unisonic technologies co.,ltd. MMBTA44/45 npn epitaxial silicon transistor www.unisonic.com.tw 1 copyright ? 2005 unisonic technologies co.,ltd. qw-r206-007.b high voltage transistor features *collector-emitter voltage: v ceo =400v (utc MMBTA44 ) v ceo =350v (utc mmbta45 ) *collector current up to 300ma *complement to utc mmbta94/93 *power dissipation: p d (max)=350mw marking (MMBTA44) 3d sot-23 2 3 1 * pb-free plating product number: MMBTA44l/mmbta45l pin configuration pin no. pin name 1 emitter 2 base 3 collector ordering information order number normal lead free package packing MMBTA44-ae3-r MMBTA44l-ae3-r sot-23 tape reel mmbta45-ae3-r mmbta45l-ae3-r sot-23 tape reel
MMBTA44/45 npn epitaxial silicon transistor unisonic technologies co., ltd 2 www.unisonic.com.tw qw-r206-007.b absolute maximum ratings parameter symbol ratings unit MMBTA44 500 collector-base voltage mmbta45 v cbo 400 v MMBTA44 400 collector-emitter voltage mmbta45 v ceo 350 v emitter-base voltage v ebo 6 v collector current ic 300 ma ta=25 c 350 mw power dissipation tc=25 c p d 1.5 w junction temperature t j +150 c storage temperature t stg -40 ~ +150 c electrical characteristics (t j =25 c, unless otherwise specified) parameter symbol test conditions min typ max unit MMBTA44 500 collector-base breakdown voltage mmbta45 bv cbo ic=100 a, i b =0 400 v MMBTA44 400 collector-emitter breakdown voltage mmbta45 bv ceo ic=1ma, i b =0 350 v emitter-base breakdown voltage bv ebo i e =100 a, ic=0 6 v collector-emitter saturation voltage v ce(sat) ic=1ma, i b =0.1ma ic=10ma, i b =1ma ic=50ma, i b =5ma 0.4 0.5 0.75 v base-emitter saturation voltage v be(sat) ic=10ma, i b =1ma 0.75 v MMBTA44 v cb =400v, i e =0 0.1 collector cut-off current mmbta45 i cbo v cb =320v, i e =0 0.1 a MMBTA44 v ce =400v, i b =0 0.5 collector cut-off current mmbta45 i ces v ce =320v, i b =0 0.5 a emitter cut-off current i ebo v eb =4v, ic=0 0.1 a dc current gain(note) h fe v ce =10v, ic=1ma v ce =10v, ic=10ma v ce =10v, ic=50ma v ce =10v, ic=100ma 40 50 45 40 240 current gain bandwidth product f t v ce =20v, ic=10ma f=100mhz 50 mhz output capacitance c ob v cb =20v, i e =0, f=1mhz 7 pf note: pulse test: p w <300 s, duty cycle<2%
MMBTA44/45 npn epitaxial silicon transistor unisonic technologies co., ltd 3 www.unisonic.com.tw qw-r206-007.b typical characteristics 10 1 10 2 10 3 10 4 10 0 -40 -20 0 20 40 60 80 100 120 140 v ce =1 0v dc current gain collector current, i c (ma) 10 0 10 1 10 2 10 -1 ti me ( s) turn -on switching times v ce =1 5 0v ic /i b =10 ta= 25 v be ( off) =4v t f t d collector current , i c (ma) 10 1 10 0 dc current gain, h fe 10 0 10 1 10 2 collector current, i c (ma) 10 - 1 ti me ( s ) turn - off switching times 10 0 10 1 10 2 t s t f v ce =150v ic/i b =10 ta = 25 capacitance 10 1 10 2 10 3 10 0 10 - 1 collector voltage ( v ) capacitance(pf) 10 0 10 1 10 2 10 3 c ib c ob
MMBTA44/45 npn epitaxial silicon transistor unisonic technologies co., ltd 4 www.unisonic.com.tw qw-r206-007.b on voltage 10 1 10 2 10 3 10 0 10 - 1 collector current , i c (ma) ta =25 volta ge(v) 0 0. 2 0.4 0.6 0. 8 1. 0 v be (sat ) , ic /i b =1 0 v be (on) ,v ce =1 0v v ce (sat ) ,ic/i b =10 collector saturation region base current, i b ( a) 10 1 10 2 10 3 10 4 10 5 0 0. 2 0. 4 0.3 0.1 0.5 collect or-emitter volt age (v) ta= 25 ic =1ma ic =10ma ic= 50ma typical characteristics(cont.) collector current, i c ( ma) collector voltage (v) 10 1 10 2 10 3 10 0 10 -1 10 2 10 3 10 4 10 1 10 0 10 0 10 1 10 2 10 3 10 -1 10 0 10 1 10 2 small signal current gain, h fe high frequency current gain safe operating area v ce =1 0 v f=10mhz ta=25 ic , collector current (ma) 10 4 valid duty cycle<10% 1s 1ms 0.1ms mpsa44 t a = 2 5 t a = 2 5
MMBTA44/45 npn epitaxial silicon transistor unisonic technologies co., ltd 5 www.unisonic.com.tw qw-r206-007.b utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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