BPC817C (817C) optocoupler
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Description:
The BPC817C is a popular optocoupler consisting of a Gallium Arsenide (GaAs) infrared light-emitting diode (LED) and a NPN silicon phototransistor. This configuration provides electrical isolation between input and output circuits, preventing unwanted signal interference and protecting sensitive components.
Key Features:
- High isolation voltage for reliable signal isolation
- Compact package (typically 6-pin DIP) for easy integration
- Fast switching speed for high-frequency applications
- Low power consumption
- Wide operating temperature range
- Input compatibility with TTL and CMOS logic levels
Technical Specifications:
- Package Type: 6-pin DIP
- Isolation Voltage: Typically 5000Vrms (refer to datasheet for exact value)
- Current Transfer Ratio (CTR): Varies depending on model (refer to datasheet)
- Response Time: Typically in the microsecond range (refer to datasheet)
- Operating Temperature Range: Refer to datasheet (typically -40°C to +85°C)
Applications:
- Signal isolation between control and power circuits
- Interfacing microcontrollers with high-voltage circuits
- Relay driving for AC load control
- Pulse transformers and optocouplers
- Industrial automation and control systems
- Medical equipment with isolated power supplies
Datasheet:
For detailed technical specifications, pin configurations, and application circuits, refer to the BPC817C datasheet.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment