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The IS280 is an optocoupler (optoisolator) manufactured by ISOCOM. Below are the factual specifications, descriptions, and features of the device:

Specifications:

• Type: Phototransistor Optocoupler
• Input Type: Infrared LED
• Output Type: Phototransistor
• Isolation Voltage: 5000Vrms (min)
• Current Transfer Ratio (CTR): 20% to 600% (depending on model variant)
• Collector-Emitter Voltage (VCEO): 30V (min)
• Forward Current (IF): 60mA (max)
• Power Dissipation: 150mW (max)
• Response Time: 3μs (rise time), 4μs (fall time)
• Operating Temperature Range: -55°C to +100°C
• Package Type: DIP-4 (Dual Inline Package, 4-pin)

Descriptions:

The IS280 is a high-reliability optocoupler designed for signal isolation in electronic circuits. It consists of an infrared LED optically coupled to a phototransistor, providing electrical isolation between input and output. It is commonly used in power supply feedback, industrial controls, and communication systems.

Features:

• High Isolation Voltage: Ensures safety in high-voltage applications.
• Wide CTR Range: Available in multiple CTR grades for different sensitivity requirements.
• Fast Switching Speed: Suitable for digital signal isolation.
• Compact DIP-4 Package: Easy to integrate into PCB designs.
• Reliable Performance: Long operational lifespan under specified conditions.

For exact parameters, refer to the manufacturer's datasheet for the specific IS280 variant.