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Toshiba DC Input Optocoupler Surface Mount 4-Pin SO TLP291(Y-TP,SE(T
Specifications
| Country of Origin | Japan |
|---|---|
| Brand | Toshiba |
| Model | TLP291(Y-TP,SE(T |
| Mount Type | Surface |
| Series | TLP291 |
| Maximum Operating Temperature | 110°C |
| Package Type | SO |
| Minimum Operating Temperature | -55°C |
| Maximum input current | 50mA |
| Number Of Channels | 1 |
| Standards/Approvals | EN, UL, CSA |
| Maximum Forward Voltage | 1.4V |
| Number of Pins | 4 |
| Input Current Type | DC |
| Typical Rise Time | 2μs |
| Maximum Current Transfer Ratio | 150% |
| Typical Fall Time | 3μs |
| Minimum Current Transfer Ratio | 0.5% |
Key Features
- Designed for DC input signal isolation in electronic circuits.
- Surface mount design with a compact 4-pin SO package.
- Offers a high isolation voltage of 3750 Vrms.
- Supports a maximum forward voltage of 1.4 V for digital interfaces.
- Provides a wide operating temperature range from -55°C to 110°C.
- Current transfer ratio ranges from 0.5% to 150%.
- Fast switching with typical rise time of 2 μs and fall time of 3 μs.
- Compliant with EN, UL, and CSA international standards.
Product Description
The Toshiba TLP291(Y-TP,SE(T) is a surface mount DC input optocoupler, featuring a compact 4-pin SO package. Designed for electronic isolation and signal transfer in a variety of industrial, commercial, and automotive applications, it efficiently decouples input and output, enabling safe and reliable communication between high-voltage and low-voltage circuits.
This optocoupler utilizes a single channel configuration, making it suitable for digital interfaces and microcontroller inputs. Its surface mount design allows easy placement on densely-populated PCBs, supporting streamlined manufacturing processes.
The device achieves a maximum input current of 50 mA and a forward voltage of 1.4 V, ensuring compatibility with standard logic levels. With current transfer ratios between 0.5% and 150%, designers have flexibility when balancing drive and output performance. The isolation voltage rating of 3750 Vrms provides robust protection against electrical surges and noise.
Performance parameters include fast switching with a typical rise time of 2 μs and fall time of 3 μs. These characteristics support modern high-speed data communication requirements. The wide operating temperature range from -55°C to 110°C makes this optocoupler suitable for challenging industrial and environmental conditions.
International certifications, including EN, UL, and CSA, underline its suitability for global applications and compliance with safety standards. The device is part of Toshiba's TLP291 series, recognized for reliability in signal isolation. It does not carry an automotive standard, focusing on industrial and general electronic use cases.
Potential applications include programmable logic controllers, power supplies, switching circuits, sensing devices, and interface boards where DC signal isolation is required. Its high isolation voltage and robust performance make it ideal for industrial automation, medical devices, laboratory instrumentation, and consumer electronics.
Explore more Optocouplers and signal isolation solutions in the Electronics Components category on EnvMart. Discover Toshiba’s extensive portfolio for demanding industrial, laboratory, and commercial requirements.
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Frequently Asked Questions
The TLP291 optocoupler has a maximum isolation voltage of 3750 Vrms, providing robust protection against electrical surges and noise.
This model operates within a wide temperature range from -55°C to 110°C, making it suitable for various industrial and environmental conditions.
The maximum input current for the TLP291 is 50 mA, ensuring compatibility with standard logic levels in digital interfaces.
The maximum forward voltage for the TLP291 is 1.4 V, which is suitable for digital interfaces.
The typical rise time is 2 μs and the fall time is 3 μs, supporting fast switching for high-speed data communication.
The TLP291 features a single channel configuration, making it suitable for various applications requiring DC signal isolation.
This optocoupler is compliant with EN, UL, and CSA international standards, ensuring its suitability for global applications.
The current transfer ratio for the TLP291 ranges from 0.5% to 150%, providing flexibility in balancing drive and output performance.
The TLP291 comes in a compact 4-pin SO (Surface Mount) package, facilitating easy placement on densely populated PCBs.
The TLP291 is suitable for applications such as programmable logic controllers, power supplies, and interface boards where DC signal isolation is required.
The TLP291 is manufactured in Japan, reflecting its origin in a region known for high-quality electronic components.
The TLP291 supports DC input current, making it suitable for various electronic circuits that require signal isolation.
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