2SB1690K is a general purpose amplifier for low frequency amplification and driving. It has a large collector current and low collector saturation voltage. The external dimensions are ROHM:SMT3, EIAJ:SC-59, JEDEC:SOT-346.
The 2SB1690K is a general‑purpose amplification transistor designed for low‑frequency applications. It features a large collector current capability and a low collector saturation voltage, making it suitable for audio‑visual, office‑automation, and communications equipment.
The datasheet lists absolute maximum ratings, external dimensions, packaging specifications, and detailed electrical characteristics such as voltage limits, power dissipation, transition frequency, and capacitance. It also includes application circuit examples and legal notices regarding export control and usage restrictions.
| Collector‑base voltage (VCEO) | -15 V |
|---|---|
| Collector‑emitter voltage (VCEO) | -12 V |
| Power dissipation (PØ) | 200 mW |
| Junction temperature (TJ) | 150 °C |
| Storage temperature (TSTG) | -55 to +150 °C |
| Transition frequency (ft) | 360 MHz |
| Output capacitance (Cob) | 15 pF |
The transistor can withstand a collector‑base voltage of up to -15 V.
The device is rated for a maximum power dissipation of 200 mW.
It can be stored from –55 °C to +150 °C.
The transition frequency is specified as 360 MHz.