Small Signal Transistors TO-92 Case TYPE NO. DESCRIPTION LEAD VCBO VCEO VEBO CODE (V) (V) ICBO @ VCB (nA) (V) MAX 5.0 *ICES *ICEV MAX 500 18 hFE @ VCE @ IC (V) (mA) NF toff 2N2712 NPN AMPL/SWITCH ECB MIN 18 -- -- -- -- 2N2714 NPN AMPL/SWITCH ECB 18 18 5.0 100 18 75 250 0.30 50 1.20 50 -- -- -- 2N2923 NPN LOW NOISE ECB 25 25 5.0 100 25 90 180* -- -- -- -- 10 160* -- -- 2N2924 NPN LOW NOISE ECB 25 25 5.0 100 25 150 300* -- -- -- -- 10 160* -- -- 2N2925 NPN LOW NOISE ECB 25 25 5.0 100 25 235 470* -- -- -- -- 10 160* 2.8 -- 2N2926 NPN LOW NOISE ECB 25 25 5.0 500 18 35 470* -- -- -- -- 10 120* 2.8 -- 2N3391A NPN LOW NOISE ECB 25 25 5.0 100 25 250 500 4.50 2.0 -- -- 10 120* 5.0 -- 2N3392 NPN LOW NOISE ECB 25 25 5.0 100 25 150 300 4.50 2.0 -- -- 10 120* -- -- 2N3393 NPN LOW NOISE ECB 25 25 5.0 100 25 90 180 4.50 2.0 -- -- 10 120* -- -- 2N3395 NPN LOW NOISE ECB 25 25 5.0 100 25 150 500 4.50 2.0 -- -- 10 -- -- -- 2N3396 NPN LOW NOISE ECB 25 25 5.0 100 25 90 500 4.50 2.0 -- -- 10 -- -- -- 2N3397 NPN LOW NOISE ECB 25 25 5.0 100 25 55 500 4.50 2.0 -- -- 10 -- -- -- 2N3398 NPN LOW NOISE ECB 25 25 5.0 100 25 55 800 4.50 2.0 -- -- 10 -- -- -- 2N3415 NPN LOW NOISE ECB 25 25 5.0 100 25 180 540 4.50 2.0 0.30 50 -- -- -- -- 2N3416 NPN LOW NOISE ECB 50 50 5.0 100 25 75 225 4.50 2.0 0.30 50 -- -- -- -- 2N3417 NPN LOW NOISE ECB 50 50 5.0 100 50 180 540 4.50 2.0 0.30 50 -- -- -- -- 2N3702 PNP AMPL/SWITCH ECB 40 25 5.0 100 20 60 300 5.0 0.05 0.25 50 12 100 -- -- 2N3703 PNP AMPL/SWITCH ECB 50 30 5.0 100 20 30 150 5.0 0.05 0.25 50 12 100 -- -- 2N3704 NPN AMPL/SWITCH ECB 50 30 5.0 100 20 100 300 2.0 50 0.60 100 12 100 -- -- 2N3705 NPN AMPL/SWITCH ECB 50 30 5.0 100 20 50 150 2.0 50 0.80 100 12 100 -- -- 2N3706 NPN AMPL/SWITCH ECB 40 20 5.0 100 20 30 600 2.0 50 1.0 100 12 100 -- -- 2N3707 NPN LOW NOISE ECB 30 30 6.0 100 20 100 400 5.0 1.0 1.0 10 -- -- 5.0 -- 2N3708 NPN LOW NOISE ECB 30 30 6.0 100 20 45 660 5.0 1.0 1.0 10 -- -- 5.0 -- 2N3709 NPN LOW NOISE ECB 30 30 6.0 100 20 45 165 5.0 1.0 1.0 10 -- -- 5.0 -- 2N3710 NPN LOW NOISE ECB 30 30 6.0 100 20 90 330 5.0 1.0 1.0 10 -- -- 5.0 -- 2N3711 NPN LOW NOISE ECB 30 30 6.0 100 20 180 660 5.0 1.0 1.0 10 -- -- 5.0 -- 2N3859A NPN LOW NOISE ECB 60 60 6.0 50 60 100 200 4.50 2.0 0.125 10 4.0 -- 5.0 -- 2N3860 NPN LOW NOISE ECB 30 30 4.0 50 30 150 300 4.50 2.0 0.125 10 4.0 90 -- -- 2N3903 NPN AMPL/SWITCH EBC 60 40 6.0 50* 30 50 150 1.0 10 0.30 50 4.0 250 6.0 225 2N3904 NPN AMPL/SWITCH EBC 60 40 6.0 50* 30 100 300 1.0 10 0.30 50 4.0 300 5.0 250 2N3905 PNP AMPL/SWITCH EBC 40 40 5.0 50* 30 50 150 1.0 10 0.40 50 4.5 200 5.0 260 2N3906 PN AMPL/SWITCH EBC 40 40 5.0 50* 30 100 300 1.0 10 0.40 50 4.5 250 4.0 300 2N4058 PNP LOW NOISE ECB 30 30 6.0 100 20 100 400 5.0 0.10 0.70 10 -- -- 5.0 -- 2N4123 NPN AMPL/SWITCH EBC 40 30 5.0 50 20 50 150 1.0 2.0 0.30 50 4.0 250 6.0 -- 2N4124 NPN AMPL/ SWITCH EBC 30 25 5.0 50 20 120 360 1.0 2.0 0.30 50 4.0 300 5.0 -- 2N4125 PNP AMPL/SWITCH EBC 30 30 4.0 50 20 50 150 1.0 2.0 0.40 50 4.5 200 5.0 -- 2N4126 PNP AMPL/SWITCH EBC 25 25 4.0 50 20 120 360 1.0 2.0 0.40 50 4.5 250 4.0 -- 2N4264 NPN SAT SWITCH EBC 30 15 6.0 12 40 160 1.0 10 0.35 100 4.0 350 -- 35 2N4287 NPN LOW NOISE ECB 45 45 7.0 10 30 150 600 5.0 1.0 0.35 1.0 6.0 40 5.0 -- 2N4289 PNP LOW NOISE ECB 60 45 7.0 10 45 150 600 0.35 1.0 0.80 1.0 8.0 40 4.0 -- 2N4400 NPN AMPL/SWITCH EBC 60 40 6.0 100* 35 50 150 1.0 150 0.75 500 6.5 200 -- 255 w w w. c e n t r a l s e m i . c o m (mA) fT (V) *VCES MIN 18 72 (V) MIN 75 *hFE (1kHZ) MAX 250 VCE (SAT) @ IC Cob (pF) (MHz) (dB) *Crb *TYP MAX MIN MAX MAX 12 2.8 --- Devices are available lead formed, See pages 216 thru 219 for details. Also available in Ammopack or Tape & Reel, See pages 230 thru 235 for details.