| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74HC4520D | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT109 | - | - | - | 55 K |
| 74HC4520DB | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT338 | - | - | - | 55 K |
| 74HCT4520D | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT109 | - | - | - | 55 K |
| 74HCT4520DB | Dual 4-bit synchronous binary counter | Philips-Semiconductors | SOT338 | - | - | - | 55 K |
| BU2520DF | Silicon Diffused Power Transistor | Philips-Semiconductors | - | - | - | - | 68 K |
| BU2520DF | Silicon Diffused Power Transistor | Philips-Semiconductors | - | - | - | - | 68 K |
| BU2520DW | Silicon Diffused Power Transistor | Philips-Semiconductors | - | - | - | - | 71 K |
| BU2520DX | Silicon Diffused Power Transistor | Philips-Semiconductors | - | - | - | - | 70 K |
| BU2520DX | Silicon Diffused Power Transistor | Philips-Semiconductors | - | - | - | - | 70 K |
| SN74ALS520DW | OCTAL BINARY/BCD IDENTITY COMPARATORS WITH ENABLE | Texas-Instruments | DW | 20 | 0°C | 70°C | 138 K |
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