| Компонент | Описание | Производитель | PDF | Buy |
| K7257M | SAW Components | List of Unclassifed Manufacturers |  |  |
| RL257M | 2.5A General Purpose Silicon Rectifier | TAITRON Components Incorporated | | |
| V4257M | Optocoupler, Phototriac Output, High dV/dt, Low Input Current | Vishay Siliconix | | |
| X7257M | SAW Components Bandpass Filter | EPCOS | | |
| AQV257M | PhotoMOS relay, HE (high-function economy) type [1-channel (form A) type] - soft ON/OFF operation. Output rating: load voltage 200 V, load current 250 mA. Through hole terminal, tube packing style. | Nais(Matsushita Electric Works) | | |
| 74AC257M | QUAD 2 CHANNEL MULTIPLEXER 3-STATE | STMicroelectronics | | |
| FST3257M | Quad 2:1 Multiplexer/Demultiplexer Bus Switch | Fairchild Semiconductor | | |
| NJM2257M | SYNCHRONOUS SEPARATOR WITH AFC | New Japan Radio | | |
| 1937X257M | LED Indicator 16mm Standard Bezel with Round Lens | Chicago Miniature Lamp,inc | | |
| 1938X257M | LED Indicator 16mm Standard Bezel with Flat Lens | Chicago Miniature Lamp,inc | | |
| 1939X257M | LED Indicator 16mm Standard Bezel with Conical Lens | Chicago Miniature Lamp,inc | | |
| 74ACT257M | QUAD 2 CHANNEL MULTIPLEXER 3-STATE | STMicroelectronics | | |
| 74ACT257M | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | STMicroelectronics | | |
| 74LCX257M | Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs | Fairchild Semiconductor | | |
| 74LVX257M | LOW VOLTAGE CMOS QUAD 2 CHANNEL MULTIPLEXER (3-STATE) WITH 5V TOLERANT INPUTS | STMicroelectronics | | |
| FSTU3257M | Quad 2:1 Multiplexer/Demultiplexer Bus Switch with -2V Undershoot Protection | Fairchild Semiconductor | | |
| FSTU3257M | Quad 2:1 Multiplexer/Demultiplexer Bus Switch with 2V Undershoot Protection | Fairchild Semiconductor | | |
| DM74AS257M | 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers | Fairchild Semiconductor | | |
| DM74AS257M | 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers | Fairchild Semiconductor | | |
| CD74AC257M | Quad 2-Input Multiplexer with Three-State Outputs | Texas Instruments | | |
