digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 2N4851-2n4853 pn unijunction transistors maximum ratings rating symbol value unit rms power dissipation p d 300 mw rms emitter current i e 50 ma peak-pulse emitter current i e 1.5 amp emitter reverse voltage v b2e 30 volts interbase voltage v b2b1 35 volts operating junction temperature range t j -65 to +125 c storage temperature range t stg -65 to +200 c electrical characteristics (t a = 25c unless otherwise noted) rating part number symbol min typ max unit intrinsic standoff ratio (v b2b1 = 10 v) 2N4851 2n4852, 2n4853 0.56 0.70 - - 0.75 0.85 - interbase resistance (v b2b1 = 3 v, i e = 0) r bb 4.7 - 9.1 k ? emitter reverse current (v b2e = 30 v) 2N4851, 2n4852 2n4853 i eb2o - - - - 100 50 na peak point emitter current (v b2b1 = 25 v) 2N4851, 2n4852 2n4853 i p - - - - 2 0.4 a valley point current (v b2b1 = 20 v, r b2 = 100? ) 2N4851 2n4852 2n4853 i v 2.0 4.0 6.0 - - - - - - ma base one peak pulse voltage (v 1 = 20v) 2N4851 2n4852 2n4853 v ob1 3.0 5.0 6.0 - - - - - - volts maximum frequency of oscillation f (max) - 0.25 - mhz sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20121019
digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 2N4851-2n4853 pn unijunction transistors sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20121019
digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 2N4851-2n4853 pn unijunction transistors sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20121019
digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 2N4851-2n4853 pn unijunction transistors available non-rohs (standard) or rohs compliant (add pbf suffix). available as ?hr? (high reliability) screened per mil-prf- 19500, jantx level. add ?hr? suffix to base part number. sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20121019
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