technical data npn silicon medium power transistor qualified per mil - prf - 19500/207 devices qualified level 2n1479 2n1480 2n1481 2n1482 maximum ratings ratings symbol 2n1479 2n1481 2n1480 2n1482 unit collector - emitter v oltage v ceo 40 55 vdc collector - base voltage v cbo 60 100 vdc emitter - base voltage v ebo 12 vdc collector current i c 1.5 adc base - current i b 1.0 adc total power dissipation @ t a = 25 0 c p t 1.0 w operating & storage junction temperature range t j , t stg - 65 to +200 0 c thermal characteristics characteristics symbol max. unit thermal resistance, junction - to - case r q jc 35 0 c/w to - 5* *see appendix a for package outline electrical characteristics (t a = 25 0 c unless otherwise noted) characteris tics symbol min. max. unit off characteristics collector - emitter breakdown voltage i c = 50 madc 2n1479, 2n1481 2n1480, 2n1482 v (br) ceo 40 55 vdc collector - emitter breakdown voltage v eb = 1.5 vdc, i c = 0.25 ma dc 2n1479, 2n1481 v eb = 1.5 vd c, i c = 0.25 ma dc 2n1480, 2n1482 v (br) cex 60 100 vdc collector - base cutoff current v cb = 30 vdc 2n1479, 2n1481 v cb = 50 vdc 2n1480, 2n1482 i cbo 5.0 5.0 m adc emitter - base cutoff current v eb = 12 vdc i ebo 10 m adc 6 lake street, law rence, ma 01841 1 - 800 - 446 - 1158 / (978) 794 - 1666 / fax: (978) 689 - 0803 120101 page 1 of 2
2n 1479, 2n1480, 2n1481, 2n1482 jan series electrical characteristics (con?t) characteristics symbol min. max. unit on characteristics (1) forward - current transfer ratio i c = 200 madc, v ce = 4.0 vdc 2n1479, 2n1480 2n1481, 2n1482 h fe 20 35 60 100 collector - emitter saturation voltage i c = 200 madc, i b = 20 madc 2n1479, 2n1480 i c = 200 madc, i b = 10 madc 2n1481, 2n1482 v ce(sat) 0.75 0.75 vdc base - emitter voltage i c = 200 madc, v ce = 4.0 vdc v be 1.5 vdc dynamic characteristics forward current cutoff frequency i c = 5.0 madc, v cb = 28 vdc f ab 800 khz switching characteristics total switchin g time v cc = 12 vdc; r c = 59 w ; i b0 = i b2 = 8.5 madc ; i b1 = 20 madc t on + t off 25 m s (1) pulse test: pulse width = 300 m s, duty cycle 2.0%. 6 lake street, lawrence, ma 01841 1 - 800 - 446 - 1158 / (978) 794 - 1666 / fax: (978) 689 - 0803 120101 page 2 of 2
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