Overview
The FOD817CSD is a phototransistor optocoupler produced by onsemi. It is part of the FOD817 series, which features a gallium arsenide infrared emitting diode driving a silicon phototransistor in a 4-pin dual in-line package (DIP) or surface mount technology (SMT) package. This device is designed to provide electrical isolation between the input and output circuits, making it suitable for various applications requiring high insulation and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Current Transfer Ratio (CTR) | 200-400% | - |
| Collector-Emitter Voltage (VCEO) | 70 | V |
| Emitter-Collector Voltage (VECO) | 6 | V |
| Continuous Collector Current (IC) | 50 | mA |
| Collector Power Dissipation (PC) | 150 | mW |
| Input-Output Isolation Voltage (VISO) | 5000 | VACRMS |
| Operating Temperature (TOPR) | -55 to +110 | °C |
| Storage Temperature (TSTG) | -55 to +150 | °C |
| Lead Solder Temperature (TSOL) | 260 | °C (for 10 s) |
Key Features
- AC Input Response: The FOD817CSD is capable of responding to AC inputs, making it suitable for applications such as AC line monitoring.
- High Current Transfer Ratio (CTR): The CTR ranges from 200% to 400%, ensuring efficient signal transfer.
- High Insulation Voltage: The device offers an input-output isolation voltage of up to 5000 VACRMS, ensuring safe electrical insulation.
- Safety and Regulatory Approvals: Compliant with UL1577, DIN EN/IEC60747-5-5, and other safety standards.
- Pb-Free and RoHS Compliant: Environmentally friendly and compliant with current regulations.
Applications
- Power Supply Regulators: Used to isolate and regulate power supply circuits.
- Digital Logic Inputs: Suitable for interfacing digital logic circuits while maintaining electrical isolation.
- Microprocessor Inputs: Used in microprocessor systems to provide isolated input signals.
- AC Line Monitoring: Monitors AC lines for voltage presence and polarity.
- Telephone Line Interface: Used in telephone line interfaces to ensure safe and isolated signal transmission.
Q & A
- What is the primary function of the FOD817CSD?
The primary function of the FOD817CSD is to provide electrical isolation between the input and output circuits while transferring signals efficiently.
- What is the current transfer ratio (CTR) of the FOD817CSD?
The CTR of the FOD817CSD ranges from 200% to 400%.
- What is the maximum collector-emitter voltage (VCEO) of the FOD817CSD?
The maximum VCEO is 70 V.
- What are the operating and storage temperature ranges for the FOD817CSD?
The operating temperature range is -55°C to +110°C, and the storage temperature range is -55°C to +150°C.
- Is the FOD817CSD Pb-free and RoHS compliant?
- What safety and regulatory approvals does the FOD817CSD have?
The device is compliant with UL1577, DIN EN/IEC60747-5-5, and other relevant safety standards.
- What is the input-output isolation voltage of the FOD817CSD?
The input-output isolation voltage is up to 5000 VACRMS.
- What are some typical applications of the FOD817CSD?
Typical applications include power supply regulators, digital logic inputs, microprocessor inputs, AC line monitoring, and telephone line interfaces.
- What package options are available for the FOD817CSD?
The device is available in both DIP and SMT packages.
- How do I ensure proper soldering of the FOD817CSD?
The lead solder temperature should not exceed 260°C for 10 seconds.
