component
AT814A-CuH-D
Public Made by Adomby adom
AOTE Transistor, Photovoltaic Output Optoisolators, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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AT814A-CuH-D
AOTE · Transistor, Photovoltaic Output Optoisolators · DIP-4
AT814A-CuH-D from AOTE, in a DIP-4. 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/Cathode | input | Anti-parallel LED input terminal shared with pin 2 (polarity-interchangeable), with forward current rated IF ±50 mA absolute max and ±5 to ±15 mA recommended. |
| 2 | Cathode/Anode | input | Anti-parallel LED input terminal shared with pin 1 (polarity-interchangeable), with forward current rated IF ±50 mA absolute max and ±5 to ±15 mA recommended. |
| 3 | Emitter | passive | Phototransistor emitter, with emitter-collector voltage VECO rated 7 V max. |
| 4 | Collector | passive | Phototransistor collector, with VCEO rated 80 V max and collector current IC rated 50 mA max. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | AOTE |
| Package | DIP-4 |
| Category | Optoisolators |
| Pins | 4 |
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 Current | IF | -50 | 50 | mA | 3 | ||
| Power Dissipation (input) | PD | 70 | mA | 3 | |||
| Power Dissipation Derating Factor | PDD | 2.9 | mW/°C | Derating above Ta = 90°C | 3 | ||
| Thermal Resistance Junction-Ambient | RthJ-A | 325 | °C/W | 3 | |||
| Thermal Resistance Junction-Case | RthJ-C | 200 | °C/W | 3 | |||
| Collector Power Dissipation | PC | 150 | mW | 3 | |||
| Collector Current | IC | 50 | mA | 3 | |||
| Collector-Emitter Voltage | VCEO | 80 | V | 3 | |||
| Emitter-Collector Voltage | VECO | 7 | V | 3 | |||
| Isolation Voltage | Viso | 5000 | Vrms | 3 | |||
| Operating Temperature | Topr | -55 | 110 | ℃ | 3 | ||
| Storage Temperature | Tstg | -55 | 125 | ℃ | 3 | ||
| Soldering Temperature | Tsol | 260 | ℃ | 3 | |||
| Forward Current (recommended) | IF | 5 | 15 | mA | 3 | ||
| Collector-Emitter Voltage (recommended) | VCEO | 5 | 80 | V | 3 | ||
| Collector Current (recommended) | IC | 5 | 35 | mA | 3 | ||
| Forward Voltage | VF | 1.2 | 1.4 | V | IF=±20mA | 4 | |
| Terminal Capacitance | Ct | 30 | 250 | pF | V=0V, F=1KHz | 4 | |
| Collector Dark Current | ICEO | 100 | nA | VCE=20V, IF=0mA | 4 | ||
| Collector-Emitter Breakdown Voltage | BVCEO | 80 | V | IC=0.1mA, IF=0mA | 4 | ||
| Emitter-Collector Voltage | BVECO | 7 | V | IE=10uA, IF=0mA | 4 | ||
| Current Transfer Ratio (class A) | CTR | 50 | 150 | % | IF=1mA, VCE=5V, Ta=25℃; code A | 4 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.1 | 0.2 | V | IF=±20mA, IC=1mA | 4 | |
| Isolation Capacitance | CISO | 0.6 | 1 | pF | V=0, f=1MHz | 4 | |
| Rise Time | Tr | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 4 | ||
| Fall Time | Tf | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 4 |
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 | ④ 框架类型 Lead Frame ( Cu: 铜框架 Copper,Fe： 铁框架 Ferrum) | 8 |
CAD (KiCad official)
- Symbol:
AT814A-CuH-D - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
at814a-cuh-d-etched.step/at814a-cuh-d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);at814a-cuh-d.step/at814a-cuh-d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: AOTE datasheet (12 pp, sha256
58c8638d5528b036, retrieved 2026-11-04, 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).
# AT814A-CuH-D
**AOTE** · Transistor, Photovoltaic Output Optoisolators · DIP-4
AT814A-CuH-D from AOTE, in a DIP-4. 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/Cathode | input | Anti-parallel LED input terminal shared with pin 2 (polarity-interchangeable), with forward current rated IF ±50 mA absolute max and ±5 to ±15 mA recommended. |
| 2 | Cathode/Anode | input | Anti-parallel LED input terminal shared with pin 1 (polarity-interchangeable), with forward current rated IF ±50 mA absolute max and ±5 to ±15 mA recommended. |
| 3 | Emitter | passive | Phototransistor emitter, with emitter-collector voltage VECO rated 7 V max. |
| 4 | Collector | passive | Phototransistor collector, with VCEO rated 80 V max and collector current IC rated 50 mA max. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | AOTE |
| Package | DIP-4 |
| Category | Optoisolators |
| Pins | 4 |
## 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 Current | IF | -50 | | 50 | mA | | 3 |
| Power Dissipation (input) | PD | | | 70 | mA | | 3 |
| Power Dissipation Derating Factor | PDD | | | 2.9 | mW/°C | Derating above Ta = 90°C | 3 |
| Thermal Resistance Junction-Ambient | RthJ-A | | | 325 | °C/W | | 3 |
| Thermal Resistance Junction-Case | RthJ-C | | | 200 | °C/W | | 3 |
| Collector Power Dissipation | PC | | | 150 | mW | | 3 |
| Collector Current | IC | | | 50 | mA | | 3 |
| Collector-Emitter Voltage | VCEO | | | 80 | V | | 3 |
| Emitter-Collector Voltage | VECO | | | 7 | V | | 3 |
| Isolation Voltage | Viso | | | 5000 | Vrms | | 3 |
| Operating Temperature | Topr | -55 | | 110 | ℃ | | 3 |
| Storage Temperature | Tstg | -55 | | 125 | ℃ | | 3 |
| Soldering Temperature | Tsol | | | 260 | ℃ | | 3 |
| Forward Current (recommended) | IF | 5 | | 15 | mA | | 3 |
| Collector-Emitter Voltage (recommended) | VCEO | 5 | | 80 | V | | 3 |
| Collector Current (recommended) | IC | 5 | | 35 | mA | | 3 |
| Forward Voltage | VF | | 1.2 | 1.4 | V | IF=±20mA | 4 |
| Terminal Capacitance | Ct | | 30 | 250 | pF | V=0V, F=1KHz | 4 |
| Collector Dark Current | ICEO | | | 100 | nA | VCE=20V, IF=0mA | 4 |
| Collector-Emitter Breakdown Voltage | BVCEO | 80 | | | V | IC=0.1mA, IF=0mA | 4 |
| Emitter-Collector Voltage | BVECO | 7 | | | V | IE=10uA, IF=0mA | 4 |
| Current Transfer Ratio (class A) | CTR | 50 | | 150 | % | IF=1mA, VCE=5V, Ta=25℃; code A | 4 |
| Collector-Emitter Saturation Voltage | VCE(sat) | | 0.1 | 0.2 | V | IF=±20mA, IC=1mA | 4 |
| Isolation Capacitance | CISO | | 0.6 | 1 | pF | V=0, f=1MHz | 4 |
| Rise Time | Tr | | | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 4 |
| Fall Time | Tf | | | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 4 |
## 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 | | ④ 框架类型 Lead Frame ( Cu: 铜框架 Copper,Fe： 铁框架 Ferrum) | 8 |
## CAD (KiCad official)
- Symbol: `AT814A-CuH-D`
- Footprint: `Package_DIP:DIP-4_W7.62mm`
- 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files: `at814a-cuh-d-etched.step` / `at814a-cuh-d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `at814a-cuh-d.step` / `at814a-cuh-d.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [AOTE datasheet](docs/at814a-cuh-d-datasheet.pdf) (12 pp, sha256 `58c8638d5528b036`, retrieved 2026-11-04, 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/at814a-cuh-d-datasheet.pdf)