Overview
The TLP281-4(TP,J,F) is a photocoupler produced by Toshiba Semiconductor and Storage. It is designed for surface mount assembly and is particularly suited for applications requiring high isolation and reliability. This component consists of a gallium arsenide infrared emitting diode (IRED) optically coupled to a phototransistor. The TLP281-4 is known for its compact size and thin profile, making it ideal for use in various electronic systems such as PCMCIA Fax modems and programmable controllers.
Key Specifications
| Characteristic | Symbol | Rating | Unit |
|---|---|---|---|
| Forward Current | IF | 50 mA | mA |
| Pulse Forward Current (100 μs pulse, 100 pps) | IFP | 1 A | A |
| Reverse Voltage | VR | 5 V | V |
| Collector-Emitter Voltage | VCEO | 80 V | V |
| Isolation Voltage | BVS | 2500 Vrms | Vrms |
| Junction Temperature | Tj | 125 °C | °C |
| Current Transfer Ratio (Min) | IC/IF | 50% | % |
| Capacitance (Input to Output) | CS | 0.8 pF | pF |
| Isolation Resistance | RS | 5×10^10 Ω | Ω |
Key Features
- Compact Size and Thin Profile: Suitable for surface mount assembly, making it ideal for space-constrained applications.
- High Isolation Voltage: Offers an isolation voltage of 2500 Vrms, ensuring high reliability in applications requiring electrical isolation.
- Current Transfer Ratio: Provides a minimum current transfer ratio of 50%, ensuring consistent performance.
- UL Recognition and BSI Approval: Compliant with UL 1577 and BSI standards, ensuring safety and reliability.
- Wide Operating Temperature Range: Operates reliably over a temperature range of -40°C to 125°C.
Applications
- PCMCIA Fax Modems: Ideal for use in PCMCIA cards due to its compact size and high isolation characteristics.
- Programmable Controllers: Suitable for use in industrial control systems where high reliability and isolation are required.
- AC/DC Input Modules: Can be used in various power supply and control modules requiring electrical isolation.
Q & A
- What is the TLP281-4(TP,J,F) used for?
The TLP281-4(TP,J,F) is used in applications requiring high isolation and reliability, such as PCMCIA Fax modems, programmable controllers, and AC/DC input modules.
- What is the maximum forward current of the TLP281-4?
The maximum forward current is 50 mA.
- What is the isolation voltage of the TLP281-4?
The isolation voltage is 2500 Vrms.
- What is the current transfer ratio of the TLP281-4?
The minimum current transfer ratio is 50%.
- Is the TLP281-4 UL recognized?
- What is the operating temperature range of the TLP281-4?
The operating temperature range is -40°C to 125°C.
- What is the junction temperature of the TLP281-4?
The junction temperature is 125 °C.
- What is the collector-emitter voltage of the TLP281-4?
The collector-emitter voltage is 80 V.
- Is the TLP281-4 BSI approved?
- What is the typical weight of the TLP281-4?
The typical weight is 0.05 g for the TLP281 and 0.19 g for the TLP281-4.
