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AD-DTA114YUA
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Changjing Digital Transistors, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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AD-DTA114YUA
Changjing · Digital Transistors · SOT-323
AD-DTA114YUA from Changjing, 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 | IN | input | Input via built-in R1 (typ. 10 kΩ) to the PNP base; input voltage range -40 V to +6 V, VI(off) min -0.3 V, VI(on) max -1.4 V. |
| 2 | GND | power_in | Ground/positive reference (emitter side, shown as GND(+) in the equivalent circuit), with supply voltage Vcc rated -50 V. |
| 3 | OUT | output | Output (collector) of the PNP digital transistor, output current rated -70 mA with peak collector current -100 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage | Vcc | -50 | V | 3 | |||
| Input voltage | VIN | -40 | 6 | V | 3 | ||
| Output current | IO | -70 | mA | Tj = 25°C (footnote 1) | 3 | ||
| Peak collector current | ICM | -100 | mA | Tj = 25°C (footnote 1) | 3 | ||
| Maximum power dissipation (UA column, SOT-323) | PD | 200 | mW | Tj = 25°C (footnote 1) | 3 | ||
| Operating junction and storage temperature range | Tj, Tstg | -55 | 150 | °C | 3 | ||
| Input voltage (off) | VI(off) | -0.3 | V | VCC = -5V, IO = -100µA | 3 | ||
| Input voltage (on) | VI(on) | -1.4 | V | VO = -0.3V, IO = -1mA | 3 | ||
| Output voltage (on) | VO(on) | -0.3 | V | IO/II = -5mA/-0.25mA | 3 | ||
| Input current | II | -0.88 | mA | VI = -5V | 3 | ||
| Output current (off) | IO(off) | -0.5 | µA | VCC = -50V, VI = 0V | 3 | ||
| DC current gain | GI | 68 | VO = -5V, IO = -5mA | 3 | |||
| Input resistance | R1 | 7 | 10 | 13 | kΩ | 3 | |
| Resistance ratio | R2 /R1 | 3.7 | 4.7 | 5.7 | 3 |
CAD (KiCad official)
- Symbol:
AD-DTA114YUA - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files:
ad-dta114yua-etched.step/ad-dta114yua-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ad-dta114yua.step/ad-dta114yua.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (17 pp, sha256
5150450c6591ed07, retrieved 2026-10-19, 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).
# AD-DTA114YUA
**Changjing** · Digital Transistors · SOT-323
AD-DTA114YUA from Changjing, 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 | IN | input | Input via built-in R1 (typ. 10 kΩ) to the PNP base; input voltage range -40 V to +6 V, VI(off) min -0.3 V, VI(on) max -1.4 V. |
| 2 | GND | power_in | Ground/positive reference (emitter side, shown as GND(+) in the equivalent circuit), with supply voltage Vcc rated -50 V. |
| 3 | OUT | output | Output (collector) of the PNP digital transistor, output current rated -70 mA with peak collector current -100 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage | Vcc | | | -50 | V | | 3 |
| Input voltage | VIN | -40 | | 6 | V | | 3 |
| Output current | IO | | | -70 | mA | Tj = 25°C (footnote 1) | 3 |
| Peak collector current | ICM | | | -100 | mA | Tj = 25°C (footnote 1) | 3 |
| Maximum power dissipation (UA column, SOT-323) | PD | | | 200 | mW | Tj = 25°C (footnote 1) | 3 |
| Operating junction and storage temperature range | Tj, Tstg | -55 | | 150 | °C | | 3 |
| Input voltage (off) | VI(off) | -0.3 | | | V | VCC = -5V, IO = -100µA | 3 |
| Input voltage (on) | VI(on) | | | -1.4 | V | VO = -0.3V, IO = -1mA | 3 |
| Output voltage (on) | VO(on) | | | -0.3 | V | IO/II = -5mA/-0.25mA | 3 |
| Input current | II | | | -0.88 | mA | VI = -5V | 3 |
| Output current (off) | IO(off) | | | -0.5 | µA | VCC = -50V, VI = 0V | 3 |
| DC current gain | GI | 68 | | | | VO = -5V, IO = -5mA | 3 |
| Input resistance | R1 | 7 | 10 | 13 | kΩ | | 3 |
| Resistance ratio | R2 /R1 | 3.7 | 4.7 | 5.7 | | | 3 |
## CAD (KiCad official)
- Symbol: `AD-DTA114YUA`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files: `ad-dta114yua-etched.step` / `ad-dta114yua-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ad-dta114yua.step` / `ad-dta114yua.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603098114957979648) (17 pp, sha256 `5150450c6591ed07`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).
[Datasheet PDF](docs/ad-dta114yua-datasheet.pdf)