| 
 | 
 
 | 
| B | 
Intel, Philips, SGS, Siemens | 
| BA | 
Fagor, GI, NS, Philips, Rohm, Telefunken | 
| BAC | 
Philips | 
| BAJ | 
Rohm | 
| BAL | 
Motorola | 
| BAR | 
Motorola, Philips, SGS | 
| BAS | 
ITT, LT, Motorola, NS, Philips, SGS, Siemens, Signetics | 
| BAT | 
ITT, Motorola, NS, Philips, SGS, Siemens | 
| BAV | 
ITT, Motorola, NS, Philips, Siemens, Telefunken, Zetex | 
| BAW | 
ITT, Motorola, NS, Philips, Siemens, Telefunken | 
| BAX | 
Motorola, Philips | 
| BAY | 
Philips | 
| BB | 
Philips, Rohm, Siemens | 
| BBY | 
FAGOR, Philips, Siemens | 
| BC | 
ITT, KEC, Motorola, NS, Philips, Rohm, Samsung, SGS, Siemens, Signetics, Toshiba | 
| BCBC | 
Motorola | 
| BCF | 
Philips | 
| BCM | 
Philips | 
| BCP* | 
MISTR, Philips, Siemens | 
| BCR | 
Mitsubishi | 
| BCS | 
Philips | 
| BCV | 
ITT, NS, Philips, SGS, Siemens | 
| BCW | 
ITT, Motorola, Philips, Rohm, Siemens, Toshiba | 
| BCX | 
Motorola, NS, Philips, Rohm, Siemens | 
| BCY | 
Motorola, Philips | 
| BD | 
Harris, Motorola, Philips, RCA, Samsung, SGS | 
| BDI | 
SGS | 
| BDS | 
Motorola, SGS | 
| BDT | 
Philips | 
| BDV | 
Philips | 
| BDW | 
Samsung, SGS | 
| BDX | 
Harris, Motorola, Samsung, SGS | 
| BF | 
Motorola, Philips, SGS, Siemens, Telefunken, Toshiba | 
| BFG | 
Philips | 
| BFN | 
Siemens | 
| BFP | 
ITT, Siemens | 
| BFQ | 
Motorola, Philips | 
| BFR | 
Motorola, Philips, Siemens, Telefunken | 
| BFS | 
Philips, Siemens | 
| BFT | 
Philips | 
| BFW | 
Philips | 
| BFY | 
Philips | 
| BG | 
Beckman | 
| BGE | 
BGE | 
| BGN | 
Philips | 
| BGX | 
Siemens | 
| BGY | 
Philips | 
| BH | 
Rohm | 
| BIX | 
Philips | 
| BLM | 
MURAT | 
| BN | 
Matsushita | 
| BPS* | 
Datel | 
| BPW | 
Telefunken | 
| BPX | 
Siemens | 
| BR | 
Philips, Rohm | 
| BRX | 
SGS | 
| BS | 
Motorola, Philips, Siliconix | 
| BSD | 
Philips | 
| BSN | 
Philips | 
| BSP | 
Philips, Siemens | 
| BSR | 
Philips, SGS | 
| BSS | 
Motorola, Philips, Siemens, Supertex, Zetex | 
| BST | 
Philips | 
| BSV | 
Motorola, Philips | 
| BSX | 
Philips | 
| BT | 
Brooktree, Philips, SGS | 
| BTA | 
Philips, SGS | 
| BTB | 
SGS | 
| BTV | 
Philips | 
| BTW | 
SGS | 
| BU | 
Harris, Motorola, Philips, Rohm, Samsung, Sanyo, SGS, Siemens | 
| BUF | 
AD, PMI | 
| BUH | 
Motorola, SGS | 
| BUK | 
Philips, SGS | 
| BUL | 
Motorola, SGS | 
| BUP | 
Siemens | 
| BUS | 
SGS | 
| BUT | 
Motorola, Philips, Samsung, SGS | 
| BUV | 
Motorola, Philips, SGS, Telefunken | 
| BUW | 
Philips, SGS | 
| BUX | 
SGS | 
| BUZ | 
Harris, Philips, Samsung, SGS, Siemens, Siliconix | 
| BV | 
Samsung | 
| BX | 
Motorola | 
| BX | 
Sony | 
| BXV | 
Philips | 
| BXZ | 
Philips | 
| BY | 
FAGO, GI, Philips, SGS, Telefunken | 
| BYD | 
Philips | 
| BYH | 
GI | 
| BYK | 
Telefunken | 
| BYM | 
GI, Philips | 
| BYQ | 
Philips | 
| BYR | 
Philips | 
| BYT | 
Philips, SGS, Telefunken | 
| BYV | 
GI, Harris, OHMIT, Philips, Siliconix, Telefunken | 
| BYW | 
GI, Philips, SGS, Telefunken | 
| BZD | 
Philips | 
| BZI | 
Philips | 
| BZT | 
Philips | 
| BZV | 
Philips, SGS | 
| BZW | 
Philips, SGS | 
| BZX | 
Diode, GI, Harris, ITT, Motorola, NEC, NS, Philips, SGS, Telefunken, Zetex | 
| BZY | 
SGS | 
| BZZX | 
Motorola |