Overview
The TLP291(YH-TP,SE) is a high-performance optocoupler produced by Toshiba Semiconductor and Storage. This component consists of a gallium arsenide infrared emitting diode optically coupled to a phototransistor, housed in a compact SO4 package. It is designed to provide high isolation voltage and a wide operating temperature range, making it suitable for various high-density surface mounting applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 4-SOIC (0.179, 4.55mm Width) | |
| Number of Pins | 4 | |
| Number of Channels | 1 | |
| Current Transfer Ratio (CTR) | 75% - 150% @ 5mA | % |
| Collector-Emitter Voltage (VCEO) | 80 V | V |
| Isolation Voltage | 3750 Vrms | Vrms |
| Operating Temperature | -55 to 110 °C | °C |
| Input Forward Voltage (Vf) | 1.25 V | V |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 300 mV | mV |
| Turn-on Time | 2 μs | μs |
| Turn-off Time | 60 μs | μs |
| Certifications | UL recognized (UL1577), cUL approved, SEMKO approved, BSI approved |
Key Features
- High isolation voltage of 3750 Vrms, ensuring electrical isolation between input and output.
- Wide operating temperature range from -55 to 110 °C, suitable for diverse environmental conditions.
- Compact SO4 package, ideal for high-density surface mounting applications.
- Low collector-emitter saturation voltage (VCE(sat)) of 300 mV, reducing power consumption.
- Fast switching times with turn-on and turn-off times of 2 μs and 60 μs respectively.
- Certified by various safety standards including UL, cUL, SEMKO, and BSI.
Applications
- Switching power supplies: Suitable for small switching power supplies due to its high isolation voltage and compact package.
- Programmable logic controllers (PLCs): Ideal for use in PLCs requiring high isolation and reliability.
- I/O interface boards: Used in various I/O interface applications where electrical isolation is critical.
Q & A
- What is the isolation voltage of the TLP291(YH-TP,SE)?
The isolation voltage is 3750 Vrms.
- What is the operating temperature range of the TLP291(YH-TP,SE)?
The operating temperature range is from -55 to 110 °C.
- What is the package type of the TLP291(YH-TP,SE)?
The package type is 4-SOIC (0.179, 4.55mm Width).
- What are the typical applications of the TLP291(YH-TP,SE)?
Typical applications include switching power supplies, programmable logic controllers (PLCs), and I/O interface boards.
- What are the certifications held by the TLP291(YH-TP,SE)?
The component is certified by UL, cUL, SEMKO, and BSI.
- What is the collector-emitter saturation voltage (VCE(sat)) of the TLP291(YH-TP,SE)?
The collector-emitter saturation voltage (VCE(sat)) is 300 mV.
- What are the turn-on and turn-off times of the TLP291(YH-TP,SE)?
The turn-on time is 2 μs and the turn-off time is 60 μs.
- What is the current transfer ratio (CTR) of the TLP291(YH-TP,SE)?
The current transfer ratio (CTR) is between 75% and 150% at 5 mA.
- What is the input forward voltage (Vf) of the TLP291(YH-TP,SE)?
The input forward voltage (Vf) is 1.25 V.
- What is the collector-emitter voltage (VCEO) of the TLP291(YH-TP,SE)?
The collector-emitter voltage (VCEO) is 80 V.
