Overview
The FOD817BSD is a 4-pin dual in-line package (DIP) phototransistor optocoupler produced by onsemi. This device consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor. The FOD817 series is designed to provide high isolation and reliable performance in various applications.
The FOD817BSD specifically belongs to the FOD817B group, which has a current transfer ratio (CTR) range of 130% to 260%. This makes it suitable for applications requiring precise and reliable signal transfer across electrical isolation barriers.
Key Specifications
| Parameter | Device | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| CTR (Current Transfer Ratio) | FOD817B | IF = 5 mA, VCE = 5 V | 130 | 260 | % | |
| BVCEO (Collector-Emitter Breakdown Voltage) | FOD817 | IC = 0.1 mA, IF = 0 | 70 | V | ||
| BVECO (Emitter-Collector Breakdown Voltage) | FOD817 | IE = 10 µA, IF = 0 | 6 | V | ||
| VCE(SAT) (Collector-Emitter Saturation Voltage) | FOD817 | IF = 20 mA, IC = 1 mA | 0.1 | 0.2 | V | |
| VIORM (Maximum Working Insulation Voltage) | FOD817 | 850 | Vpeak | |||
| VIOTM (Highest Allowable Over-Voltage) | FOD817 | 8000 | Vpeak | |||
| TSTG (Storage Temperature) | FOD817 | -55 | 150 | °C | ||
| TOPR (Operating Temperature) | FOD817 | -55 | 110 | °C |
Key Features
- AC Input Response: The FOD817 series, including the FOD817BSD, is capable of handling AC input signals, making it suitable for applications like AC line monitoring.
- High Current Transfer Ratio: The FOD817B group has a CTR range of 130% to 260%, ensuring reliable and efficient signal transfer.
- High Isolation Voltage: With a maximum working insulation voltage of 850 Vpeak and highest allowable over-voltage of 8000 Vpeak, this optocoupler provides excellent electrical isolation.
- Safety and Regulatory Approvals: Compliant with UL1577 and DIN EN/IEC60747-5-5, ensuring safety and reliability in various applications.
- Minimum BVCEO of 70 V Guaranteed: High collector-emitter breakdown voltage for robust performance.
Applications
- Power Supply Regulators: Used to monitor and control power supply outputs.
- Digital Logic Inputs: Suitable for interfacing digital logic signals across isolation barriers.
- Microprocessor Inputs: Used in microprocessor systems to isolate input signals.
- Telephone Line Interface: Can be used in telephone line interfaces due to its ability to handle unknown polarity DC signals.
Q & A
- What is the current transfer ratio (CTR) range of the FOD817BSD?
The CTR range of the FOD817BSD is 130% to 260%.
- What is the maximum working insulation voltage of the FOD817BSD?
The maximum working insulation voltage is 850 Vpeak.
- What are the safety and regulatory approvals for the FOD817BSD?
The FOD817BSD is compliant with UL1577 and DIN EN/IEC60747-5-5.
- What is the collector-emitter breakdown voltage (BVCEO) of the FOD817BSD?
The BVCEO is 70 V.
- What are the typical applications of the FOD817BSD?
Typical applications include power supply regulators, digital logic inputs, microprocessor inputs, and telephone line interfaces.
- What is the operating temperature range of the FOD817BSD?
The operating temperature range is -55°C to 110°C.
- What is the storage temperature range of the FOD817BSD?
The storage temperature range is -55°C to 150°C.
- What is the highest allowable over-voltage for the FOD817BSD?
The highest allowable over-voltage is 8000 Vpeak.
- Does the FOD817BSD have any specific safety features?
Yes, it has high isolation voltage and compliance with safety standards like UL1577 and DIN EN/IEC60747-5-5.
- How does the FOD817BSD handle AC input signals?
The FOD817BSD is designed to handle AC input signals, making it suitable for AC line monitoring and other similar applications.
