| R |
AMD, Intel, Radisys, Raytheon, Rockwell, Seiko |
| Ray |
Raytheon |
| RBV |
Sanken |
| RC |
Raytheon, Rockwell, TI |
| RC-C |
Rockwell |
| RD |
EGG Reticon, Hitachi, NEC, Toshiba |
| REF |
AD, LT, Maxim, PMI |
| RF |
EGG Reticon, Motorola, Toshiba |
| RFC-S |
NYTR |
| RFD |
Altera, Harris |
| RFG |
Harris |
| RFH |
Harris |
| RFL |
Harris |
| RFM |
Harris |
| RFP |
Harris, Samsung |
| RG |
Sanken |
| RGF |
GI |
| RGP |
GI |
| RH |
Ricoh |
| RHRG |
Harris |
| RHRP |
Harris |
| RJC |
Kyocera |
| RLR |
Rohm |
| RLS |
Rohm |
| RLZ |
Rohm |
| RM |
EGG Reticon, Raytheon |
| RN |
Philips, Rohm, Toshiba |
| RPE |
MURAT |
| RPT |
AD |
| RPT |
PMI |
| RS |
DALE, GI, MICSE, Motorola, Rockwell, SGS |
| RT |
EGG Reticon |
| RTF |
SGS |
| RU |
EGG Reticon, Rohm |
| RUP |
Harris |
| RUR |
Harris |
| RURD |
Harris |
| RURP |
Harris |
| RURU |
Harris |
| RYT |
SGS |
