component
AT3081-CuH-DE
Public Made by Adomby adom
AOTE Triac, SCR Output Optoisolators, DIP-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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AT3081-CuH-DE
AOTE · Triac, SCR Output Optoisolators · DIP-6
AT3081-CuH-DE from AOTE, in a DIP-6. 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 | Anode | passive | Anode of the input infrared LED, driven with a recommended forward current of 5 to 15 mA (absolute maximum IF 60 mA). |
| 2 | Cathode | passive | Cathode of the input infrared LED; maximum reverse voltage VR is 6 V. |
| 3 | NC | unconnected | No internal connection. |
| 4 | Terminal | passive | Main output thyristor (triac) terminal with the zero-cross circuit; off-state voltage VDRM is 800 V for the AT308X series and on-state current is 100 mA RMS maximum. |
| 5 | NC | unconnected | No internal connection (shown as NC in the pin configuration list). |
| 6 | Terminal | passive | Main output thyristor (triac) terminal on the opposite side from pin 4; off-state voltage VDRM is 800 V for the AT308X series and on-state current is 100 mA RMS maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | AOTE |
| Package | DIP-6 |
| Category | Optoisolators |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF | 1.23 | 1.5 | V | IF =20mA | 4 | |
| Back current | IR | 10 | uA | VR =6V | 4 | ||
| Off-state peak current (AT308X) | IDRM1 | 500 | nA | VDRM =Rated VDRM, IF = 0mA | 4 | ||
| On-state peak voltage | VTM | 3 | V | ITM=100mA peak, IF = Rated IFT | 4 | ||
| Critical rise rate of off-state voltage (AT308X) | dv/dt | 600 | V/μs | VPEAK =Rated VDRM, IF =0 | 4 | ||
| Suppression voltage (MT1-MT2 will not be triggered if higher than this voltage) | VInh | 20 | V | IF = Rated IFT | 4 | ||
| Leakage current in suppression state | IDRM2 | 500 | uA | IF = Rated IFT, VDRM=Rated VDRM, Off state | 4 | ||
| LED trigger current (AT3081) | IFT | 15 | mA | Main terminal Voltage =3V | 4 | ||
| Maintain current | IH | 280 | uA | 4 | |||
| Forward Current | IF | 5 | 15 | mA | 3 | ||
| Peak repetitive surge current | ITSM | 1 | A | pw=100 μs,120pps | 3 | ||
| On-state current (root mean square value) | IT(RMS) | 100 | mA | 3 | |||
| Forward Current | IF | 60 | mA | 3 | |||
| Backward Voltage | VR | 6 | V | 3 | |||
| Power Dissipation (input) | PD | 70 | mW | 3 | |||
| Power dissipation derating factor (input) | PDD | 3.8 | mW/℃ | above Ta = 90°C | 3 | ||
| Off-state output terminal voltage (AT308X) | VDRM | 800 | V | 3 | |||
| Peak repetitive surge current | ITSM | 1 | A | pw=100μs,120pps | 3 | ||
| On-state current (root mean square value) | IT(RMS) | 100 | mA | 3 | |||
| Power Dissipation (output) | PC | 300 | mW | 3 | |||
| Power dissipation derating factor (output) | 7.4 | mW/℃ | above Ta = 90°C | 3 | |||
| Isolation Voltage | Viso | 5000 | Vrms | 3 | |||
| Operating Temperature | Topr | -55 | 110 | ℃ | 3 | ||
| Storage Temperature | Tstg | -55 | 125 | ℃ | 3 | ||
| Soldering Temperature | Tsol | 260 | ℃ | 3 |
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 | Copper | ③ 框架类型 Lead Frame ( Cu: 铜框架 Copper) | 9 |
CAD (KiCad official)
- Symbol:
AT3081-CuH-DE - Footprint:
Package_DIP:DIP-6_W7.62mm - 3D model: DIP-6 (KiCad packages3D, STEP)
- 3D model files:
at3081-cuh-de-etched.step/at3081-cuh-de-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);at3081-cuh-de.step/at3081-cuh-de.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: AOTE datasheet (13 pp, sha256
1af7fcb4168f7679, retrieved 2026-10-16, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).
# AT3081-CuH-DE
**AOTE** · Triac, SCR Output Optoisolators · DIP-6
AT3081-CuH-DE from AOTE, in a DIP-6. 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 | Anode | passive | Anode of the input infrared LED, driven with a recommended forward current of 5 to 15 mA (absolute maximum IF 60 mA). |
| 2 | Cathode | passive | Cathode of the input infrared LED; maximum reverse voltage VR is 6 V. |
| 3 | NC | unconnected | No internal connection. |
| 4 | Terminal | passive | Main output thyristor (triac) terminal with the zero-cross circuit; off-state voltage VDRM is 800 V for the AT308X series and on-state current is 100 mA RMS maximum. |
| 5 | NC | unconnected | No internal connection (shown as NC in the pin configuration list). |
| 6 | Terminal | passive | Main output thyristor (triac) terminal on the opposite side from pin 4; off-state voltage VDRM is 800 V for the AT308X series and on-state current is 100 mA RMS maximum. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | AOTE |
| Package | DIP-6 |
| Category | Optoisolators |
| Pins | 6 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF | | 1.23 | 1.5 | V | IF =20mA | 4 |
| Back current | IR | | | 10 | uA | VR =6V | 4 |
| Off-state peak current (AT308X) | IDRM1 | | | 500 | nA | VDRM =Rated VDRM, IF = 0mA | 4 |
| On-state peak voltage | VTM | | | 3 | V | ITM=100mA peak, IF = Rated IFT | 4 |
| Critical rise rate of off-state voltage (AT308X) | dv/dt | 600 | | | V/μs | VPEAK =Rated VDRM, IF =0 | 4 |
| Suppression voltage (MT1-MT2 will not be triggered if higher than this voltage) | VInh | | | 20 | V | IF = Rated IFT | 4 |
| Leakage current in suppression state | IDRM2 | | | 500 | uA | IF = Rated IFT, VDRM=Rated VDRM, Off state | 4 |
| LED trigger current (AT3081) | IFT | | | 15 | mA | Main terminal Voltage =3V | 4 |
| Maintain current | IH | | 280 | | uA | | 4 |
| Forward Current | IF | 5 | | 15 | mA | | 3 |
| Peak repetitive surge current | ITSM | | | 1 | A | pw=100 μs,120pps | 3 |
| On-state current (root mean square value) | IT(RMS) | | | 100 | mA | | 3 |
| Forward Current | IF | | | 60 | mA | | 3 |
| Backward Voltage | VR | | | 6 | V | | 3 |
| Power Dissipation (input) | PD | | | 70 | mW | | 3 |
| Power dissipation derating factor (input) | PDD | | | 3.8 | mW/℃ | above Ta = 90°C | 3 |
| Off-state output terminal voltage (AT308X) | VDRM | | | 800 | V | | 3 |
| Peak repetitive surge current | ITSM | | | 1 | A | pw=100μs,120pps | 3 |
| On-state current (root mean square value) | IT(RMS) | | | 100 | mA | | 3 |
| Power Dissipation (output) | PC | | | 300 | mW | | 3 |
| Power dissipation derating factor (output) | | | | 7.4 | mW/℃ | above Ta = 90°C | 3 |
| Isolation Voltage | Viso | | | 5000 | Vrms | | 3 |
| Operating Temperature | Topr | -55 | | 110 | ℃ | | 3 |
| Storage Temperature | Tstg | -55 | | 125 | ℃ | | 3 |
| Soldering Temperature | Tsol | | | 260 | ℃ | | 3 |
## 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 | Copper | | ③ 框架类型 Lead Frame ( Cu: 铜框架 Copper) | 9 |
## CAD (KiCad official)
- Symbol: `AT3081-CuH-DE`
- Footprint: `Package_DIP:DIP-6_W7.62mm`
- 3D model: DIP-6 (KiCad packages3D, STEP)
- 3D model files: `at3081-cuh-de-etched.step` / `at3081-cuh-de-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `at3081-cuh-de.step` / `at3081-cuh-de.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [AOTE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756417819448102912) (13 pp, sha256 `1af7fcb4168f7679`, retrieved 2026-10-16, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/at3081-cuh-de-datasheet.pdf)