![Semelab](/logo/Semelab.png)
Semelab - > TT Electronics plc
Bipolar NPN Device in a Hermetically sealed TO3 Metal Package
![Comset](/logo/Comset.png)
Comset Semiconductors
EPITAXIAL-BASE NPN - PNP
![BOCA](/logo/BOCA.png)
Boca Semiconductor
SILICON NPN POWER TRANSISTORS
![Comset](/logo/Comset.png)
Comset Semiconductors
EPITAXIAL-BASE TRANSISTORS
![Iscsemi](/logo/Iscsemi.png)
Inchange Semiconductor
Silicon NPN Power Transistor
![ETC](/logo/ETC.png)
Unspecified
(18) TO-3 CAN PACKAGE SERIES