The 2N3904 is a silicon NPN small-signal bipolar transistor intended for amplifier and switching service in a TO-92 through-hole package. It is rated for 60 V collector-base voltage, 40 V collector-emitter voltage, and 6.0 V emitter-base voltage, with a maximum collector-base cutoff current of 50 nA at 30 V. At VCE = 1.0 V and IC = 10 mA, DC current gain is specified from 100 to 300, and collector-emitter saturation voltage is 0.30 V maximum at 50 mA. The device also lists 4.0 pF output capacitance, 300 MHz transition frequency, 5.0 dB noise figure, 250 ns turn-off time, and 150°C maximum operating temperature.
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Central Semiconductor 2N3904 technical specifications.
| Max Operating Temperature | 150 |
| Number of Terminals | 3 |
| Terminal Position | BOTTOM |
| JEDEC Package Code | TO-92 |
| Pin Count | 3 |
| Number of Elements | 1 |
| RoHS | Yes |
| Eccn Code | EAR99 |
| Lead Free | No |
| HTS Code | 8541.21.00.75 |
| REACH | not_compliant |
| Military Spec | False |
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