| Компонент | Описание | Производитель | PDF | Buy |
| AQV257A | HE (High-function Economy) Type [1-Channel (Form A) Type] | Nais(Matsushita Electric Works) |  |  |
| 1N5257A | 1/2 Watt ZENER DIODES | First Components International | | |
| 1N5257A | 1/2 Watt ZENER DIODES | First Components International | | |
| 1N5257A | GLASS ZENER DIODES 500 MILLIWATTS 2.4-200 VOLTS | New Jersey Semi-Conductor Products, Inc. | | |
| 74F257A | Quad 2-line to 1-line selector/multiplexer, non-inverting 3-State | NXP Semiconductors | | |
| 74F257A | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor | | |
| 54F257A | Quad 2-Input Multiplexer with TRI-STATE Outputs | National Semiconductor | | |
| LL5257A | m Watt ZENER DIODES (2.4V to 62V) Mechanical Dimensions | First Components International | | |
| LVC257A | Quad 2-input multiplexer with 5 Volt tolerant inputs/outputs (3-State) | NXP Semiconductors | | |
| TW0257A | SMD 7.0x5.0 66MHz Crystal Oscillator | Tai-Saw Technology Co., Ltd | | |
| RT7257A | 3A, 18V, 340kHz Synchronous Step-Down Converter | Richtek Technology Corporation | | |
| TA0257A | SAW Filter 868.30MHz SMD3.8X3.8mm | Tai-Saw Technology Co., Ltd | | |
| TB0257A | SAW IF Filter 36.125MHz for Digital Cable TV | Tai-Saw Technology Co., Ltd | | |
| SF2257A | Precision IF SAW Filter | RF Monolithics, Inc | | |
| W24257A | 32K X 8 High Speed CMOS Static RAM | Winbond | | |
| ZD5257A | 500mW Zener Diode Series | Cystech Electonics Corp. | | |
| CLL5257A | SILICON ZENER DIODES | Continental Device India Limited | | |
| 54LS257A | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor | | |
| CBT3257A | Quad 1-of-2 multiplexer/demultiplexer | NXP Semiconductors | | |
| 2SD1257A | Silicon NPN epitaxial planar type(For power switching) | Panasonic Semiconductor | | |
