a s 21c ba s 21s marking:js2 marking :js3 marking:js 4 sot-23 250 400 200 1 50 -55~+150 bas21/a/c/s -a fea tures z fast sw itchi ng speed z surface mount package ideally su ited for automatic insertion z for general purpose switching applications z high conductance ba s 21 marking: js maximum ratings @t a =25 parameter symbol limit unit repetitive p eak reverse voltage working p eak reverse voltage dc b locking v oltage v rrm v rw m v r v forward c ontinuous c urrent ma aver age r ectified o utput c urrent ma a repetitive p eak f orward s urge c urrent ma power d issip ation p d mw thermal r esi stance j unction to a mbient r ja /w junction tem perature t j storage temp eratu re range t st g f orward s u rge c urrent @ t =8.3 ms non-repetitive peak i fm i o i fsm i frm 5 5 5 225 625 2.5 electrical characteristics (ta=25 unless other w ise specified) pa ra meter symbol test conditions m in m ax u nit reverse b reakdown voltage v (br) i r = 100a 250 v reverse v oltage leakage current i r v r =200v 0. 1 a forward v o ltage v f i f =100ma i f =200ma 1000 1 2 50 mv diode capacit a nce c d v r =0v, f= 1mhz 5 pf reveres re cov ery time t rr i f =i r =30ma,i rr =0.1i r, r l =100 50 n s js js2 js3 js4 switching diode data sheet semiconductor http://www.yeashin.com 1 rev.02 20140305 h ba s 21 aec-q 101 qualified base p/n - rohs compliant, commercial grade base p/n-a - rohs compliant, aec-q101 qualified ?
typical characteristics 0481 21 6 2 0 0.6 0.8 1.0 1.2 1.4 1.6 0 25 50 75 100 125 150 0 50 100 150 200 250 300 0.0 0.4 0.8 1 .2 1.6 2.0 0.01 0.1 1 10 100 1000 0 40 80 120 160 200 1 10 100 1000 t a =25 f=1mh z capaci t ance characteristics reverse volt age v r (v) capacitance between terminals c t (pf) powe r derating curve power dissipation p d (mw) ambient temperature t a ( ) forw a rd characteristics t a = 1 0 0 o c t a = 2 5 o c forward current i f (ma) forward voltage v f (v) r e v e rse characteristics t a =100 o c t a =25 o c reverse current i r (na) reverse voltage v r (v) http://www.yeashin.com 2 rev.02 20140305 device characteristics bas21/a/c/s -a
min max min m a x a 0.900 1.150 0.035 0.045 a1 0.000 0.100 0.000 0.004 a2 0.900 1.050 0.035 0.041 b 0.300 0.500 0.012 0.020 c 0.080 0.150 0.003 0.006 d 2.800 3.000 0.110 0.118 e 1.200 1.400 0.047 0.055 e1 2.250 2.550 0.089 0.100 e e1 1.800 2.000 0.071 0.079 l l1 0.300 0.500 0.012 0.020 0 8 0 6 0.550 ref 0.022 ref symbol dimensions in inches dimensions in millimeters 0.950 typ 0.037 typ http://www.yeashin.com 3 rev.02 20140305 package outline and dimensions bas21/a/c/s -a
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