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TLP181GR
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FabricanteJLCPCB Assembly
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Peça do Fabricante #TLP181GR
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Especificações
| Atributo | Valor |
| Manufacturer | JLCPCB Assembly |
| Package | SMD-4P |
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Description
The TLP181GR is an optocoupler (or photocoupler) from Toshiba, designed for signal isolation in electronic circuits. It features an infrared LED paired with a phototransistor, providing electrical isolation between input and output (up to 5kVrms).
Key specifications:
- Current Transfer Ratio (CTR): 50-600% (ensures reliable signal transmission).
- Isolation Voltage: 5kVrms (enhances safety in high-voltage applications).
- Package: 4-pin DIP (compact and widely compatible).
- Switching Speed: ~3µs (suitable for moderate-speed applications).
Common uses include industrial controls, power supply feedback, and microcontroller interfacing, where noise immunity and safety are critical.
The "GR" suffix indicates a tape-and-reel packaging option for automated assembly.
For detailed specs, refer to Toshiba’s datasheet.
Key specifications:
- Current Transfer Ratio (CTR): 50-600% (ensures reliable signal transmission).
- Isolation Voltage: 5kVrms (enhances safety in high-voltage applications).
- Package: 4-pin DIP (compact and widely compatible).
- Switching Speed: ~3µs (suitable for moderate-speed applications).
Common uses include industrial controls, power supply feedback, and microcontroller interfacing, where noise immunity and safety are critical.
The "GR" suffix indicates a tape-and-reel packaging option for automated assembly.
For detailed specs, refer to Toshiba’s datasheet.
Equivalent
The TLP181GR (optocoupler) has several equivalents, including:
- PC817 (Sharp)
- LTV817 (Lite-On)
- EL817 (Everlight)
- CNY17 (Vishay)
- SFH618A (OSRAM)
These are similar in function (4-pin DIP, transistor-output optocouplers) but check datasheets for exact specs like CTR (Current Transfer Ratio) and voltage ratings.
- PC817 (Sharp)
- LTV817 (Lite-On)
- EL817 (Everlight)
- CNY17 (Vishay)
- SFH618A (OSRAM)
These are similar in function (4-pin DIP, transistor-output optocouplers) but check datasheets for exact specs like CTR (Current Transfer Ratio) and voltage ratings.
Pinout
The TLP181GR is a 4-pin photocoupler (optoisolator) with the following functions:
1. Pin 1 (Anode): Input-side LED anode (+).
2. Pin 2 (Cathode): Input-side LED cathode (-).
3. Pin 3 (Emitter): Output-side phototransistor emitter (typically grounded).
4. Pin 4 (Collector): Output-side phototransistor collector (output signal).
It provides electrical isolation (up to 5kVrms) and is commonly used for signal transmission in circuits requiring noise immunity, such as in power supplies, PLCs, and digital interfaces. The GR suffix indicates a tape-and-reel packaging option.
Key specs:
- Current Transfer Ratio (CTR): 50-600%
- Isolation Voltage: 5kVrms
- Package: SOP4 (small outline)
1. Pin 1 (Anode): Input-side LED anode (+).
2. Pin 2 (Cathode): Input-side LED cathode (-).
3. Pin 3 (Emitter): Output-side phototransistor emitter (typically grounded).
4. Pin 4 (Collector): Output-side phototransistor collector (output signal).
It provides electrical isolation (up to 5kVrms) and is commonly used for signal transmission in circuits requiring noise immunity, such as in power supplies, PLCs, and digital interfaces. The GR suffix indicates a tape-and-reel packaging option.
Key specs:
- Current Transfer Ratio (CTR): 50-600%
- Isolation Voltage: 5kVrms
- Package: SOP4 (small outline)
Application
The TLP181GR is a photocoupler (optoisolator) used for signal isolation in various applications:
1. Industrial Control – Isolates signals in PLCs, motor drives, and sensors.
2. Power Electronics – Ensures safe signal transmission in inverters, SMPS, and UPS systems.
3. Automotive – Protects communication lines in EV chargers and battery management.
4. Consumer Electronics – Isolates signals in appliances and IoT devices.
5. Medical Equipment – Prevents noise interference in diagnostic devices.
Its compact, high-reliability design makes it ideal for noise-sensitive and high-voltage isolation needs.
1. Industrial Control – Isolates signals in PLCs, motor drives, and sensors.
2. Power Electronics – Ensures safe signal transmission in inverters, SMPS, and UPS systems.
3. Automotive – Protects communication lines in EV chargers and battery management.
4. Consumer Electronics – Isolates signals in appliances and IoT devices.
5. Medical Equipment – Prevents noise interference in diagnostic devices.
Its compact, high-reliability design makes it ideal for noise-sensitive and high-voltage isolation needs.
