Wurlitzer Phonograph Division Service Department

TRANSISTOR IDENTIFICATION

NOTE: Transistors incorporated in the Wurlitzer Phonographs can usually be identified by three numbers stamped on the case. These numbers correspond to the last three digits of the Wurlitzer Part Number. Example: A transistor labeled 650 could be identified as a 132650.

Part No	Remarks	Identification
131262
131710	Some are identified

by F 710.
l31782	Option for 131710
132650	Unijunction transistor
137480	Some are identified by KA6471
138380	Some are identified by EP327
13789	-1 Brown

-2 Red

-3 Orange

-4 Yellow

-5 Green	Color identification usually appears on top
140612
140622

140623

140624	Option for 142346

Option for 142347

Some are identified by 3KA 5881

Option for 142348
140625

140626
140770	140770 is a TRIAC, which is part of the TRIAC and HEATSINK ASSEMBLY

(Part No. 140769)
142346

142347

142348	Option for 140622

Option for 142623

Option for 140624

.