2n4123 npn general purpose amplifier 2n4123 this device is designed for use as general purpose amplifiers and switches requiring collector currents to 100 ma. absolute maximum ratings* ta = 25c unless otherwise noted * these ratings are limiting values above which the serviceability of any semiconductor device may be impaired. notes : 1) these ratings are based on a maximum junction temperature of 150 degrees c. 2) these are steady state limits. the factory should be consulted on applications involving pulsed or low duty cycle operations. thermal characteristics ta = 25c unless otherwise noted symbol parameter value units v ceo collector-emitter voltage 30 v v cbo collector-bas e voltage 40 v v ebo emitter-base voltage 5.0 v i c collector current - continuous 200 ma t j , t stg operating and storage j u nction temperature range -55 to +150 c symbol characteristic max units 2n4123 p d total device dissipation derate above 25 c 625 5.0 mw mw/ c r q jc thermal resistanc e, j u nction to case 83.3 c/w r q ja thermal resistanc e, j u nction to ambient 200 c/w c b e to-92 [[]]]]]]]]]]]]]]]]]]]]]]]]]]]]] ? 2 00 1 fairchild semiconductor corporation 2 n 412 3 , re v a
2n4123 npn general purpose amplifier (continued) electrical characteristics ta = 25c unless otherwise noted off characteristics symbol parameter test conditions min max units v (br)ceo collector-emitter breakdown voltage* i c = 1.0 ma, i b = 0 30 v v (br)cbo collector-base breakdown voltage i c = 10 m a, i e = 0 40 v v (br) ebo emitter-base breakdown voltage i e = 10 m a, i c = 0 5.0 v i cbo collector cutoff current v cb = 20 v, i e = 0 50 na i ebo emitter cutoff current v eb = 3.0 v, i c = 0 50 na on characteristics* h fe dc current gain v ce = 1.0 v, i c = 2.0 ma v ce = 1.0 v, i c = 50 ma 50 25 150 v ce (sat) collector-emitter saturation voltage i c = 50 ma, i b = 5.0 ma 0.3 v v be (sat) base-emitter saturation voltage i c = 50 ma, i b = 5.0 ma 0.95 v small signal characteristics c ob output capacitance v cb = 5.0 v, f = 100 khz 4.0 pf c ib input capac itance v eb = 0.5 v, f = 0.1 mhz 8.0 pf h fe small-signal current gain i c = 2.0 ma, v ce = 10 v, f = 1.0 khz i c = 10 ma, v ce = 20 v, f = 100 mhz 50 2.5 200 f t current gain - bandwidth produc t i c = 10 ma, v ce = 20 v f = 100 mhz 250 mhz nf noise figure v ce = 5.0 v, i c = 100 m a, r s = 1.0 k w , b w = 10 hz to 15.7 khz 6.0 db * pulse test: pulse width 300 m s, duty cycle 2.0%
2n 41 23 typical characteristics base-emitter on voltage vs collector current 0.1 1 10 100 0.2 0.4 0.6 0.8 1 i - collector current (ma) v - base-emitter on voltage (v) be ( o n) c v = 5v ce 25 c 125 c - 40 c npn general purpose amplifier (continued) base-emitter saturation voltage vs collector current 0.1 1 10 100 0.4 0.6 0.8 1 i - collector current (ma) v - base-emitter voltage (v) besa t c = 10 25 c 125 c - 40 c collector-emitter saturation voltage vs collector current 0.1 1 10 100 0.05 0.1 0.15 i - collector current (ma) v - collector-emitter voltage (v) cesa t 25 c c = 10 125 c - 40 c collector-cutoff current vs ambient temperature 25 50 75 100 125 150 0.1 1 10 100 500 t - ambient temperature ( c) i - collector current (na) a v = 30v cb cbo capacitance vs reverse bias voltage 0.1 1 10 100 1 2 3 4 5 10 reverse bias voltage (v) capacitance (pf) c obo c ibo f = 1.0 mhz typical pulsed current gain vs collector current 0. 1 1 10 1 0 0 0 100 200 300 400 500 i - collector current (ma) h - typ ical pulsed current gain fe - 40 c 25 c c v = 5v ce 125 c
power dissipation vs ambient temperature 0 25 5 0 75 100 125 150 0 0.25 0.5 0.75 1 temperature ( c) p - power dissipation (w) d o sot-223 sot-23 to-92 typical characteristics (continued) noise figure vs frequency 0.1 1 10 100 0 2 4 6 8 10 12 f - frequency (khz) nf - noise figure (db) v = 5.0v ce i = 100 a, r = 500 ? c s i = 1.0 ma r = 200 ? c s i = 50 a r = 1.0 k ? c s i = 0.5 ma r = 200 ? c s k ? noise figure vs source resistance 0.1 1 10 100 0 2 4 6 8 10 12 r - source resistance ( ) nf - noise figure (db) i = 100 a c i = 1.0 ma c s i = 50 a c i = 5.0 ma c - degrees 0 40 60 80 100 120 140 160 20 180 current gain and phase angle vs frequency 1 10 100 1000 0 5 10 15 20 25 30 35 40 45 50 f - frequency (mhz) h - current gain (db) v = 40v ce i = 10 ma c h fe fe turn-on time vs collector current 110100 5 10 100 500 i - collector current (ma) time (ns) i = i = b1 c b2 i c 10 40v 15v 2.0v t @ v = 0v cb d t @ v = 3.0v cc r rise time vs collector current 1 10 100 5 10 100 500 i - collector current (ma) t - rise time (ns) i = i = b1 c b2 i c 10 t = 125 c t = 25 c j v = 40v cc r j 2n 412 3 npn general purpose amplifier (continued)
2n 41 23 npn general purpose amplifier (continued) typical characteristics (continued) storage time vs collector current 1 1 0 100 5 10 100 500 i - collector current (ma) t - storage time (ns) i = i = b1 c b2 i c 10 s t = 125 c t = 25 c j j fall time vs collector current 1 10 100 5 10 100 500 i - collector current (ma) t - fall time (ns) i = i = b1 c b2 i c 10 v = 40v cc f t = 125 c t = 25 c j j current gain 0.1 1 10 10 100 500 i - collector current (ma) h - current gain v = 10 v ce c fe f = 1.0 khz t = 25 c a o output admittance 0.1 1 10 1 10 100 i - collector current (ma) h - output admittance ( mhos) v = 10 v ce c oe f = 1.0 khz t = 25 c a o input impedance 0.1 1 10 0.1 1 10 100 i - collector current (ma) h - input impedance (k ) v = 10 v ce c ie f = 1.0 khz t = 25 c a o ? voltage feedback ratio 0.1 1 10 1 2 3 4 5 7 10 i - collector current (ma) h - voltage feedback ratio (x10 ) v = 10 v ce c re f = 1.0 khz t = 25 c a o _ 4
test circuits 10 k ?? ?? ? 3.0 v 275 ?? ?? ? t 1 c 1 << << < 4.0 pf duty cycle == == = 2% duty cycle == == = 2% << << < 1.0 ns - 0.5 v 300 ns 10.6 v 10 < < < < < t 1 << << < 500 ? ? s 10.9 v - 9.1 v << << < 1.0 ns 0 0 10 k ?? ?? ? 3.0 v 275 ?? ?? ? c 1 << << < 4.0 pf 1n916 figure 2: storage and fall time equivalent test circuit figure 1: delay and rise time equivalent test circuit 2n 412 3 npn general purpose amplifier (continued)
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careers | sitema go datasheets, samples, buy technical information applications design center support company investors my f a home >> find products >> product status/pricing/packaging 2n4123 npn general purpose amplifier general description back to top contents ? general description ? product status/pricing/packaging ? order samples ? models ? qualification support this device is designed for use as general purpose amplifiers and switches requiring collector currents to 100 ma. datasheet download this datasheet e - mail this datasheet this page print version product product status pb-free status pricing* package type leads packing method package marking convention** 2n4123bu full production $0.0245 to - 92 3 bulk line 1: 2n line 2: 4123 line 3: -&3 2N4123TA full production $0.0245 to - 92 3 ammo line 1: 2n line 2: 4123 line 3: -&3 2N4123TAr full production $0.0245 to - 92 3 ammo line 1: 2n line 2: 4123 line 3: -&3 2n4123tf full production $0.0245 to - 92 3 tape reel line 1: 2n line 2: 4123 line 3: -&3 related links request samples how to order products product change notices (pcns) support sales support quality and reliability design cente r pa g e 1 of 3 product folder - fairchild p/n 2n4123 - npn general pur p ose am p lifie r 16-au g -2007 mhtml:file://c:\temp\2N4123TAr.mht
back to top models back to top qualification support click on a product for detailed qualification data back to top 2n4123tfr full production $0.0245 to - 92 3 tape reel line 1: 2n line 2: 4123 line 3: -&3 * fairchild 1,000 piece budgetary pricing ** a sample button will appear if the part is available through fa irchild's on-line samples program. if there is no sample butt on, please contact a fairchild distributo r to obtain samples indicates product with pb -free second-level interconne ct. for more information click here. package marking information for product 2n4123 is available. click here for more information . package & leads condition temperature range software version revision date pspice to-92-3 electrical 25c n/a n/a product 2n4123bu 2N4123TA 2N4123TAr 2n4123tf 2n4123tfr ? 2007 fairchild semiconductor pa g e 2 of 3 product folder - fairchild p/n 2n4123 - npn general pur p ose am p lifie r 16-au g -2007 mhtml:file://c:\temp\2N4123TAr.mht
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