BFY90

Small Signal NPN Transistors TO-72 Case TYPE NO. DESCRIPTION VCBO VCEO VEBO ICBO @ VCB (V) MIN (V) MIN 15 15 15 60 15 13 15 15 12 15 (V) MIN 3.0 3.0 3.0 15 2.5 3.0 2.0 2.5 2.5 2.5 (µA) MAX 0.001 -0.01 0.01 0.01 0.01 0.02 0.01 0.02 0.01 15 -15 90 15 15 1.0 15 15 15 (V) hFE @ IC @ VCE (mA) (V) VCE (SAT) @ IC (V) MAX (mA) fT (MHz) MIN Cob *Ccb (pF) MAX 1.7 1.7 1.7 30 1.0* 2.5 1.0* 1.0* 1.0* 1.5* MIN 20 20 20 MAX -200 -3.0 3.0 3.0 10 3.0 4.0 2.0 3.0 3.0 25 1.0 10 1.0 5.0 1.0 10 8.0 1.0 1.0 1.0 2N917 2N917A 2N918 2N998 2N2857 2N2865 2N3478 2N3839 2N5179 BFY90 RF/IF OSCILLATOR RF/IF OSCILLATOR RF/IF OSCILLATOR DARLINGTON VHF/UHF OSC RF/IF OSCILLATOR VHF/UHF LOW NOISE VHF/UHF AMPL/OSC VHF/UHF AMPL/OSC VHF/UHF AMPL/OSC 30 30 30 100 30 25 30 30 20 30 0.5 -0.4 1.8 -0.4 --0.4 -- 3.0 -10 100 -10 --10 -- 500 600 600 60 1,000 600 750 1,000 900 1,000 1,600 8,000 30 20 25 30 25 20 150 200 150 150 250 125 Shaded areas indicate Darlington. Dual Transistors TO-71 Case PD @ TA=25oC=360mW Total (Both Die Equal Power) TYPE NO. DESCRIPTION VCBO VCEO VEBO ICBO @ VCB (V) (V) (V) (nA) (V) MIN CEN741 CEN832 NPN LOW NOISE PNP LOW NOISE 45 60 MIN 45 60 MIN 6.0 5.0 MAX 10 10 45 50 hFE MIN 150 150 MAX 600 450 0.01 1.0 5.0 5.0 @ IC @ VCE VCE (SAT) @ IC (mA) (V) (V) (mA) MAX 0.35 0.25 1.0 1.0 MATCHING hFE % 20 20 VBE (mV) 5.0 5.0 69 w w w. c e n t r a l s e m i . c o m