| 186201 | A210E,K | 6W Low Frequency amplifier, possibly equivalent TBA810AS | RFT |
| 186202 | A211D | 1W low frequency amplifier, possibly equivalent TAA611 | RFT |
| 186203 | A2181A-08SR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186204 | A2181A-08ST | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186205 | A2181A-08TR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186206 | A2181A-08TT | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186207 | A2181B-08TR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186208 | A2181B-08TT | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186209 | A2182A-08SR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186210 | A2182A-08ST | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186211 | A2182A-08TR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186212 | A2182A-08TT | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186213 | A2182B-08TR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186214 | A2182B-08TT | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186215 | A2184A-08SR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186216 | A2184A-08ST | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186217 | A2184A-08TR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186218 | A2184A-08TT | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186219 | A2184B-08TR | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
|
| 186220 | A2184B-08TT | 3.3 V, 3 MHz to 78 MHz, general purpose EMI reduction IC | Alliance Semiconductor |
| 186221 | A21SP16 | 3 W filter-free class-D audio power amplifier | ST Microelectronics |
| 186222 | A21SP16J | 3 W filter-free class-D audio power amplifier | ST Microelectronics |
| 186223 | A220 | PNP Silicon Transistor | AUK Corp |
| 186224 | A220 | GaAs MMIC Down Converter for Micro Wave Application | Hitachi Semiconductor |
| 186225 | A220 | N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages | National Semiconductor |
| 186226 | A220 | High-speed diode | Philips |
| 186227 | A220D | FM IF amplifier and demodulator, possibly equivalent TBA120S | RFT |
| 186228 | A223 | Low Power/ Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS | Burr Brown |
| 186229 | A223 | OptiMOS-P Small-Signal-Transistor | Infineon |
| 186230 | A223 | EPITAXIAL PLANAR PNP TRANSISTOR (HIGH CURRENT SWITCHING/ INTERFACE CIRCUIT AND DRIVER CIRCUIT) | Korea Electronics (KEC) |
| 186231 | A223 | RDS Decoder | SANYO |
| 186232 | A223D | FM IF amplifier and demodulator, possibly equivalent TBA120U | RFT |
| 186233 | A224D | Tone IF amplifier and demodulator, selection with piezo ceramic filter | RFT |
| 186234 | A225D | FM IF amplifier and demodulator, AFC, muting, field strength advertisement, possibly equivalent TDA1047 | RFT |
| 186235 | A22H165 | High-performance class-G stereo headphone amplifier | ST Microelectronics |
| 186236 | A22H165J | High-performance class-G stereo headphone amplifier | ST Microelectronics |
| 186237 | A22H165M | High-performance class-G stereo headphone amplifier with I2C volume control | ST Microelectronics |
| 186238 | A22H165MJ | High-performance class-G stereo headphone amplifier with I2C volume control | ST Microelectronics |
| 186239 | A231 | 10 TO 250 MHz CASCADABLE AMPLIFIER | Tyco Electronics |
| 186240 | A231D | RGB-Matrix | RFT |
