66 manufacturers starting with U
- U-Blox (121 parts)
- U.B (5 parts)
- Ubicom (15 parts)
- Ubiq (10 parts)
- Ubon (7 parts)
- UC (5 parts)
- UCC (77 parts)
- UDE (37 parts)
- UDT (7 parts)
- UE (5 parts)
- UJU (1 parts)
- Uknown (12 parts)
- UL (7 parts)
- Uline (12 parts)
- Ultr (5 parts)
- Ultra Source (5 parts)
- Ultra-Tronix (10 parts)
- Ultronix (35 parts)
- UMC (99 parts)
- Umec (106 parts)
- UMI (5 parts)
- Umpco (5 parts)
- UMS (14 parts)
- Unchecked (77 parts)
- UNI (22 parts)
- Uni Power (17 parts)
- Unichip (5 parts)
- Unicom (29 parts)
- Unigen (24 parts)
- Unimax (74 parts)
- Unioh (12 parts)
- Uniohm (28 parts)
- Union (7 parts)
- Unisem (5 parts)
- Unisonic (46 parts)
- United (8 parts)
- United Chemi-Con (6,418 parts)
- UnitedSiC (23 parts)
- Unitrode (299 parts)
- Unitrode Integrated Circuits C (66 parts)
- Universal Air Filter (5 parts)
- Universal Micro (5 parts)
- Universal Microelectronics (7 parts)
- Unizon (5 parts)
- Unkno (200 parts)
- UPI (18 parts)
- Upi Micro Power Intellect (5 parts)
- uPI SEMI (1 parts)
- URT (10 parts)
- US Digital (7 parts)
- US Sensor (5 parts)
- USA (9 parts)
- Usa Ferrico (5 parts)
- USC (9 parts)
- Uscc (22 parts)
- Usci (7 parts)
- Ushio (18 parts)
- USI (34 parts)
- Ustf (9 parts)
- UTC (87 parts)
- Utech (20 parts)
- UTK (5 parts)
- UTM (5 parts)
- Utmc (9 parts)
- Utron (14 parts)
- UWI (11 parts)