bay linear, inc 2418 armstrong street, livermore, ca 94550 tel: (925) 606-5950, fa x: (925) 940-9556 www.baylinear.com surface mount rf pin switch diodes b8390 series pin connection ordering information package part no. sot-26 b839xk6 -x.x description the b-839x series is optimized for switching applications where low resist ance at low current and low capacitance are required. th e b-849x series products feature ultra low parasitic inductance. these products are specifically designed for use at frequencies which are much higher than the upper limit for conventional pin diodes. at bay linear, our commitment to quality components gives our customers a reliable source of rf products, which are tested at a more stringent level than our competitors. manufacturing techniques assure that when two diodes are mounted into a single package they are taken from adjacent sites on the wafer. in cross referenced parts, we guarantee pin to pin compatibility. the various package configurations available provide a low cost solution to a wide variety of design problems. features ? unique configurations in surface mount ? add flexibility ? save board space ? reduce cost ? switching ? low capacitance ? low resistance at low current ? low failure in time (fit) rate ? matched diodes ? high thermal conductivity for greater power bay linear inspire the linear power pin connections and package marking notes: 1. package marking provides orientation and identification 2. see ?electrical specifications? for appropriate package marking 3 1 2 4 5 6 c4z 3 1 2 4 5 6 c4z c4z
bay linear, inc 2418 armstrong street, livermore, ca 94550 tel: (925) 606-5950, fa x: (925) 940-9556 www.baylinear.com b8390 series sot-323 package lead code identification (top view) single 3 12 sot-363 package 6 lead code identification (top view) unconnected trio bridge quad 1 3 5 6 2 4 1 3 5 6 2 4 sot-23/sot-143 package lead code identification (top view) 3 12 common anode common cathode dual anode 3 12 12 3 12 3 unconnected pair 3 12 3 12 common anode common cathode 3 12 dual anode 12 3 12 3 3 12 single 3 12 series 1 3 2 low inductance single 654 1 3 5 6 2 4 series- shunt pair 1 3 2 654 high frequency series
bay linear, inc 2418 armstrong street, livermore, ca 94550 tel: (925) 606-5950, fa x: (925) 940-9556 www.baylinear.com b8390 absolute maximum ratings parameter symbol sot-23/143 sot-323 units peak inverse voltage p iv 100 100 v junction temperature t j 150 150 c storage temperature t stg -65 to 150 -65 to 150 c forward current (1us puls) i f 1 1 amp thermal resistance[2] jc 500 150 c/w dc electrical specifications (t c = 25 c, single diode) part no. package marking configuration maximum forward voltage vf (mv) typical capacitance ct (pf) 8390 8392 8393 8394 8395 8391 8396 8397 8398 839a 839b 839c 839d 839e single series common anode common cathode unconnected pair single series common anode common cathode unconnected trio dual switch mode low inductance single series shunt pair high frequency series 100 2.5 0.30 test conditions vr= vbr if= 5ma f =100 mhz measure ir< 10a v f =5volt f=1 mhz typical parameter, tc = +25c, part number series resistance r s carrier lifetime t (ns) total capacitance c t (pf) 839x 3.8 200 0.2 @5volt test conditions i f = 1.0 ma f = 100 mhz i f = 10 ma i r = 6 ma high frequency (low inductance, 500 mhz ? 3ghz) pin diodes part no. config. min. b.voltage vbr (v) max. series resistance rs typical capacitance ct (pf) max. capacitance ct (pf) typical inductance lt (pf) 849x dual anode 100 2.5 0.33 0.375 1.0 test conditions v r = v br i r < 10a i f = 5ma v r = 5v f =1 mhz v r = 5v f =1 mhz f =500 mhz 3ghz
bay linear, inc 2418 armstrong street, livermore, ca 94550 tel: (925) 606-5950, fa x: (925) 940-9556 www.baylinear.com b8390 graph 1: typical forward current vs. forward voltage v f - forward voltage (v) i f ? forward current (ma) 100 10 1 0.1 0.01 00.2 0.8 0.6 0.4 1.0 1.2 125 c 25 c -50 c graph 1: typical forward current vs. forward voltage v f - forward voltage (v) i f ? forward current (ma) 100 10 1 0.1 0.01 00.2 0.8 0.6 0.4 1.0 1.2 125 c 25 c -50 c graph 3: total rf resistance at 25 c vs. forward bias current. i f ? forward bias current (ma) 100 10 1 0.1 0.01 0.1 10 rf resistance (ohms) 100 1 graph 4: capacitance vs. reverse voltage v r ? reverse voltage (v) 04 81216 20 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 total capacitance (pf) 1 mhz 1 ghz
bay linear, inc 2418 armstrong street, livermore, ca 94550 tel: (925) 606-5950, fa x: (925) 940-9556 www.baylinear.com b8390 cross reference bay part number agilent part number b8390 hsmp3890 b8391 hsmp 389b b8392 hsmp 3892 b8393 hsmp 3893 b8394 hsmp 3894 b8395 hsmp 3895 b8396 hsmp 389c b8397 hsmp 389e b8398 hsmp 389f b839a hsmp 389l b839b hsmp 389r b839c hsmp 389t b839d hsmp 389u b839e hsmp 389v b8490 hsmp 4890 b849a hsmp 489b r t =0.5 + r j c t = c p +c j r j = 20 / i 0.9 ohms where i = forward bias current in ma i b + i s r j c j r s 0.12 pf 0.5 ohms
bay linear, inc 2418 armstrong street, livermore, ca 94550 tel: (925) 606-5950, fa x: (925) 940-9556 www.baylinear.com advance information - these data sheets contain descriptions of products that are in development. the specifications are based on the engineering ca lculations, computer simulations and/ or initial prototype evaluation. preliminary information - these data sheets contain minimum and maxi mum specifications that are based on the initial device characterizations. these lim its are subject to change upon the completion of the full characterization over the specif ied temperature and supply voltage ranges. the application circuit examples are only to explain the repres entative applications of the de vices and are not intended to gua rantee any circuit design or permit any industrial property ri ght to other rights to execute. bay linear takes no responsibility for any problems related to any industrial property right resulting from the use of the contents shown in the da ta book. typical parameters can and do vary in different applications. customer?s technical experts must validate all operating parameters including ? typical? for each customer applic ation. life support and nuclear policy bay linear products are not authorized for and should not be us ed within life support systems which are intended for surgical implants into the body to support or sustain life, in aircraft, sp ace equipment, submarine, or nuc lear facility applications wi thout the specific written consent of bay linear president.
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