There is also an accompanying case included with this set. There is a recommendation that it should be mounted with a Surface Mount type mount. The file is embedded in a 14-SOIC (0.154, 3.90mm Width) case. This device has 1 channels. For your reference, here are some Demodulator functions. It can be used in Consumer Audio. There is a supply of votage within 4.5V~6V. You can find similar parts by searching for the U2861B family. Refer to the following specifications for the device: FM. Packaging is provided by 14-SOIC.
U2861B-MFPY 71 Features
With 14-SOIC (0.154, 3.90mm Width) channels
U2861B-MFPY 71 Applications
There are a lot of Microchip Technology U2861B-MFPY 71 Audio Special Purpose applications.