BL1551B SPDT Analog Switch, 350MHz Bandwidth, Low On-Resistance, SC70-6

Shanghai Belling

The BL1551B is a single-channel SPDT analog switch optimized for high-speed signal routing in portable electronic devices. Featuring an ultra-low on-resistance of 2.7Ω and a wide 350MHz bandwidth, it ensures minimal signal distortion and excellent signal integrity.
Operating from a 1.8V to 5.5V supply, the BL1551B is ideal for mobile phones and compact consumer electronics. Its SC70-6 package enables space-constrained PCB designs.

Key Specifications

  • Configuration: 1-Channel SPDT (1:2)

  • Supply Voltage (VDD): 1.8V – 5.5V

  • On-Resistance: 2.7Ω (typ)

  • Bandwidth: 350MHz

  • Package: SC70-6

  • Reference: FSA3157, NLASB3157

Applications

  • Mobile phones

  • Portable electronic devices

Features

  • Low on-resistance for low signal loss

  • Wide bandwidth for high-speed signals

  • Low voltage operation

  • Ultra-small package