Overview
The PC817X3, produced by Sharp Microelectronics, is a general-purpose photocoupler that features an infrared LED (IRED) optically coupled to a phototransistor. This component is designed to provide electrical isolation between the input and output circuits, making it suitable for a variety of applications requiring signal isolation and amplification.
The PC817X3 is available in different package types, including DIP (Dual In-Line Package) and SMD (Surface Mount Device) options, catering to various mounting and design requirements. It is widely used in industrial, automotive, and consumer electronics for its reliability and performance in isolating and transferring signals.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 1 |
| Voltage - Isolation | 5000Vrms |
| Current Transfer Ratio (Min) | 50% @ 5mA |
| Current Transfer Ratio (Max) | 600% @ 5mA |
| Rise / Fall Time (Typ) | 4µs, 3µs |
| Input Type | DC |
| Output Type | Transistor |
| Voltage - Output (Max) | 80V |
| Current - Output / Channel | 50mA |
| Voltage - Forward (Vf) (Typ) | 1.2V |
| Current - DC Forward (If) (Max) | 50mA |
| Vce Saturation (Max) | 200mV |
| Operating Temperature | -30°C ~ 100°C |
| Mounting Type | Through Hole / Surface Mount |
| Package / Case | 4-DIP (0.300", 7.62mm) / SMD-4P |
Key Features
- High Isolation Voltage: The PC817X3 offers an isolation voltage of 5000Vrms, ensuring reliable electrical isolation between the input and output circuits.
- Wide Operating Temperature Range: It operates over a temperature range of -30°C to 100°C, making it suitable for various environmental conditions.
- High Current Transfer Ratio: The component has a current transfer ratio (CTR) ranging from 50% to 600% at an input current of 5mA, providing efficient signal transfer.
- Fast Switching Times: With rise and fall times of 4µs and 3µs respectively, the PC817X3 is suitable for applications requiring quick signal switching.
- Multiple Package Options: Available in both DIP and SMD packages, this component can be used in a variety of design configurations.
Applications
- Industrial Control Systems: Used in motor control, power supplies, and other industrial automation systems where signal isolation is crucial.
- Automotive Electronics: Employed in various automotive applications such as dashboard controls, sensor systems, and safety features.
- Consumer Electronics: Found in home appliances, audio equipment, and other consumer devices requiring signal isolation and amplification.
- Medical Devices: Used in medical equipment where electrical isolation is necessary to ensure patient safety.
- Telecommunications: Utilized in telecommunications equipment for signal isolation and protection.
Q & A
- What is the isolation voltage of the PC817X3?
The isolation voltage of the PC817X3 is 5000Vrms.
- What is the current transfer ratio (CTR) of the PC817X3?
The CTR of the PC817X3 ranges from 50% to 600% at an input current of 5mA.
- What are the typical rise and fall times of the PC817X3?
The typical rise and fall times are 4µs and 3µs respectively.
- What is the maximum output voltage of the PC817X3?
The maximum output voltage is 80V.
- What is the maximum output current per channel of the PC817X3?
The maximum output current per channel is 50mA.
- What are the operating temperature ranges for the PC817X3?
The operating temperature range is -30°C to 100°C.
- What types of packages are available for the PC817X3?
The PC817X3 is available in both DIP (Dual In-Line Package) and SMD (Surface Mount Device) packages.
- Is the PC817X3 RoHS compliant?
Yes, the PC817X3 is RoHS compliant.
- What are some common applications of the PC817X3?
Common applications include industrial control systems, automotive electronics, consumer electronics, medical devices, and telecommunications equipment.
- What is the typical forward voltage (Vf) of the PC817X3?
The typical forward voltage (Vf) is 1.2V.
