NPN transistor 2SD1664Q, 1A, SOT-89 4-Pin ( 3+Tab ), SOT-89, 32V. Collector current: 1A. Housing: SOT-89 4-Pin ( 3+Tab ). Housing (according to data sheet): SOT-89. Collector/emitter voltage Vceo: 32V. Assembly/installation: surface-mounted component (SMD). Conditioning unit: 1000. Conditioning: roll. FT: 150 MHz. Function: bipolar transistor. Ic(pulse): 2A. Marking on the case: DAQ. Max hFE gain: 270. Minimum hFE gain: 120. Number of terminals: 3. Operating temperature: +55...+150°C. Pd (Power Dissipation, Max): 0.5W. Quantity per case: 1. RoHS: yes. Saturation voltage VCE(sat): 0.15V. Semiconductor material: silicon. Spec info: screen printing/SMD code DAQ. Technology: 'Epitaxial planar type'. Type of transistor: NPN. Vcbo: 40V. Vebo: 5V. Original product from manufacturer: ROHM. Quantity in stock updated on 10/31/2025, 07:46