component
PDTC123TU
Public Made by Adomby adom
Nexperia Digital Transistors, SOT-323-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
PDTC123TU
Nexperia · Digital Transistors · SOT-323-3
PDTC123TU 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 | I | input | Input pin connected to the transistor base; it drives the internal bias resistor R1 = 2.2 kΩ (tolerance 1.54 kΩ to 2.86 kΩ at Tamb = 25 °C). |
| 2 | GND | power_in | Ground pin connected to the transistor emitter, the common reference for the input and output. |
| 3 | O | output | Output pin connected to the transistor collector, rated for up to 100 mA output current with VCEO of 50 V. |
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 | VCBO | 50 | V | open emitter | 3 | ||
| Collector-emitter voltage | VCEO | 50 | V | open base | 3 | ||
| Emitter-base voltage | VEBO | 5 | V | open collector | 3 | ||
| Output current | IO | 100 | mA | 3 | |||
| Peak collector current | ICM | 100 | mA | tp ≤ 1 ms; single pulse | 3 | ||
| Total power dissipation | Ptot | 200 | mW | Tamb ≤ 25 °C; device mounted on FR4 PCB, single-sided copper, standard footprint | 3 | ||
| Junction temperature | Tj | 150 | °C | 3 | |||
| Ambient temperature | Tamb | -65 | 150 | °C | 3 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Thermal resistance from junction to ambient | Rth(j-a) | 625 | K/W | in free air; device mounted on FR4 PCB, single-sided copper, standard footprint | 3 | ||
| Collector-base breakdown voltage | V(BR)CBO | 50 | V | IC = 100 µA; IE = 0 A; Tamb = 25 °C | 4 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | 50 | V | IC = 2 mA; IB = 0 A; Tamb = 25 °C | 4 | ||
| Collector-base cut-off current | ICBO | 100 | nA | VCB = 50 V; IE = 0 A; Tamb = 25 °C | 4 | ||
| Collector-emitter cut-off current | ICEO | 100 | nA | VCE = 30 V; IB = 0 A; Tamb = 25 °C | 4 | ||
| Collector-emitter cut-off current | ICEO | 5 | µA | VCE = 30 V; IB = 0 A; Tj = 150 °C | 4 | ||
| Emitter-base cut-off current | IEBO | 100 | nA | VEB = 5 V; IC = 0 A; Tamb = 25 °C | 4 | ||
| DC current gain | hFE | 30 | VCE = 5 V; IC = 20 mA; Tamb = 25 °C | 4 | |||
| Collector-emitter saturation voltage | VCEsat | 150 | mV | IC = 10 mA; IB = 0.5 mA; Tamb = 25 °C | 4 | ||
| Bias resistor 1 (input) | R1 | 1.54 | 2.2 | 2.86 | kΩ | Tamb = 25 °C | 4 |
| Collector capacitance | Cc | 2.5 | pF | VCB = 10 V; IE = 0 A; ie = 0 A; f = 1 MHz; Tamb = 25 °C | 4 |
CAD (KiCad official)
- Symbol:
PDTC123TU - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323-3 (KiCad packages3D, STEP)
- 3D model files:
pdtc123tu-etched.step/pdtc123tu-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pdtc123tu.step/pdtc123tu.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (9 pp, sha256
cc0bbb811d8f78c4, 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).
# PDTC123TU
**Nexperia** · Digital Transistors · SOT-323-3
PDTC123TU 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 | I | input | Input pin connected to the transistor base; it drives the internal bias resistor R1 = 2.2 kΩ (tolerance 1.54 kΩ to 2.86 kΩ at Tamb = 25 °C). |
| 2 | GND | power_in | Ground pin connected to the transistor emitter, the common reference for the input and output. |
| 3 | O | output | Output pin connected to the transistor collector, rated for up to 100 mA output current with VCEO of 50 V. |
## 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 | VCBO | | | 50 | V | open emitter | 3 |
| Collector-emitter voltage | VCEO | | | 50 | V | open base | 3 |
| Emitter-base voltage | VEBO | | | 5 | V | open collector | 3 |
| Output current | IO | | | 100 | mA | | 3 |
| Peak collector current | ICM | | | 100 | mA | tp ≤ 1 ms; single pulse | 3 |
| Total power dissipation | Ptot | | | 200 | mW | Tamb ≤ 25 °C; device mounted on FR4 PCB, single-sided copper, standard footprint | 3 |
| Junction temperature | Tj | | | 150 | °C | | 3 |
| Ambient temperature | Tamb | -65 | | 150 | °C | | 3 |
| Storage temperature | Tstg | -65 | | 150 | °C | | 3 |
| Thermal resistance from junction to ambient | Rth(j-a) | | | 625 | K/W | in free air; device mounted on FR4 PCB, single-sided copper, standard footprint | 3 |
| Collector-base breakdown voltage | V(BR)CBO | 50 | | | V | IC = 100 µA; IE = 0 A; Tamb = 25 °C | 4 |
| Collector-emitter breakdown voltage | V(BR)CEO | 50 | | | V | IC = 2 mA; IB = 0 A; Tamb = 25 °C | 4 |
| Collector-base cut-off current | ICBO | | | 100 | nA | VCB = 50 V; IE = 0 A; Tamb = 25 °C | 4 |
| Collector-emitter cut-off current | ICEO | | | 100 | nA | VCE = 30 V; IB = 0 A; Tamb = 25 °C | 4 |
| Collector-emitter cut-off current | ICEO | | | 5 | µA | VCE = 30 V; IB = 0 A; Tj = 150 °C | 4 |
| Emitter-base cut-off current | IEBO | | | 100 | nA | VEB = 5 V; IC = 0 A; Tamb = 25 °C | 4 |
| DC current gain | hFE | 30 | | | | VCE = 5 V; IC = 20 mA; Tamb = 25 °C | 4 |
| Collector-emitter saturation voltage | VCEsat | | | 150 | mV | IC = 10 mA; IB = 0.5 mA; Tamb = 25 °C | 4 |
| Bias resistor 1 (input) | R1 | 1.54 | 2.2 | 2.86 | kΩ | Tamb = 25 °C | 4 |
| Collector capacitance | Cc | | | 2.5 | pF | VCB = 10 V; IE = 0 A; ie = 0 A; f = 1 MHz; Tamb = 25 °C | 4 |
## CAD (KiCad official)
- Symbol: `PDTC123TU`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323-3 (KiCad packages3D, STEP)
- 3D model files: `pdtc123tu-etched.step` / `pdtc123tu-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pdtc123tu.step` / `pdtc123tu.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/PDTC123TU.pdf) (9 pp, sha256 `cc0bbb811d8f78c4`, retrieved 2026-10-16, tier: manufacturer)
- **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/pdtc123tu-datasheet.pdf)