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ONSEMI FSA1256L8X Dual Analog Switch

The FSA1256 series are high-performance dual SPST analog switches with ultra-low on-resistance of 1.1 Ω at 4.5 V, fabricated with CMOS technology for fast switching. Suitable for portable devices like cell phones, PDAs, digital cameras, and LCD monitors, these switches feature broad voltage ranges from 1.65 V to 5.5 V (FSA1256, FSA1257, FSA1258) and 2.7 V to 5.5 V (A variants). They operate with TTL-compatible control inputs, have fast turn-on/turn-off times, and are packaged in space-saving MicroPak™ packages, making them ideal for high-speed analog switching applications in compact electronics.

Authorized Distributors
Part No:FSA1256L8X
Stock:305
Inv Date:06-11-2026
Price: Unit price: $1.1
Buy/RFQ:

ONSEMI FSA1256L8X Dual Analog Switch Specifications:

  • Supply Voltage: 1.65 V to 5.5 V for FSA1256, FSA1257, FSA1258
  • Supply Voltage: 2.7 V to 5.5 V for FSA1256A, FSA1257A, FSA1258A
  • On Resistance (Ron): Max 1.1 Ω at 4.5 V supply
  • Flatness (Ron): Max 0.49 Ω at 4.5 V supply
  • Control Input: TTL compatible, over-voltage tolerant
  • Switch Type: Dual SPST, with normally open and normally closed configurations
  • Package: MicroPak™, 8-lead, 1.6 mm wide
  • Turn-On/Off Time: Fast switching times in nanoseconds
  • Application: Mobile phones, digital cameras, LCD monitors, set-top boxes
  • Operating Temperature: -40°C to +85°C
  • Maximum Junction Temperature: 150°C
  • Power Dissipation: 180 mW at 85°C
  • Storage Temperature: -65°C to +150°C
  • Peak Switch Current: 400 mA (pulsed at 10 ms)
  • Input Voltage: Up to 6 V, with diode protection
  • Certifications: RoHS compliant, Space-saving Pb-free MicroPak™ packaging

Buy the Buy ON Semiconductor FSA1256L8X Part Number FSA1256L8X Online

Purchase the ON Semiconductor FSA1256L8X today to ensure your electronic projects benefit from an ultra-low resistance, fast switching, and space-efficient dual analog switch. Designed for portable applications like cell phones, LCDs, and cameras, this high-quality component is available with space-saving MicroPak™ packaging for easy integration. Enjoy swift delivery and secure online ordering to enhance your design with dependable switching performance and broad voltage compatibility, ensuring optimal performance in compact and high-speed electronic devices.

Order your ON Semiconductor FSA1256L8X dual SPST analog switch today and equip your portable devices with reliable, high-speed switching performance.

Frequently Asked Questions

Where can I buy ONSEMI FSA1256L8X?

You can click on the BUY or RFQ button to purchase FSA1256L8X from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FSA1256L8X?

You can download the FSA1256L8X datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FSA1256L8X?

ONSEMI

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