Overview
The FOD817D3SD is a phototransistor optocoupler produced by onsemi. This device 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. The FOD817D3SD is specifically designed with a current transfer ratio (CTR) range of 300-600%, making it suitable for various applications requiring high isolation and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Current Transfer Ratio (CTR) | 300-600% | - |
| Input Current (IF) | ±50 mA | mA |
| Collector-Emitter Voltage (VCEO) | 70 V | V |
| Collector-Emitter Saturation Voltage (VCE(SAT)) | 0.1-0.2 V | V |
| Input-Output Isolation Voltage (VISO) | 5000 VACRMS | VACRMS |
| Operating Temperature (TOPR) | -55 to +110 °C | °C |
| Storage Temperature (TSTG) | -55 to +150 °C | °C |
| Lead Solder Temperature (TSOL) | 260 °C for 10 s | °C |
| Package Type | SMT 4-Pin (Lead Bend) | - |
Key Features
- AC Input Response: Suitable for applications requiring AC input signals.
- High Current Transfer Ratio: CTR range of 300-600% ensures reliable signal transfer.
- High Isolation Voltage: Input-output isolation voltage of 5000 VACRMS for safe electrical insulation.
- Safety and Regulatory Approvals: Compliant with UL1577, 5,000 VACRMS for 1 minute, and DIN EN/IEC60747-5-5.
- Pb-Free and RoHS Compliant: Environmentally friendly and compliant with current regulations.
Applications
- Power Supply Regulators: Used to isolate and control power supply circuits.
- Digital Logic Inputs: Suitable for interfacing digital logic signals across different voltage domains.
- Microprocessor Inputs: Used in microprocessor systems to provide isolation and protection.
- Telephone Line Interface: Can be used in telephone line interfaces for signal isolation and protection.
Q & A
- What is the current transfer ratio (CTR) of the FOD817D3SD?
The CTR of the FOD817D3SD ranges from 300% to 600%.
- What is the maximum input current (IF) for the FOD817D3SD?
The maximum input current is ±50 mA.
- What is the collector-emitter voltage (VCEO) rating of the FOD817D3SD?
The VCEO rating is 70 V.
- What is the operating temperature range for the FOD817D3SD?
The operating temperature range is -55 to +110 °C.
- Is the FOD817D3SD Pb-free and RoHS compliant?
Yes, the FOD817D3SD is Pb-free and RoHS compliant.
- What are the safety and regulatory approvals for the FOD817D3SD?
The device is compliant with UL1577, 5,000 VACRMS for 1 minute, and DIN EN/IEC60747-5-5.
- What is the input-output isolation voltage (VISO) of the FOD817D3SD?
The input-output isolation voltage is 5000 VACRMS.
- What package types are available for the FOD817D3SD?
The device is available in SMT 4-Pin (Lead Bend) packages.
- What are typical applications for the FOD817D3SD?
Typical applications include power supply regulators, digital logic inputs, microprocessor inputs, and telephone line interfaces.
- How should the FOD817D3SD be soldered?
The lead solder temperature should not exceed 260 °C for 10 seconds.
