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MM1803 page 2
Page 2

MM1803 Description

3137 2N (SILICON) MM1803 CASE 31 (TO-5) NPN silicon annular transistors for large signal VHF and UHF applications. ID = 3/16" length 1/2") L1 = 3/4 turn No. 14 tinned wire 3/8" ID L2 = 4 turns No.