2N4851 2n4852 2n4853 pn silicon unijunction transistor description: the central semiconductor 2N4851, 2n4852, and 2n4853 are silicon pn unijunction transistors designed for timing, sensing, and trigger circuits. marking: full part number maximum ratings: (t a =25c) symbol units emitter reverse voltage v b2e 30 v interbase voltage v b2b1 35 v rms emitter current i e 50 ma peak emitter current (duty cycle 1%, prr10pps) i e 1.5 a rms power dissipation p d 300 mw operating junction temperature t j -65 to +125 c storage temperature t stg -65 to +200 c electrical characteristics : (t a =25c unless otherwise noted) symbol test conditions min max units v b2b1 =10v (2N4851) 0.56 0.75 v b2b1 =10v (2n4852, 2n4853) 0.70 0.85 r bb v b2b1 =3.0v 4.7 9.1 k i eb2o v b2e =30v (2N4851, 2n4852) 100 na i eb2o v b2e =30v (2n4853) 50 na i v v b2b1 =20v, r b2 =100 (2N4851) 2.0 ma i v v b2b1 =20v, r b2 =100 (2n4852) 4.0 ma i v v b2b1 =20v, r b2 =100 (2n4853) 6.0 ma i p v b2b1 =25v (2N4851, 2n4852) 2.0 a i p v b2b1 =25v (2n4853) 0.4 a v ob1 v 1 =20v (2N4851) 3.0 v v ob1 v 1 =20v (2n4852) 5.0 v v ob1 v 1 =20v (2n4853) 6.0 v to-18 (ujt) case r2 (13-december 2010) www.centralsemi.com www.datasheet.co.kr datasheet pdf - http://www..net/
2N4851 2n4852 2n4853 pn silicon unijunction transistor to-18 (ujt) case - mechanical outline lead code: 1) emitter 2) base 1 3) base 2 marking: full part number www.centralsemi.com r2 (13-december 2010) www.datasheet.co.kr datasheet pdf - http://www..net/
|
