Overview
The FOD817DSD is a phototransistor output optocoupler from onsemi, part of the FOD817 Series. This device consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a 4-pin dual in-line package (PDIP-4). It is designed to provide high isolation and reliability in various applications.
The FOD817DSD is characterized by its high current transfer ratio (CTR) of 300-600%, making it suitable for applications requiring precise signal transfer between isolated circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Current Transfer Ratio (CTR) | 300 - 600% | % |
| Collector-Emitter Voltage (VCEO) | 70 | V |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.1 - 0.2 | V |
| Input-Output Isolation Voltage (VISO) | 5000 VAC RMS for 1 minute | VAC RMS |
| Operating Temperature (TOPR) | -55 to +110 °C | °C |
| Storage Temperature (TSTG) | -55 to +150 °C | °C |
| Forward Current (IF) | ±50 mA | mA |
| Collector Current (IC) | 50 mA | mA |
| Response Time (Rise/Fall) | 4 - 18 µs / 3 - 18 µs | µs |
Key Features
- High Current Transfer Ratio (CTR): The FOD817DSD offers a CTR of 300-600%, ensuring reliable and efficient signal transfer.
- High Isolation Voltage: With an input-output isolation voltage of 5000 VAC RMS for 1 minute, this optocoupler provides excellent electrical insulation.
- Wide Operating Temperature Range: The device operates from -55°C to +110°C, making it suitable for a variety of environmental conditions.
- Safety and Regulatory Approvals: Compliant with UL1577 and DIN EN/IEC60747-5-5, ensuring safety and reliability in applications.
- Pb-Free and RoHS Compliant: The FOD817DSD is lead-free and RoHS compliant, aligning with environmental regulations.
Applications
- Power Supply Regulators: Used in power supply circuits to provide isolated feedback and control signals.
- Digital Logic Inputs: Suitable for interfacing digital logic signals across different voltage domains.
- Microprocessor Inputs: Used to isolate microprocessor inputs from external signals while maintaining high signal integrity.
- AC Line Monitoring: Can be used to monitor AC line conditions in various industrial and consumer applications.
- Consumer Appliances and Industrial Motors: Applied in control circuits of consumer appliances and industrial motors for safe and reliable operation.
Q & A
- What is the current transfer ratio (CTR) of the FOD817DSD?
The CTR of the FOD817DSD is between 300% and 600%.
- What is the maximum collector-emitter voltage (VCEO) for the FOD817DSD?
The maximum VCEO is 70 V.
- What is the operating temperature range of the FOD817DSD?
The operating temperature range is from -55°C to +110°C.
- Is the FOD817DSD Pb-free and RoHS compliant?
- What are the safety and regulatory approvals for the FOD817DSD?
The device is compliant with UL1577 and DIN EN/IEC60747-5-5.
- What is the input-output isolation voltage of the FOD817DSD?
The input-output isolation voltage is 5000 VAC RMS for 1 minute.
- What is the typical response time (rise/fall) of the FOD817DSD?
The response time is between 4 - 18 µs for rise and 3 - 18 µs for fall.
- In what package type is the FOD817DSD available?
The FOD817DSD is available in a 4-pin dual in-line package (PDIP-4).
- What are some typical applications of the FOD817DSD?
Typical applications include power supply regulators, digital logic inputs, microprocessor inputs, AC line monitoring, and control circuits in consumer appliances and industrial motors.
- What is the maximum forward current (IF) for the FOD817DSD?
The maximum forward current is ±50 mA.
