DTA143ZUA

Yangzhou Yangjie Elec Tech · Digital Transistors · SOT-323(SC-70)

DTA143ZUA from Yangzhou Yangjie Elec Tech, in a SOT-323(SC-70). 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 series resistor R1 (4.7 kΩ typ) to the PNP base; input voltage rating is -30 V to +5 V.
2	GND	power_in	Ground/emitter reference, shown as GND(+) in the equivalent circuit; supply voltage VCC max is -50 V.
3	OUT	output	Output (collector) of the PNP digital transistor; output current rating is -100 mA.

Key specifications

Parameter	Value
Manufacturer	Yangzhou Yangjie Elec Tech
Package	SOT-323(SC-70)
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
Input voltage VI(off)	VI(off)			-0.5	V	VCC=-5V,Ic=-100uA	2
Input voltage VI(on)	VI(on)			-1.3	V	Vo=-0.3V,Ic=-5mA	2
Output voltage	Vo(on)			-0.3	V	Io /Ii =-5mA/-0.25 mA	2
Input current	I I			-1.8	mA	VI=5V	2
Output current	IO(off)			-0.5	uA	VCC=-50V, Vi=0	2
DC current gain	GI	80				Vo=-5V, Io =-10mA	2
Input resistance	R1	3.29	4.7	6.11	kΩ		2
Resistance ratio	R2/R1	8	10	12			2
Transition frequency	fT		250		MHz	Vo=-10V,IO=-5mA,f=100MHz	2
Supply voltage	VCC			-50	V		1
Input voltage	VIN	-30		5	V		1
Output current	IO			-100	mA		1
Power dissipation	PD			200	mW		1
Junction temperature	Tj			150	℃		1
Storage temperature	TSTG	-55		150	℃		1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part	Material	Colour / plating	Datasheet says	Page
contacts		tin	● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102	1

CAD (KiCad official)

Symbol: DTA143ZUA
Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
3D model: SOT-323(SC-70) (KiCad packages3D, STEP)
3D model files: dta143zua-etched.step / dta143zua-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dta143zua.step / dta143zua.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 e5b4d8aaf7bc6c5b, retrieved 2026-11-04, 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

# DTA143ZUA

**Yangzhou Yangjie Elec Tech** · Digital Transistors · SOT-323(SC-70)

DTA143ZUA from Yangzhou Yangjie Elec Tech, in a SOT-323(SC-70). 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 series resistor R1 (4.7 kΩ typ) to the PNP base; input voltage rating is -30 V to +5 V. |
| 2 | GND | power_in | Ground/emitter reference, shown as GND(+) in the equivalent circuit; supply voltage VCC max is -50 V. |
| 3 | OUT | output | Output (collector) of the PNP digital transistor; output current rating is -100 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SOT-323(SC-70) |
| 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 |
|---|---|---|---|---|---|---|---|
| Input voltage VI(off) | VI(off) |  |  | -0.5 | V | VCC=-5V,Ic=-100uA | 2 |
| Input voltage VI(on) | VI(on) |  |  | -1.3 | V | Vo=-0.3V,Ic=-5mA | 2 |
| Output voltage | Vo(on) |  |  | -0.3 | V | Io /Ii =-5mA/-0.25 mA | 2 |
| Input current | I I |  |  | -1.8 | mA | VI=5V | 2 |
| Output current | IO(off) |  |  | -0.5 | uA | VCC=-50V, Vi=0 | 2 |
| DC current gain | GI | 80 |  |  |  | Vo=-5V, Io =-10mA | 2 |
| Input resistance | R1 | 3.29 | 4.7 | 6.11 | kΩ |  | 2 |
| Resistance ratio | R2/R1 | 8 | 10 | 12 |  |  | 2 |
| Transition frequency | fT |  | 250 |  | MHz | Vo=-10V,IO=-5mA,f=100MHz | 2 |
| Supply voltage | VCC |  |  | -50 | V |  | 1 |
| Input voltage | VIN | -30 |  | 5 | V |  | 1 |
| Output current | IO |  |  | -100 | mA |  | 1 |
| Power dissipation | PD |  |  | 200 | mW |  | 1 |
| Junction temperature | Tj |  |  | 150 | ℃ |  | 1 |
| Storage temperature | TSTG | -55 |  | 150 | ℃ |  | 1 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |

## CAD (KiCad official)

- Symbol: `DTA143ZUA`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323(SC-70) (KiCad packages3D, STEP)
- 3D model files: `dta143zua-etched.step` / `dta143zua-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dta143zua.step` / `dta143zua.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](docs/dta143zua-datasheet.pdf) (5 pp, sha256 `e5b4d8aaf7bc6c5b`, retrieved 2026-11-04, 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/dta143zua-datasheet.pdf)