BSN254; BSN254A is an N-channel enhancement mode vertical D-MOS transistor, which has direct interface to C-MOS, TTL, etc. It is suitable for applications such as line current interruptor in telephone sets, relay, high-speed and line transformer drivers.
The document is a product specification sheet for the BSN254 and BSN254A, which are N-channel enhancement mode vertical D-MOS transistors available in SOT54 (TO-92) variant packages. Key features include direct interface compatibility with C-MOS and TTL, high-speed switching capabilities, no secondary breakdown, and low on-state resistance.
| Drain-source voltage (DC) | - 250 V |
|---|---|
| Drain current (DC) | - 310 mA |
| Total power dissipation | - 1W |
| Drain-source on-state resistance (typical) | 2.8 Ω |
| Gate-source threshold voltage (typical) | 0.8-2V |
It is used as a line current interruptor in telephone sets and as a driver for relays, high-speed circuits, and line transformers.
The transistor comes in a SOT54 (TO-92) variant package.