FMMT491 npn silicon planar high performance transistor features ? power dissipation: p cm =0.5w(t amb =25 ) ? collector current: i c =1a maximum ratings* symbol rating rating unit v ceo collector-emitter voltage 60 v v cbo collector-base voltage 80 v v ebo emitter-base voltage 5.0 v i c collector current, 1.0 a p tot power dissipation at tamb=25 500 mw t j operating junction temperature -55 to +150 t stg storage temperature -55 to +150 electrical characteristics @ 25 o c unless otherwise specified symbol parameter min max units off characteristics v (br)ceo collector-emitter breakdown voltage* (i c =10madc, i b =0) 60 --- vdc v (br)cbo collector-base breakdown voltage (i c =100 adc, i e =0) 80 --- vdc v (br)ebo emitter-base breakdown voltage (i e =100 adc, i c =0) 5.0 --- vdc i cbo collector cutoff current (v cb =60vdc, i e =0vdc) --- 0.1 uadc i ebo emitter cutoff current (v eb =4.0vdc, i c =0) --- 0.1 uadc v ce(sat) collector-emitter saturation voltage* (i c =500madc, i b =50madc) (i c =1adc, i b =100madc) --- --- 0.25 0.5 vdc v be(sat) base-emitter saturation voltage* (i c =1adc, i b =100madc) --- 1.1 vdc v be base-emitter voltage* (v ce =5vdc, i c =1adc) --- 1 vdc h fe dc current gain (v ce =5vdc, i c =1madc) (v ce =5vdc, i c =500madc)* (v ce =5vdc, i c =1adc)* (v ce =5vdc, i c =2adc)* 100 100 80 30 --- 300 --- --- --- f t transition frequency (i c =50madc, v ce =10vdc, f=100mhz) 150 --- mhz c ob output capacitance (v cb =10vdc, f=1.0mhz) --- 10 pf * measured under pulsed conditions. pulse width=300us. duty cycle 2% inches mm dim min max min max note a .110 .120 2.80 3.04 b .083 .098 2.10 2.64 c .047 .055 1.20 1.40 d .035 .041 .89 1.03 e .070 .081 1.78 2.05 f .018 .024 .45 .60 g .0005 .0039 .013 .100 h .035 .044 .89 1.12 j .003 .007 .085 .180 k .015 .020 .37 .51 .079 2.000 in c h es mm . 03 1 .800 .035 .900 . 03 7 .950 .037 .950 k a b c d e f g h j
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mcc revision: a 2011 /01/01 tm micro commercial components e b c x marking:491 sot-23 suggested solder pad layout dimensions lead free finish/rohs compliant ("p" suffix designates rohs compliant. see ordering information) epoxy meets ul 94 v-0 flammability rating moisure sensitivity level 1 www. mccsemi .com 1 of 3
FMMT491 revision: a 2011/01/01 mcc tm micro commercial components www. mccsemi .com 2 of 3
mcc revision: a 2011/01/01 tm micro commercial components www. mccsemi .com 3 of 3 3 ordering information : ***important notice*** micro commercial components corp. reserve s the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . micro commercial components corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . the user of products in such applications shall assume all risks of such use and will agree to hold micro commercial components corp . and all the companies whose products are represented on our website, harmless against all damages. ***life support*** mcc's products are not authorized for use as critical components in life support devices or systems without the express written approval of micro commercial components corporation. ***customer awareness*** counterfeiting of semiconductor parts is a growing problem in the industry. micro commercial components (mcc) is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. mcc strongly encourages customers to purchase mcc parts either directly from mcc or from authorized mcc distributors who are listed by country on our web page cited below. products customers buy either from mcc directly or from authorized mcc distributors are genuine parts, have full traceability, meet mcc's quality standards for handling and storage. mcc will not provide any warranty coverage or other assistance for parts bought from unauthorized sources. mcc is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. device packing part number-tp tape&reel;3kpcs/reel
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