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leshan radio company, ltd. 1 3 2 lmbt3946dw1t1g sot - 363/sc-88 6 4 5 dual general purpose transistors maximum ratings rating symbol v alue unit collector-emitter voltage v ceo vdc (npn) 40 (pnp) -40 collector-base voltage v cbo vdc (npn) 60 (pnp) -40 emitter-base voltage v ebo vdc (npn) 6.0 (pnp) -5.0 collector current-continuous i c madc (npn) 200 (pnp) -200 thermal characteristics characteristic symbol max unit total package dissipation (1) p d 150 mw t a = 25c thermal resistance junction r ja 833 c/w to ambient junction and storage t j ,t stg ?55 to +150 c temperature range the lmbt3946dw1t1 device is a spin?off of our popular sot?23/sot?323 three?leaded device. it is designed for general purpose amplifier applications and is housed in the sot?363 six?leaded surface mount package. by putting two discrete devices in one package, this device is ideal for low?power surface mount applications where board space is at a premium. h fe , 100?300 low v ce(sat) , < 0.4 v simplifies circuit design reduces board space reduces component count available in 8 mm, 7?inch/3,000 unit tape and reel and control change requirements; aec-q101 qualified and ppap capable. lmbt3946dw1t1* *q1 pnp q2 npn 1. device mounted on fr4 glass epoxy printed circuit board using the minimum 1. recommended footprint. ordering information device marking shipping lmbt3946dw1t1g 46 3000units/reel 4 6 5 3 1 2 q 2 q 1 lmbt3946dw1t3g 46 10000units/reel compliance with rohs requirements. we declare that the material of product rev.o 1/11 s-lmbt3946dw1t1g s- prefix for automotive and other applications requiring unique site device marking: lmbt3946dw1t1g = 46 s-lmbt3946dw1t1g 46 3000units/reel s-lmbt3946dw1t3g 46 10000units/reel
leshan radio company, ltd. lmbt3946dw1t1g electrical characteristics (t a =25c unless otherwise noted) characteristic symbol min max unit off characteristics collector?emitter breakdown voltage (2) v (br)ceo vdc (i c = 1.0 madc, i b = 0) (npn) 40 ? (i c = ?1.0 madc, i b = 0) (pnp) ?40 ? collector?base breakdown voltage v (br)cbo vdc (i c = 10 adc, i e = 0) (npn) 60 ? (i c = ?10 adc, i e = 0) (pnp) ?40 ? emitter?base breakdown voltage v (br)ebo vdc (i e = 10 adc, i c = 0) (npn) 6.0 ? (i e = ?10 adc, i c = 0) (pnp) ?5.0 ? base cutoff current i bl nadc (v ce = 30 vdc, v eb = 3.0 vdc) (npn) ? 50 (v ce = ?30 vdc, v eb = ?3.0 vdc) (pnp) ? ?50 collector cutoff current i cex nadc (v ce = 30 vdc, v eb = 3.0 vdc) (npn) ? 50 (v ce = ?30 vdc, v eb = ?3.0 vdc) (pnp) ? ?50 on characteristics (2) dc current gain h fe ? (i c = 0.1 madc, v ce = 1.0 vdc) (npn) 40 ? (i c = 1.0 madc, v ce = 1.0 vdc) 70 ? (i c = 10 madc, v ce = 1.0 vdc) 100 300 (i c = 50 madc, v ce = 1.0 vdc) 60 ? (i c = 100 madc, v ce = 1.0 vdc) 30 ? (i c = ?0.1 madc, v ce = ?1.0 vdc) (pnp) 60 ? (i c = ?1.0 madc, v ce = ?1.0 vdc) 80 ? (i c = ?10 madc, v ce = ?1.0 vdc) 100 300 (i c = ?50 madc, v ce = ?1.0 vdc) 60 ? (i c = ?100 madc, v ce = ?1.0 vdc) 30 ? collector?emitter saturation voltage v ce(sat) vdc (i c = 10 madc, i b = 1.0 madc) (npn) ? 0.2 (i c = 50 madc, i b = 5.0 madc) ? 0.3 (i c = ?10 madc, i b = ?1.0 madc) (pnp) ? ?0.25 (i c = ?50 madc, i b = ?5.0 madc) ? ?0.4 base?emitter saturation voltage v be(sat) vdc (i c = 10 madc, i b = 1.0 madc) (npn) 0.65 0.85 (i c = 50 madc, i b = 5.0 madc) ? 0.95 (ii c = ?10 madc, i b = ?1.0 madc) (pnp) ?0.65 ?0.85 (i c = ?50 madc, i b = ?5.0 madc) ? ?0.95 2. pulse test: pulse width < 300 s; duty cycle < 2.0%. rev.o 2/11 ;s-lmbt3946dw1t1g
leshan radio company, ltd. electrical characteristics (t a =25c unless otherwise noted) characteristic symbol min max unit small?signal characteristics current?gain ? bandwidth product f t mhz (i c = 10 madc, v ce = 20 vdc, f = 100 mhz) (npn) 300 ? (i c = ?10 madc, v ce = ?20 vdc, f = 100 mhz) (pnp) 250 ? output capacitance c obo pf (v cb = 5.0 vdc, i e = 0, f = 1.0 mhz) (npn) ? 4.0 (v cb = ?5.0 vdc, i e = 0, f = 1.0 mhz) (pnp) ? 4.5 input capacitance c ibo pf (v eb = 0.5 vdc, i c = 0, f = 1.0 mhz) (npn) ? 8 .0 (v eb = ?0.5 vdc, i c = 0, f = 1.0 mhz) (pnp) ? 1 0 .0 i nput impedance h ie k (v ce = 10 vdc, i c = 1.0 madc, f = 1.0 khz) (npn) 1.0 10 (v ce = ?10 vdc, i c = ?1.0 madc, f = 1.0 khz) (pnp) 2.0 12 voltage feedback ratio h re x 10 ?4 (v ce = 10 vdc, i c = 1.0 madc, f = 1.0 khz) (npn) 0.5 8.0 (v ce = ?10 vdc, i c = ?1.0 madc, f = 1.0 khz) (pnp) 0.1 10 small?signal current gain h fe ? (v ce = 10 vdc, i c = 1.0 madc, f = 1.0 khz) (npn) 100 400 (v ce = ?10 vdc, i c = ?1.0 madc, f = 1.0 khz) (pnp) 100 400 output admittance h oe mhos (v ce = 10 vdc, i c = 1.0 madc, f = 1.0 khz) (npn) 1.0 40 (v ce = ?10 vdc, i c = ?1.0 madc, f = 1.0 khz) (pnp) 3.0 60 noise figure nf db (v ce =5.0 vdc,i c =100 adc, r s =1.0 k , f=1.0khz) (npn) ? 5.0 (v ce =?5.0 vdc,i c =?100 adc, r s =1.0 k , f=1.0khz) (pnp) ? 4.0 switching characteristics delay time (v cc = 3.0 vdc, v be = ?0.5 vdc) (npn) t d ?35 (v cc = ?3.0 vdc, v be = 0.5 vdc) (pnp) ? 35 ns rise time (i c = 10 madc, i b1 = 1.0 madc) (npn) t r ?35 (i c = ?10 madc, i b1 = ?1.0 madc) (pnp) ? 35 storage time (v cc = 3.0 vdc, i c = 10 madc) (npn) t s ? 200 (v cc = ?3.0 vdc, i c = ?10 madc) (pnp) ? 225 ns fall time (i b1 = i b2 = 1.0 madc) (npn) t f ?50 (i b1 = i b2 = ?1.0 madc) (pnp) ? 75 rev.o 3/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. figure 1. delay and rise t ime equivalent t est circuit figure 2. storage and fall t ime equivalent t est circuit +3 v 275 10 k 1n916 c s < 4 pf* +3 v 275 10 k c s < 4 pf* < 1 ns -0.5 v +10.9 v 300 ns duty cycle = 2% < 1 ns -9.1 v' +10.9 v duty cycle = 2% t 1 0 10 < t 1 < 500 s * total shunt capacitance of test jig and connectors typical transient characteristics figure 3. capacitance reverse bias vol t age (vol ts) 2.0 3.0 5.0 7.0 10 1.0 0.1 figure 4. charge data i c , collector current (ma) 5000 1.0 v cc = 40 v i c /i b = 10 q, charge (pc) 3000 2000 1000 500 300 200 700 100 50 70 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200 capacit ance (pf) 1.0 2.0 3.0 5.07.0 10 20 30 40 0.2 0.3 0.5 0.7 q t q a c ibo c obo t j = 25?c t j = 125?c (npn) (npn) typical electrical characteristics lmbt3946dw1t1g (npn) rev.o 4/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. typical electrical characteristics lmbt3946dw1t1g (npn) figure 5. turnon time i c , collect or current (ma) 70 100 200 300 500 50 figure 6. rise time i c , collector current (ma) time (ns) 1.0 2.0 3.0 10 20 70 5 100 t , rise time (ns) figure 7. storage time i c , collector current (ma) figure 8. fall time i c , collector current (ma) 5.0 7.0 30 50 200 10 30 7 20 70 100 200 300 500 50 1.0 2.0 3.0 10 20 70 5 100 5.0 7.0 30 50 200 10 30 7 20 70 100 200 300 500 50 1.0 2.0 3.0 10 20 70 5 100 5.0 7.0 30 50 200 10 30 7 20 70 100 200 300 500 50 1.0 2.0 3.0 10 20 70 5 100 5.0 7.0 30 50 200 10 30 7 20 r t , fall time (ns) f t' , storage time (ns) s v cc = 40 v i c /i b = 10 v cc = 40 v i b1 = i b2 i c /i b = 20 i c /i b = 10 i c /i b = 10 t r @ v cc = 3.0 v t d @ v ob = 0 v 40 v 15 v 2.0 v i c /i b = 10 i c /i b = 20 i c /i b = 10 i c /i b = 20 t' s = t s - 1 / 8 t f i b1 = i b2 (npn) (npn) (npn) (npn) typical audio smallsignal characteristics noise figure variations (v ce = 5.0 vdc, t a = 255c, bandwidth = 1.0 hz) figure 9. noise figure f, frequency (khz) 4 6 8 10 12 2 0.1 figure 10. noise figure r s , source resistance (k ohms) 0 nf , noise figure (db) 1.0 2.0 4.0 10 20 40 0.2 0.4 0 100 4 6 8 10 12 2 14 0.1 1.0 2.0 4.0 10 20 40 0.2 0.4 100 nf , noise figure (db) f = 1.0 khz i c = 1.0 ma i c = 0.5 ma i c = 50 a i c = 100 a source resistance = 200 i c = 1.0 ma source resistance = 200 i c = 0.5 ma source resistance = 500 i c = 100 a source resistance = 1.0 k i c = 50 a (npn) (npn ) rev.o 5/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. typical electrical characteristics lmbt3946dw1t1g (npn) h parameters (v ce = 10 vdc, f = 1.0 khz, t a = 25?c) figure 11. current gain i c , collector current (ma) 70 100 200 300 50 figure 12. output admittance i c , collector current (ma) h , current gain h , output admittance ( mhos) figure 13. input impedance i c , collector current (ma) figure 14. voltage feedback ratio i c , collector current (ma) 30 100 50 5 10 20 2.0 3.0 5.0 7.0 10 1.0 0.1 0.2 1.0 2.0 5.0 0.5 10 0.3 0.5 3.0 0.7 2.0 5.0 10 20 1.0 0.2 0.5 oe h , voltage feedback ratio (x 10 ) re h ,input impedance (k ohms) ie 0.1 0.2 1.0 2.0 5.0 10 0.3 0.5 3.0 0.1 0.2 1.0 2.0 5.0 10 0.3 0.5 3.0 2 1 0.1 0.2 1.0 2.0 5.0 10 0.3 0.5 3.0 fe -4 (npn) (npn) (npn) (npn) rev.o 6/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. typical electrical characteristics lmbt3946dw1t1g (npn) figure 15. dc current gain i c , collector current (ma) 0.3 0.5 0.7 1.0 2.0 0.2 0.1 h , dc current gain (normalized) 0.5 2.0 3.0 10 50 70 0.2 0.3 0.1 100 1.0 0.7 200 30 20 5.0 7.0 fe v ce = 1.0 v t j = +125 ?c +25?c -55?c (npn) figure 16. collector saturation region i b , base current (ma) 0.4 0.6 0.8 1.0 0.2 0.1 v , collector emitter vol t age (volts) 0.5 2.0 3.0 10 0.2 0.3 0 1.0 0.7 5.0 7.0 ce i c = 1.0 ma t j = 25 0.07 0.05 0.03 0.02 0.01 10 ma 30 ma 100 ma (npn) figure 17. "on" v oltages i c , collector current (ma) 0.4 0.6 0.8 1.0 1.2 0.2 figure 18. temperature coefficients i c , collector current (ma) v, voltage (volts) 1.0 2.0 5.0 10 20 50 0 100 -0.5 0 0.5 1.0 0 60 80 120 140 160 180 20 40 100 coefficient (mv/ ?c) 200 -1.0 -1.5 -2.0 200 t j = 25 v be(sat) @i c /i b =10 v ce(sat) @ i c /i b =10 v be @ v ce =1.0v +25?c to +125?c -55?c to +25?c +25 ?c to +125 ?c -55?c to +25 ?c vc for v ce(sat) for v be(sat) (npn) (npn) ?c ?c vb rev.o 7/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. typical electrical characteristics lmbt3946dw1t1g (pnp) figure 19. delay and rise t ime equivalent test circuit figure 20. storage and fall t ime equivalent test circuit 3 v 275 10 k 1n916 c s < 4 pf* 3 v 275 10 k c s < 4 pf* < 1 ns +0.5 v 10.6 v 300 ns duty cycle = 2% < 1 ns +9.1 v 10.9 v duty cycle = 2% t 1 0 10 < t 1 < 500 s * total shunt capacitance of test jig and connectors typical transient characteristics figure 21. capacitance reverse bias (volts) 2.0 3.0 5.0 7.0 10 1.0 0.1 figure 22. charge data i c , collector current (ma) 5000 1.0 v cc = 40 v i c /i b = 10 q, charge (pc) 3000 2000 1000 500 300 200 700 100 50 70 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200 capacitance (pf) 1.0 2.0 3.0 5.07.0 10 20 30 40 0.2 0.3 0.5 0.7 q t q a c ibo c obo t j = 25?c t j = 125?c (pnp) (pnp) figure 23. turn - on time i c , collector current (ma) 70 100 200 300 500 50 time (ns) 1.0 2.0 3.0 10 20 70 5 100 figure 24. fall time i c , collector current (ma) 5.0 7.0 30 50 200 10 30 7 20 70 100 200 300 500 50 1.0 2.0 3.0 10 20 70 5 100 5.0 7.0 30 50 200 10 30 7 20 t , fall time (ns) f v cc = 40 v i b1 = i b2 i c /i b = 20 i c /i b = 10 i c /i b = 10 t r @ v cc = 3.0 v t d @ v ob = 0v 40 v 15 v 2.0 v (pnp) (pnp) rev.o 8/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. typical electrical characteristics lmbt3946dw1t1g (pnp) typical audio smallsignal characteristics noise figure variations (v ce = 5.0 vdc, t a = 25?c , bandwidth = 1.0 hz) figure 25. f, frequency (khz) 2.0 3.0 4.0 5.0 1.0 0.1 figure 26. r g , source resistance (k ohms) 0 nf , noise figure (db) 1.0 2.0 4.0 10 20 40 0.2 0.4 0 100 4 6 8 10 12 2 0.1 1.0 2.0 4.0 10 20 40 0.2 0.4 100 nf , noise figure (db) f = 1.0 khz i c = 1.0 ma i c = 0.5 ma i c =50 a i c =100 a source resistance = 200 i c = 1.0 ma source resistance = 200 i c = 0.5 ma source resistance = 2.0 k i c = 100 a source resist ance = 2.0 k i c = 50 a (pnp) (pnp) h parameters (v ce = 10 vdc, f = 1.0 khz, t a = 25?c) figure 27. current gain i c , collector current (ma) 70 100 200 300 50 figure 28. output admittance i c , collector current (ma) h , dc current gain h , output admittance ( mhos) figure 29. input impedance i c , collector current (ma) figure 30. voltage feedback ratio i c , collector current (ma) 30 100 50 10 20 2.0 3.0 5.0 7.0 10 1.0 0.1 0.2 1.0 2.0 5.0 0.5 10 0.3 0.5 3.0 0.7 2.0 5.0 10 20 1.0 0.2 0.5 oe h , input impedance (k ohms) ie 0.1 0.2 1.0 2.0 5.0 10 0.3 0.5 3.0 0.1 0.2 1.0 2.0 5.0 10 0.3 0.5 3.0 7 5 0.1 0.2 1.0 2.0 5.0 10 0.3 0.5 3.0 fe 70 30 0.7 7.0 0.7 7.0 7.0 3.0 0.7 0.3 0.7 7.0 0.7 7.0 h , voltage feedback ratio (x 10 ) re -4 (pnp) (pnp) (pnp) (pnp) rev.o 9/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. typical electrical characteristics lmbt3946dw1t1g (pnp) figure 31. dc current gain i c , collector current (ma) 0.3 0.5 0.7 1.0 2.0 0.2 0.1 h , dc current gain (normalized) 0.5 2.0 3.0 10 50 70 0.2 0.3 0.1 100 1.0 0.7 200 30 20 5.0 7.0 fe v ce = 1.0 v t j = +125 ?c +25 ?c -55 ?c (pnp) figure 32. collector saturation region i b , base current (ma) 0.4 0.6 0.8 1.0 0.2 0.1 v , collector emitter voltage (volts) 0.5 2.0 3.0 10 0.2 0.3 0 1.0 0.7 5.0 7.0 ce i c = 1.0 ma t j = 25?c 0.07 0.05 0.03 0.02 0.01 10 ma 30 ma 100 ma (pnp) figure 33. "on" voltages i c , collector current (ma) 0.4 0.6 0.8 1.0 0.2 figure 34. t emperature coefficients i c , collector current (ma) v, voltage (volts) 1.0 2.0 5.0 10 20 50 0 100 -0.5 0 0.5 1.0 0 60 80 120 140 160 180 20 40 100 200 -1.0 -1.5 -2.0 200 t j = 25?c v be(sat) @ i c /i b = 10 v ce(sat) @ i c /i b = 10 v be @ v ce = 1.0 v +25?c +125?c -55?c to +25?c +25?c +125?c -55?c +25?c vc for v ce(sat) vb for v be(sat) , temperature coefficients (mv/?c) v (pnp) (pnp) to to to rev.o 10/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g
leshan radio company, ltd. notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. inches millimeters dim min max min max a 0.071 0.087 1.80 2.20 b 0.045 0.053 1.15 1.35 c 0.031 0.043 0.80 1.10 d 0.004 0.012 0.10 0.30 g 0.026 bsc 0.65 bsc h --- 0.004 --- 0.10 j 0.004 0.010 0.10 0.25 k 0.004 0.012 0.10 0.30 n 0.008 ref 0.20 ref s 0.079 0.087 2.00 2.20 pin 1. emitter 2 2. base 2 3. collector 1 4.emitter 1 5. base 1 6.collector 2 b 0.2 (0.008) a g s h c n j k d 6 p l 6 5 4 1 2 3 - b - m m 0.5 mm (min) 0.4 mm (min) 0.65 mm 0.65 mm 1.9 mm sc - 88/sot - 363 rev.o 11/11 lmbt3946dw1t1g ;s-lmbt3946dw1t1g

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