| 1557121 | TCM1531 | Telephone Tone Ringer Drivers | Texas Instruments |
| 1557122 | TCM1531P | Telephone Tone Ringer Drivers 8-PDIP | Texas Instruments |
| 1557123 | TCM1532 | (TCM1531/TCM1536/TCM1539) Telephone Tone Ringer Drivers | Texas Instruments |
| 1557124 | TCM1532P | Telephone Tone Ringer Drivers 8-PDIP | Texas Instruments |
| 1557125 | TCM1536 | Telephone Tone Ringer Drivers 8-PDIP | Texas Instruments |
| 1557126 | TCM1536P | Telephone Tone Ringer Drivers 8-PDIP | Texas Instruments |
| 1557127 | TCM1617 | Datasheet and Other Documentation | Microchip |
| 1557128 | TCM1617EV | SMBus Thermal Sensor with External Diode Input | Microchip |
| 1557129 | TCM1617MQR | SMBus Thermal Sensor with External Diode Input | Microchip |
| 1557130 | TCM1703 | TCM1703 POLARITY PROTECTION BRIDGE | Texas Instruments |
| 1557131 | TCM1705A | TCM1705A INTEGRATED SPEECH CIRCUIT FOR TELEPHONE SET | Texas Instruments |
| 1557132 | TCM1A105M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557133 | TCM1A106M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557134 | TCM1A225M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557135 | TCM1A475M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557136 | TCM1C105M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557137 | TCM1C225M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557138 | TCM1C475M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557139 | TCM1D225M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
|
| 1557140 | TCM1E105M8R | Tantalum Capacitors (Bottom surface electrode : Large capacitance) | ROHM |
| 1557141 | TCM2010 | Common Mode Choke Coils for Signal Line SMD | etc |
| 1557142 | TCM2010-101-4P | Common Mode Choke Coils for Signal Line SMD | etc |
| 1557143 | TCM2010-201-4P | Common Mode Choke Coils for Signal Line SMD | etc |
| 1557144 | TCM2911A | PCM A-Law codec | Texas Instruments |
| 1557145 | TCM29C13 | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557146 | TCM29C13A | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557147 | TCM29C13ADW | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557148 | TCM29C13ADWR | u-law and A-law, 1.536, 1.544, 2.048 MHz, Enhanced Noise Reduction 20-SOIC 0 to 70 | Texas Instruments |
| 1557149 | TCM29C13AN | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557150 | TCM29C13DW | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557151 | TCM29C13DWR | u-law and A-law, 1.536, 1.544, 2.048 MHz 20-SOIC | Texas Instruments |
| 1557152 | TCM29C13N | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557153 | TCM29C14 | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557154 | TCM29C14A | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557155 | TCM29C14ADW | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557156 | TCM29C14ADWR | u-law and A-law, 1.536, 1.544, 2.048 MHz, Enhanced Noise Reduction, 8th-Bit Signaling 24-SOIC | Texas Instruments |
| 1557157 | TCM29C14DW | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557158 | TCM29C14DWR | u-law and A-law, 1.536, 1.544, 2.048 MHz, 8th-Bit Signaling 24-SOIC | Texas Instruments |
| 1557159 | TCM29C16 | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
| 1557160 | TCM29C16A | COMBINED SINGLE-CHIP PCM CODEC AND FILTER | Texas Instruments |
