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Manufacturer Part #


NLAS4157 Series SPDT 5.5 V 4 Ohm Surface Mount Analog Switch - SOT-363

Product Specification Section
Technical Attributes
Attributes Table
No of Channels: 1
Circuitry: SPDT
Supply Current: 0.5µA
ON Resistance: 0.8Ω
Supply Voltage: 1.65V to 5.5V
Package Style:  SOT-363 (SC-70-6, SC-88)
Mounting Method: Surface Mount
Features & Applications

The NLAS4157 is a low RON SPDT analog switch. This device is designed for low operating voltage, high current switching of speaker output for cell phone applications. It can switch a balanced stereo output. The NLAS4157 can handle a balanced microphone/speaker/ringtone generator in a monophone mode. The device contains a break−before−make (BBM) feature.

Key Features:

  • Single Supply Operation: 1.65 V to 5.5 V VCC Function Directly from LiON Battery
  • Tiny SC88 6−Pin Pb−Free Package: Meets JEDEC MO−220 Specifications
  • RON Typical = 0.8 Ω @ VCC = 4.5 V
  • Low Static Power
  • This is a Pb−Free Device


  • Cell Phone Speaker/Microphone Switching
  • Ringtone−Chip/Amplifier Switching
  • Stereo Balanced (Push−Pull) Switching

Important Information:

  • Ringtone−Chip/Amplifier Switching
  • Continuous Current Rating Through each Switch ±300 mA
  • Conforms to: JEDEC MO−220, Issue H, Variation VEED−6
  • Pin for Pin Compatible with FSA4157
Pricing Section
Web Price:
$0.27 USD Each
Cost Per Unit
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$7.00 reeling fee is amortized over the number of components for each reel.
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