A122 Philips HEF4051BP 8-Channel Analog Multiplexer/Demultiplexer IC, CMOS Logic, 16-Pin DIP (CD4051B Equivalent)

The Philips HEF4051BP is a high-versatility CMOS integrated circuit designed for switching both analog and digital signals. Featuring three binary control inputs and an inhibit input, it allows you to select one of eight channels with high precision and low "on" resistance. This chip is a standard in signal routing, data acquisition, and audio/video switching systems.

Key Technical Specifications

• Function: 8-Channel Analog Multiplexer/Demultiplexer

• Technology: Locos CMOS (HE4000B Family)

• Number of Channels: 8 Single-ended channels

• Package Type: 16-Pin PDIP (Plastic Dual In-Line Package)

• Operating Voltage: 3V to 15V

• Input/Output Voltage: Can handle signals up to the supply voltage

• Features: Low crosstalk between switches and high noise immunity

Applications

• Signal Routing: Expanding the number of analog inputs on microcontrollers (like Arduino or ESP32).

• Audio/Video Switching: Routing multiple media signals to a single processor.

• Data Acquisition: Sequential monitoring of multiple sensors in industrial systems.

• Digital Logic: Implementing complex logic functions or digital data distribution.

• Programmable Gain: Adjusting signal paths in operational amplifier circuits.

Why Choose the HEF4051BP?

• Bi-directional: Can be used as either a multiplexer (8-to-1) or a demultiplexer (1-to-8).

• Reliability: The HEF series from Philips (now Nexperia) is known for its robust performance and wide operating temperature range.

• Industry Standard: Fully pin-compatible with the CD4051B, MC14051, and other 4051 series logic chips.

🚚 Fast & Reliable Delivery Across India

We strive to ensure a smooth and quick delivery experience for all our customers.

• 
  Same-Day Dispatch: All orders are usually dispatched on the same day, with daily cut-off around 4:00 PM IST.
  
• 
  Delivery Time: You can expect your order to reach you within 4–5 working days, depending on your location.
  
• 
  Pan India Shipping: We deliver across all cities and villages in India, so no matter where you are, we’ve got you covered.
  
• 
  Trusted Courier Partners: Your orders are shipped through reliable logistics partners like DTDC and Delhivery to ensure safe and timely delivery.
  

💡 Whether it’s a metro city or a remote village, you don’t need to worry — we make sure your order reaches you securely.

🎥 Watch Product Review & Testing Video

Explore the complete review and real-time testing of this product on our YouTube channel SLV INDIA to understand its performance and quality before you buy.

🤝 Collaborate With Us

Are you a content creator interested in featuring this product? We’d love to work with you!

📩 Email: info@slvsales.in

📞 Call/WhatsApp: +91 98888 24825