The 4N28 is a single-channel, 6-pin optocoupler with a phototransistor output and a base connection. It consists of a gallium arsenide infrared LED and a silicon NPN phototransistor, allowing it to interface with common logic families. The device is suitable for applications in signal processing, power management, and communications and networking.
Isolation thickness between emitter and detector 04 mm
Comparative tracking index 175
Input forward voltage 1.3 to 15 V
Input forward current 60 mA
Collector emitter breakdown voltage 70 V
Emitter base breakdown voltage 7 V
Collector current 50 mA
Collector current (short pulse) 100 mA
Power dissipation 100-150 mW
Operating temperature -55°C to +100°C
Junction temperature 125°C
Soldering temperature (dist. 1.5mm) 260°C
Capacitance input-output 0.6 pF
Output collector-emitter breakdown 30 V
Isolation resistance >10^11 Ω at 500 V
CTR (Current Transfer Ratio) 20-50%
Switching times 2 μs rise and fall
Physical package dual-in-line 6 pin
Buy the Vishay 4N28 – Reliable Optical Isolator for Industrial Applications
Purchase the Vishay 4N28 optocoupler online today and enhance your signal isolation, communication, and power systems with our high-quality optical components. This reliable device features gallium arsenide infrared LED and silicon NPN phototransistor for excellent interface compatibility. Its 5000 Vams isolation voltage, fast switching times of 2 μs, and robust package ensure durability and high performance across industrial applications such as power supplies, signal processing, and networking. Order now for quick delivery and expert support.
Buy Vishay 4N28 now and experience unmatched reliability and performance in signal isolation and power management.
Frequently Asked Questions
Where can I buy Vishay 4N28?
You can click on the BUY or RFQ button to purchase 4N28 from an authorized Vishay distributor.
How do I troubleshoot issues or seek technical support for part 4N28?
You can download the 4N28 datasheet or visit the Vishay website for support.
Who is the manufacturer of 4N28?
Vishay
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