2SD1995

Transistor 2SD1995 Silicon NPN epitaxial planer type For low-frequency amplification Unit: mm 6.9±0.1 1.05 2.5±0.1 (1.45) ±0.05 0.8 q q q q 0.45–0.05 +0.1 (Ta=25˚C) 1 2 3 0.45–0.05 s Absolute Maximum Ratings Parameter Collector to base voltage Collector to emitter voltage Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO ICP IC PC Tj Tstg 2.5±0.5 2.5±0.5 +0.1 Ratings 50 40 15 100 50 400 150 –55 ~ +150 Unit V V V mA mA mW ˚C ˚C 1.2±0.1 0.65 max. 0.1 0.45+ – 0.05 Note: In addition to the lead type shown in the upper figure, the type as shown in the lower figure is also available. 1:Emitter 2:Collector 3:Base MT1 Type Package 2.5±0.1 (HW type) s Electrical Characteristics Parameter Collector cutoff current Collector to base voltage Collector to emitter voltage Emitter to base voltage Forward current transfer ratio Collector to emitter saturation voltage Transition frequency Noise voltage (Ta=25˚C) Symbol ICBO ICEO VCBO VCEO VEBO hFE* VCE(sat) fT NV Conditions VCB = 20V, IE = 0 VCE = 20V, IB = 0 IC = 10µA, IE = 0 IC = 1mA, IB = 0 IE = 10µA, IC = 0 VCE = 10V, IC = 2mA IC = 10mA, IB = 1mA VCB = 10V, IE = –2mA, f = 200MHz VCE = 10V, IC = 1mA, GV = 80dB Rg = 100kΩ, Function = FLAT 50 40 15 400 0.05 200 80 2000 0.2 V MHz mV min typ max 100 1 Unit nA µA V V V *h FE Rank classification R 400 ~ 800 S T hFE 600 ~ 1200 1000 ~ 2000 Rank 14.5±0.5 High foward curre...