| Pins | 3 |
## CAD (KiCad official)
- Symbol: `DTC123EUAT106`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files: `dtc123euat106-etched.step` / `dtc123euat106-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dtc123euat106.step` / `dtc123euat106.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/8588906728545402880) (11 pp, sha256 `dda9bc6d37d85e2a`, retrieved 2026-09-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (text+vision), consensus `claude-opus-4-7` (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/dtc123euat106-datasheet.pdf)