| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| U431 | Vishay Siliconix | Matched N-Channel Pairs | 54 KB | 6 |  |
| U4083B-MFPG3 | Vishay Siliconix | Matched N-Channel Pairs | 54 KB | 6 | |
| U406 | INTERSIL CORPORATION | N-CHANNEL JFET | 4130 KB | 122 |  |
| U4744B | ETC | TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP | 188 KB | 1 |  |
| U4454B | TEMIC Semiconductors | Quasi-Split-Sound Processing and AM-Demodulator | 107 KB | 7 |  |
| U4488B | TEMIC Semiconductors | Quasi-Split Sound Circuit and AM Demodulator | 272 KB | 9 | |
| U430 | Vishay Siliconix | Matched N-Channel Pairs | 54 KB | 6 | |
| U4089B-M | ATMEL CORPORATION | MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT | 662 KB | 25 |  |
| U420B | ATMEL CORPORATION | MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT | 662 KB | 25 | |
| U4255BM-N | ATMEL CORPORATION | MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT | 662 KB | 25 | |
| U490B | List of Unclassifed Manufacturers | TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP | 188 KB | 1 |  |
| U4255BM-NFNG3 | List of Unclassifed Manufacturers | TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP | 188 KB | 1 | |
| U427B | List of Unclassifed Manufacturers | Interface IC | 147 KB | 0 | |
| U4089B-P | ATMEL CORPORATION | Monolithic Integrated Feature Phone Circuit | 650 KB | 26 | |
| U4790B | ETC | Automotive Lamp-Outage Monitor, VT = 8 mV, VZ(3,5) = 22 V | 64 KB | 5 | |
| U4056B1 | ETC | Automotive Lamp-Outage Monitor, VT = 8 mV, VZ(3,5) = 22 V | 64 KB | 5 | |
