How the connections are mapped.
The map contains the 33 authorised lines listed by BBS. Solid connections indicate published brand families. Dashed connections indicate broad, shared product areas from manufacturer catalogues. Product overlap does not imply ownership, equivalent parts, stock availability or compatibility.
Qualifications, asterisks and supplier links remain as listed on the BBS source website. Manufacturer evidence below supports the additional connections. Reviewed 7 October 2026.
TT Electronics
TT Electronics Welwyn, TT Electronics IRC, TT Electronics Optek Technologies, TT Electronics BI Technologies, TT Electronics Semelab.
Littelfuse
Littelfuse, C&K (Littelfuse).
Topdiode Group
Topdiode, UF Capacitors.
Semiconductors
Diotec, Littelfuse, LRC, Maxim, Microchip, onsemi, STMicroelectronics, Topdiode, TT Electronics Semelab, UTC, Vishay, Broadcom.
Switching & interconnect
Amphenol, C&K (Littelfuse), DECA, Diptronics, Hongfa, PTR Hartmann, Salecom.
Passives
Fujicon, TT Electronics Welwyn, TT Electronics IRC, TT Electronics BI Technologies, UF Capacitors, Vishay, Walsin, Topdiode.
Optoelectronics & sensing
Excelitas, Isocom, Luminus, TT Electronics Optek Technologies, Broadcom, Vishay.
Timing & RF
NDK, Unictron, Microchip, TT Electronics Semelab, Amphenol.