component
DTA143XCA
Public Made by Adomby adom
Changjing Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownDTA143XCA
Changjing · Digital Transistors · SOT-23
DTA143XCA from Changjing, 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 | IN | input | Input pin to the built-in bias network (R1 = 4.7 kΩ typ., 3.29 to 6.11 kΩ); input voltage is rated −20 V to +7 V. |
| 2 | GND | power_in | Common ground reference for the device; the datasheet gives no separate electrical limit for this pin. |
| 3 | OUT | output | Output pin of the inverter stage, rated for output current up to −100 mA and supply voltage VCC down to −50 V, with on-state output voltage VO(on) of −0.1 to −0.3 V at IO/II = −10 mA/−0.5 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| 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 |
|---|---|---|---|---|---|---|---|
| Input voltage (VI(off) row) | VI(off) | -0.3 | V | VCC=-5V,IO=-100µA | 2 | ||
| Input voltage (VI(on) row) | VI(on) | -2.5 | V | VO=-0.3V ,IO=-20mA | 2 | ||
| Output voltage | VO(on) | -0.1 | -0.3 | V | IO/II=-10mA/-0.5mA | 2 | |
| Input current | II | -1.8 | mA | VI=-5V | 2 | ||
| Output current | IO(off) | -0.5 | μA | VCC=-50V,VI=0 | 2 | ||
| DC current gain | GI | 30 | VO=-5V,IO=-10mA | 2 | |||
| Input resistance | R1 | 3.29 | 4.7 | 6.11 | kΩ | 2 | |
| Resistance ratio | R2/R1 | 1.7 | 2.1 | 2.6 | 2 | ||
| Transition frequency | fT | 250 | MHz | VO=-10V,IO=-5mA,f=100MHz | 2 | ||
| Supply voltage | VCC | -50 | V | 2 | |||
| Input voltage | VIN | -20 | 7 | V | 2 | ||
| Output current | IO | -100 | mA | 2 | |||
| Power dissipation (SOT-23 column, CA) | PD | 200 | mW | 2 | |||
| Operation junction and storage temperature range | TJ,Tstg | -55 | 150 | ℃ | 2 |
CAD (KiCad official)
- Symbol:
DTA143XCA - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
dta143xca-etched.step/dta143xca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dta143xca.step/dta143xca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (15 pp, sha256
c8324cbfa8c963b5, retrieved 2026-10-09, 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).