| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 1N4557A | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 116 K |
| 1N4557B | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 116 K |
| 2SC4557 | Transistor For Switch Mode Power Supply | Sanken-Electric-Co- | - | - | - | - | 25 K |
| LA4557 | 2-channel AF power amp for radio, tape recoder use | SANYO-Electric-Co--Ltd- | DIP12F | 12 | -20°C | 75°C | 273 K |
| MC145572FN | ISDN U-interface transceiver | Motorola | PLCC | 44 | -40°C | 85°C | 267 K |
| MC145572PB | ISDN U-interface transceiver | Motorola | PQFP | 44 | -40°C | 85°C | 267 K |
| MC145574PB | ISDN S/T interface transceiver | Motorola | PQFP | 32 | -40°C | 85°C | 371 K |
| MC14557BF | 1-to-64 Bit Variable Length Shift Register | ON-Semiconductor | MFP | 16 | - | - | 169 K |
| MC14557BFEL | 1-to-64 Bit Variable Length Shift Register | ON-Semiconductor | MFP | 16 | - | - | 169 K |
| MC14557BFL1 | 1-to-64 Bit Variable Length Shift Register | ON-Semiconductor | MFP | 16 | - | - | 169 K |
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