technical data npn high power silicon transistor qualified per mil - prf - 19500/370 devices qualified level 2n3442 jan jantx jantxv maximum ratings ratings symbol value units collector - emitter voltage v ceo 140 vdc collector - base voltage v c bo 160 vdc collector - emitter voltage v cer 150 vdc emitter - base voltage v ebo 7.0 vdc base current i b 7.0 adc collector current i c 10 adc total power dissipation @ t a = 25 0 c (1) @ t c = 25 0 c (2) p t 6.0 117 w w operating & storage junction temperatu re range t j , t stg - 55 to +200 0 c thermal characteristics characteristics symbol max. unit thermal resistance, junction - to - case r q jc 1.5 0 c/w 1) derate linearly 34.2 mw/ 0 c for t a > 25 0 c 2) derate linearly 668 mw/ 0 c for t c > 25 0 c to - 3* (to - 204aa) *see appendix a for package outline electrical characteristics (t c = 25 0 c unless otherwise noted) characteristics symbol min. max. unit off characteristics collector - emitter voltage i c = 3.0 adc v (br) ceo 140 vdc collector - emitter breakdown voltag e i c = 1.5 adc, r be = 100 w v (br) cer 150 vdc collector - emitter breakdown voltage i c = 1.5 adc, v eb = 1.5 vdc v (br) cex 160 vdc collector - base cutoff current v cb = 140 vdc, v eb = 1.5 vdc i cex 1.0 madc emitter - base cutoff current v eb = 7.0 vdc i ebo 1.0 madc 6 lake street, lawrence, ma 01841 1 - 800 - 446 - 1158 / (978) 794 - 1666 / fax: (978) 689 - 0803 120101 page 1 of 2
2n3442 jan series electrical characteristics (con?t) characteristics sy mbol min. max. unit on characteristics (3) forward - current transfer ratio i c = 3.0 adc, v ce = 4.0 vdc h fe 20 70 collector - emitter saturation voltage i c = 3.0 adc, i b = 300 madc v ce(sat) 1.0 vdc base - emitter voltage i c = 3.0 adc, v ce = 4.0 vdc v be 1.7 vdc dynamic characteristics small - signal short - circuit forward current transfer ratio i c = 3.0 adc, v ce = 4.0 vdc, f = 100 khz ? h fe ? 1.0 safe operating area dc tests t c = +25 0 c, 1 cycle, t = 1.0 s test 1 v ce = 11.7 vdc, i c = 10 adc test 2 v ce = 78 vdc, i c = 1.5 adc test 3 v ce = 140 vdc, i c = 0.5 adc (3) 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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