• Obsolete item.
Product Overview
Digi-Key Part Number U4037B-NFLY-ND
Quantity Available 0

Manufacturer Part Number


Description Telecom IC Speech and Ringer Circuit 24-SO
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Documents & Media
Datasheets U4037B-N
Video File Introducing Atmel Studio 7
PCN Packaging Transfer to Microchip/Label/Pkg 5/Sep/2016
Product Attributes Select All

Integrated Circuits (ICs)


Interface - Telecom



Series -
Packaging ? Tube ?
Part Status Obsolete
Function Speech and Ringer Circuit
Interface -
Number of Circuits 1
Voltage - Supply 3.1 V ~ 3.6 V
Current - Supply -
Power (Watts) 520W
Operating Temperature -25°C ~ 75°C
Mounting Type Surface Mount
Package / Case 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SO
Includes DTMF, Ear Protection, MUTE
Additional Resources
Standard Package ? 360

05:06:01 12/5/2016

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