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Vishay 4N27 Phototransistor Optocoupler
The 4N27 is a single-channel, 6-pin optocoupler featuring a phototransistor output with a base connection. It incorporates a gallium arsenide infrared LED and a silicon NPN phototransistor, making it suitable for applications like AC mains detection, relay driving, telephone ring detection, and electrical isolation in logic circuits. Designed for high-frequency noise rejection, it supports interfacing with common logic families, operates at a reverse voltage of 5V, and is ideal for power management, communication, and industrial systems requiring electrical isolation and reliable signal coupling.
Vishay 4N27 Phototransistor Optocoupler Specifications:
- Isolation test voltage: 5000 Vams
- Input: Reverse voltage 5 V, Forward current 60 mA, Surge current 3 A, Power dissipation 100 mW
- Output: Collector-emitter breakdown voltage 70 V, Emitter-base breakdown voltage 7 V, Collector current 50 mA, Power dissipation 150 mW
- Maximum operating temperature: -55°C to +100°C, Junction temperature: 125°C
- Physical: 6-pin DIP package, Dimensions similar to standard optocouplers, Isolation thickness ≥ 4 mm
- Electrical: Capacitance input-output < 0.6 pF, CTR (current transfer ratio): 20-50%, Rise/fall time: ~2 μs
- Agency approvals: UL1577, BSI EN standards, FIMKO certifications
- Designed for high-frequency operation, noise rejection, ideal for AC mains detection, relay control, and industrial automation
Buy the Vishay 4N27 – Reliable Optocoupler for Industrial Applications
Purchase the Vishay 4N27 optocoupler online today to experience excellent electrical isolation and high-speed switching. Its advanced phototransistor output with a base connection ensures optimal performance in power management, communication, and industrial automation. With a 5V reverse voltage rating and high CTR, it provides reliable signal coupling and high-frequency noise rejection, making it suitable for AC mains detection, relay driving, and telephone ring detection. Get yours now and integrate dependable isolation into your projects effortlessly.
Order your Vishay 4N27 optocoupler today and ensure precise electrical isolation with high-frequency noise rejection for industrial and communication systems.
Frequently Asked Questions
Where can I buy Vishay 4N27?
You can click on the BUY or RFQ button to purchase 4N27 from an authorized Vishay distributor.
How do I troubleshoot issues or seek technical support for part 4N27?
You can download the 4N27 datasheet or visit the Vishay website for support.
Who is the manufacturer of 4N27?
Vishay