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DDTA123YE-7-F
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Diodes Incorporated Digital Transistors, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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DDTA123YE-7-F
Diodes Incorporated · Digital Transistors · SOT-523
DDTA123YE-7-F from Diodes Incorporated, in a SOT-523. 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; the DDTA123YE input voltage is rated +5 V to -12 V (absolute maximum, pin 1 to pin 2). |
| 2 | GND | power_in | Ground reference for input and output; the supply voltage VCC is rated -50 V maximum from pin 2 to pin 3. |
| 3 | OUT | output | Output pin; the DDTA123YE output current is rated -100 mA (absolute maximum). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-523 |
| Category | Triode/MOS Tube/Transistor |
| 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 Resistor Tolerance | R1 | -30 | 30 | % | 3 | ||
| Resistance Ratio Tolerance | R2/R1 | -20 | 20 | % | 3 | ||
| DC Current Gain | Gl | 33 | VO = -5V, IO = -10mA | 3 | |||
| Input Voltage (OFF) | Vl(OFF) | -0.3 | V | VCC = -5V, IO = -100µA | 3 | ||
| Input Voltage (ON) | Vl(ON) | -3 | V | VO = -0.3V, IO = -20mA | 3 | ||
| Output Voltage (ON) | VO(ON) | -0.1 | -0.3 | V | IO/Il = -5mA/-0.25mA DDTA123E | 3 | |
| Input Current | Il | -3.8 | mA | VI = -5V | 3 | ||
| Output Current (OFF) | IO(OFF) | -0.5 | µA | VCC = -50V, VI = 0V | 3 | ||
| Resistor R1 (nominal) | R1 | 2.2 | kΩ | 1 | |||
| Resistor R2 (nominal) | R2 | 10 | kΩ | 1 | |||
| Supply Voltage | VCC | -50 | V | 2 | |||
| Input Voltage (DDTA123YE) | VIN | -12 | 5 | V | 2 | ||
| Output Current (DDTA123YE) | IO | -100 | mA | 2 | |||
| Output Current (All) | IC(MAX) | -100 | mA | 2 | |||
| Power Dissipation | PD | 150 | mW | Mounted on FR4 PC Board with minimum recommended pad layout | 2 | ||
| Thermal Resistance, Junction to Ambient Air | RJA | 833 | C/W | Mounted on FR4 PC Board with minimum recommended pad layout | 2 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | C | 2 |
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: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 | 1 |
CAD (KiCad official)
- Symbol:
DDTA123YE-7-F - Footprint:
Package_TO_SOT_SMD:SOT-523 - 3D model: SOT-523 (KiCad packages3D, STEP)
- 3D model files:
ddta123ye-7-f-etched.step/ddta123ye-7-f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ddta123ye-7-f.step/ddta123ye-7-f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (6 pp, sha256
1a64ca8b52dbad5b, retrieved 2026-10-27, 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).
# DDTA123YE-7-F
**Diodes Incorporated** · Digital Transistors · SOT-523
DDTA123YE-7-F from Diodes Incorporated, in a SOT-523. 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; the DDTA123YE input voltage is rated +5 V to -12 V (absolute maximum, pin 1 to pin 2). |
| 2 | GND | power_in | Ground reference for input and output; the supply voltage VCC is rated -50 V maximum from pin 2 to pin 3. |
| 3 | OUT | output | Output pin; the DDTA123YE output current is rated -100 mA (absolute maximum). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-523 |
| Category | Triode/MOS Tube/Transistor |
| 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 Resistor Tolerance | R1 | -30 | | 30 | % | | 3 |
| Resistance Ratio Tolerance | R2/R1 | -20 | | 20 | % | | 3 |
| DC Current Gain | Gl | 33 | | | | VO = -5V, IO = -10mA | 3 |
| Input Voltage (OFF) | Vl(OFF) | | | -0.3 | V | VCC = -5V, IO = -100µA | 3 |
| Input Voltage (ON) | Vl(ON) | | | -3 | V | VO = -0.3V, IO = -20mA | 3 |
| Output Voltage (ON) | VO(ON) | | -0.1 | -0.3 | V | IO/Il = -5mA/-0.25mA DDTA123E | 3 |
| Input Current | Il | | | -3.8 | mA | VI = -5V | 3 |
| Output Current (OFF) | IO(OFF) | | | -0.5 | µA | VCC = -50V, VI = 0V | 3 |
| Resistor R1 (nominal) | R1 | | 2.2 | | kΩ | | 1 |
| Resistor R2 (nominal) | R2 | | 10 | | kΩ | | 1 |
| Supply Voltage | VCC | | | -50 | V | | 2 |
| Input Voltage (DDTA123YE) | VIN | -12 | | 5 | V | | 2 |
| Output Current (DDTA123YE) | IO | | | -100 | mA | | 2 |
| Output Current (All) | IC(MAX) | | | -100 | mA | | 2 |
| Power Dissipation | PD | | | 150 | mW | Mounted on FR4 PC Board with minimum recommended pad layout | 2 |
| Thermal Resistance, Junction to Ambient Air | RJA | | | 833 | C/W | Mounted on FR4 PC Board with minimum recommended pad layout | 2 |
| Operating and Storage Temperature Range | TJ, TSTG | -55 | | 150 | C | | 2 |
## 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: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 | 1 |
## CAD (KiCad official)
- Symbol: `DDTA123YE-7-F`
- Footprint: `Package_TO_SOT_SMD:SOT-523`
- 3D model: SOT-523 (KiCad packages3D, STEP)
- 3D model files: `ddta123ye-7-f-etched.step` / `ddta123ye-7-f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ddta123ye-7-f.step` / `ddta123ye-7-f.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/DDTA123YE-7-F.pdf) (6 pp, sha256 `1a64ca8b52dbad5b`, retrieved 2026-10-27, 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/ddta123ye-7-f-datasheet.pdf)