| 1638441 | U2703 | POWER MOSFET | International Rectifier |
| 1638442 | U2705 | HEXFET POWER MOSFET | International Rectifier |
| 1638443 | U2716D | Static (2k x 8) bit EPROM, possibly equivalent I2716 | RFT |
| 1638444 | U2730B-N | L-band down-converter incl. PLL for DAB receivers | Atmel |
| 1638445 | U2730BB | L-Band Down-Converter for DAB Receivers | TEMIC |
| 1638446 | U2731B | DAB one-chip Front End | Atmel |
| 1638447 | U2731B-NFN | DAB ONE- CHIP FRONT END | Atmel |
| 1638448 | U2731B-NFNG1 | DAB ONE- CHIP FRONT END | Atmel |
| 1638449 | U2731BA | DAB One-Chip Front End | TEMIC |
| 1638450 | U2732C | Static (4k x 8) bit EPROM, possibly equivalent I2732 | RFT |
| 1638451 | U2733B-C | Fractional-N Frequency Synthesizer for DAB Tuner | TEMIC |
| 1638452 | U2733BD | Fractional-N Frequency Synthesizer for DAB Tuner | TEMIC |
| 1638453 | U2735BB | L-Band Down-Converter for a DAB Receiver | TEMIC |
| 1638454 | U2739M | DAB One-Chip Channel- and Source / Data Decoder | TEMIC |
| 1638455 | U2739M-B | DAB one-chip channel- and source decoder | Atmel |
| 1638456 | U2740B | UHF AM/FM Transmitter | TEMIC |
| 1638457 | U2740B-BFP | UHF AM/FM Transmitter | TEMIC |
| 1638458 | U2741B | UHF remote control transmitter | Atmel |
| 1638459 | U2741B | UHF ASK/FSK Transmitter | TEMIC |
|
| 1638460 | U2741B-NFB | UHF ASK/FSK TRANSMITTER | Atmel |
| 1638461 | U2741B-NFBG3 | UHF ASK/FSK TRANSMITTER | Atmel |
| 1638462 | U2745B | UHF ASK transmitter | Atmel |
| 1638463 | U2745B-MFB | UHF ASK TRANSMITTER | Atmel |
| 1638464 | U2745B-MFBG3 | UHF ASK TRANSMITTER | Atmel |
| 1638465 | U2750B-A | Tuner IC for DAB | TEMIC |
| 1638466 | U2750BB | Tuner IC for DAB | TEMIC |
| 1638467 | U2752M | Digital I/Q-Generator Chip for DAB | TEMIC |
| 1638468 | U2753B-C | PLL for DAB Tuner | TEMIC |
| 1638469 | U2754BB | Frequency Synthesizer for DAB L-Band Down-Converter | TEMIC |
| 1638470 | U2755BB | DAB L-Band Down-Converter | TEMIC |
| 1638471 | U2758MB | DAB Channel Decoder | TEMIC |
| 1638472 | U2759B | IF Signal Processing for DAB | TEMIC |
| 1638473 | U2760B | CT2-RX/TX IC | TEMIC |
| 1638474 | U2760B | CT2-RX / TX IC | TEMIC |
| 1638475 | U2761B | DECT RF / IF IC | TEMIC |
| 1638476 | U2762B | 900-MHz ISM Band Receiver | TEMIC |
| 1638477 | U2763B | 900-MHz ISM Band Transmitter | TEMIC |
| 1638478 | U2780B-AFP | Frequency Synthesizer | TEMIC |
| 1638479 | U2781B | Frequency Synthesizer | TEMIC |
| 1638480 | U2781B-FS | Frequency Synthesizer | TEMIC |
