component
PC851
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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PC851
AOTE · Transistor, Photovoltaic Output Optoisolators · DIP-4
PC851 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 | passive | LED anode of the input side; forward current IF max 60 mA rating, VF typically 1.2 V at IF=10mA. |
| 2 | Cathode | passive | LED cathode of the input side; reverse voltage VR max 6 V. |
| 3 | Emitter | passive | Phototransistor emitter of the output side; emitter-collector voltage VECO max 7 V. |
| 4 | Collector | passive | Phototransistor collector of the output side; collector-emitter voltage VCEO 350 V, collector current IC max 50 mA. |
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 Voltage | VF | 1.2 | 1.4 | V | IF=10mA | 5 | |
| Reverse Current | IR | 10 | A | VR=5V | 5 | ||
| Terminal Capacitance | Ct | 30 | 250 | F | V=0,f=1KHz | 5 | |
| Collector Dark Current | ICEO | 100 | A | VCE=200V | 5 | ||
| Collector-Emitter Breakdown Voltage | BVCEO | 350 | V | IC=0.1mA, IF=0mA | 5 | ||
| Emitter-Collector Breakdown Voltage | BVECO | 7 | V | IC=0.1mA, IF=0mA | 5 | ||
| Current Transfer Ratio | CTR | 50 | 600 | % | IF=5mA, VCE=5V | 5 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.4 | V | IF=20mA, IC=1mA | 5 | ||
| Rise Time | Tr | 4 | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 5 | |
| Fall Time | Tf | 5 | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 5 | |
| Isolation Capacitance | CISO | 0.6 | F | V=0,f=1MHz | 5 | ||
| Cut-off Frequency | Fc | 80 | kHz | VCE=5V, IC=2mA, RL=100Ω | 5 | ||
| Forward Current | IF | 60 | A | 4 | |||
| Reverse Voltage | VR | 6 | V | 4 | |||
| Power Dissipation (input) | PD | 100 | W | 4 | |||
| Power Dissipation Derating Factor | PDD | 2.9 | mW/°C | above Ta = 100°C | 4 | ||
| Collector Power Dissipation | PC | 150 | W | 4 | |||
| Collector Current | IC | 50 | A | 4 | |||
| Collector-Emitter Voltage | VCEO | 350 | V | 4 | |||
| Emitter-Collector Voltage | VECO | 7 | V | 4 | |||
| Total Power Dissipation | Ptot | 200 | W | 4 | |||
| Isolation Voltage | Viso | 5000 | Vrms | For 1 min | 4 | ||
| Operating Temperature | Topr | -55 | 100 | °C | 4 | ||
| Storage Temperature | Tstg | -55 | 125 | °C | 4 | ||
| Soldering Temperature | Tsol | 260 | °C | 4 |
CAD (KiCad official)
- Symbol:
PC851 - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
pc851-etched.step/pc851-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pc851.step/pc851.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: AOTE datasheet (13 pp, sha256
af39ff2fdc489744, retrieved 2026-10-23, 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), 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).
# PC851
**AOTE** · Transistor, Photovoltaic Output Optoisolators · DIP-4
PC851 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 | passive | LED anode of the input side; forward current IF max 60 mA rating, VF typically 1.2 V at IF=10mA. |
| 2 | Cathode | passive | LED cathode of the input side; reverse voltage VR max 6 V. |
| 3 | Emitter | passive | Phototransistor emitter of the output side; emitter-collector voltage VECO max 7 V. |
| 4 | Collector | passive | Phototransistor collector of the output side; collector-emitter voltage VCEO 350 V, collector current IC max 50 mA. |
## 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 Voltage | VF | | 1.2 | 1.4 | V | IF=10mA | 5 |
| Reverse Current | IR | | | 10 | A | VR=5V | 5 |
| Terminal Capacitance | Ct | | 30 | 250 | F | V=0,f=1KHz | 5 |
| Collector Dark Current | ICEO | | | 100 | A | VCE=200V | 5 |
| Collector-Emitter Breakdown Voltage | BVCEO | 350 | | | V | IC=0.1mA, IF=0mA | 5 |
| Emitter-Collector Breakdown Voltage | BVECO | 7 | | | V | IC=0.1mA, IF=0mA | 5 |
| Current Transfer Ratio | CTR | 50 | | 600 | % | IF=5mA, VCE=5V | 5 |
| Collector-Emitter Saturation Voltage | VCE(sat) | | | 0.4 | V | IF=20mA, IC=1mA | 5 |
| Rise Time | Tr | | 4 | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 5 |
| Fall Time | Tf | | 5 | 18 | µs | VCE=2V, IC=2mA, RL=100Ω | 5 |
| Isolation Capacitance | CISO | | 0.6 | | F | V=0,f=1MHz | 5 |
| Cut-off Frequency | Fc | | 80 | | kHz | VCE=5V, IC=2mA, RL=100Ω | 5 |
| Forward Current | IF | | | 60 | A | | 4 |
| Reverse Voltage | VR | | | 6 | V | | 4 |
| Power Dissipation (input) | PD | | | 100 | W | | 4 |
| Power Dissipation Derating Factor | PDD | | | 2.9 | mW/°C | above Ta = 100°C | 4 |
| Collector Power Dissipation | PC | | | 150 | W | | 4 |
| Collector Current | IC | | | 50 | A | | 4 |
| Collector-Emitter Voltage | VCEO | | | 350 | V | | 4 |
| Emitter-Collector Voltage | VECO | | | 7 | V | | 4 |
| Total Power Dissipation | Ptot | | | 200 | W | | 4 |
| Isolation Voltage | Viso | | | 5000 | Vrms | For 1 min | 4 |
| Operating Temperature | Topr | -55 | | 100 | °C | | 4 |
| Storage Temperature | Tstg | -55 | | 125 | °C | | 4 |
| Soldering Temperature | Tsol | | | 260 | °C | | 4 |
## CAD (KiCad official)
- Symbol: `PC851`
- Footprint: `Package_DIP:DIP-4_W7.62mm`
- 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files: `pc851-etched.step` / `pc851-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pc851.step` / `pc851.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [AOTE datasheet](docs/pc851-datasheet.pdf) (13 pp, sha256 `af39ff2fdc489744`, retrieved 2026-10-23, 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), 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/pc851-datasheet.pdf)