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october 2009 doc id 12563 rev 2 1/14 14 bas70 low capacitance, low series induct ance and resistance schottky diodes features very low conduction losses negligible switching losses low forward and reverse recovery times surface mount device low capacitance diode low resistance and inductance description the bas70 series uses 70 v schottky barrier diodes packaged in sod-123, sod-323, sod- 523, sot-23, sot-323, sot-323-6l or sot-666. these diodes are specially suited for signal detection and temperature compensation in rf applications. table 1. device summary symbol value i f 70 ma v rrm 70 v c (max) 2 pf t j (max) 150 c sod-323 sod-523 sot-23 sot-666 bas70jfilm (single) bas70kfilm (single) bas70film (single) bas70-04film (series) bas70-05film (common cathode) bas70wfilm (single) bas70-05wfilm (common cathode) bas70-06wfilm (common anode) bas70-04wfilm (series) bas70-07p6film (2 parallel diodes) BAS70-08SFILM (3 parallel diodes) bas70-09p6film (2 opposite diodes) bas70-06film (common anode) sot-323 sot-323-6l configurations in top view sod-123 bas70zfilm (single) www.st.com
characteristics bas70 2/14 doc id 12563 rev 2 1 characteristics table 2. absolute ratings (limiting values at t j = 25 c, unless otherwise specified) symbol parameter value unit v rrm repetitive peak reverse voltage 70 v i f continuous forward current 70 ma i fsm surge non repetitive forward current t p = 10 ms sinusoidal 1 a t stg storage temperature range - 65 to +150 c t j maximum operating junction temperature 150 c t l maximum soldering temperature 260 c table 3. thermal parameters symbol parameter value unit r th(j-a) junction to ambient (1) 1. epoxy printed ci rcuit board with recommended pad layout sod-123, sot-23 500 c/w sot-323, sod-323 550 sod-523, sot-666 600 table 4. static electrical characteristics symbol parameter test conditions min. typ. max. unit i r (1) 1. pulse test: t p = 5 ms, < 2 % reverse leakage current t j = 25 c v r = 50 v 100 na v r = 70 v 10 a v f (2) 2. pulse test: t p = 380 s, < 2 % forward voltage drop t j = 25 c i f = 1 ma 410 mv i f = 10 ma 750 i f = 15 ma 1000 table 5. dynamic characteristics symbol parameter test conditions min. typ. max. unit c diode capacitance v r = 0 v, f = 1 mhz 2 pf r f differential forward resistance i f = 10 ma, f = 100 mhz 30 l s series inductance 1.5 nh
bas70 characteristics doc id 12563 rev 2 3/14 figure 1. average forward power dissipation versus average forward current figure 2. average forward current versus ambient temperature ( = 1) 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 d=0.05 d=0.1 d=0.2 d=0.5 d=1 t d =tp/t tp p(w) i f(av) (a) 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0 25 50 75 100 125 150 i f(av) (a) t d =tp/t tp t amb (c) figure 3. reverse leakage current versus reverse applied voltage (typical values) figure 4. reverse leakage current versus junction temperature (typical values) 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 0 10203040506070 i r (a) tj=150 c tj=85 c tj=25 c v r (v) 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 0 25 50 75 100 125 150 i r (a) v r =50 v t j (c) figure 5. junction capacitance versus reverse applied voltage (typical values) figure 6. forward voltage drop versus forward current (typical values) 0.1 1.0 10.0 0.1 1.0 10.0 100.0 c(pf) f=1 mhz v osc =30 mv rms tj=25 c v r (v) 1.e-01 1.e+00 1.e+01 1.e+02 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 i fm (ma) tj=85c tj=85c tj=-40 c tj=-40 c tj=150 c v fm (v)
characteristics bas70 4/14 doc id 12563 rev 2 figure 7. forward voltage drop versus forward current (typical values) figure 8. differential forward resistance versus forward current (typical values) 1.e-01 1.e+00 1.e+01 1.e+02 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 i fm (ma) tj=125 c tj=25 c v fm (v) 10 100 1000 0.1 1.0 10.0 f=100 mhz tj=25 c r() f i f (ma) figure 9. relative variation of thermal impedance junction to ambient versus pulse duration figure 10. relative variation of thermal impedance junction to ambient versus pulse duration 10 100 1000 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 z th(j-a) (c/w) single pulse sot-323-6l t p (s) printed circuit board, epoxy fr4 e = 35 m sot-323-6l cu 0.01 0.10 1.00 1.e-02 1.e-01 1.e+00 1.e+01 1.e+0 2 z th(j-a) /r th(j-a) single pulse sot-23 aluminesubstrate 10 x 8 x 0.5 mm t p (s) alluminium oxide substrate 10 x 8 x 0.5 mm sot-23 figure 11. relative variation of thermal impedance junction to ambient versus pulse duration figure 12. relative variation of thermal impedance junction to ambient versus pulse duration 0.01 0.10 1.00 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 z th(j-a) /r th(j-a) single pulse sod-323 epoxyfr4 s cu =2.25 mm2 e cu =35 m t p (s) printed circuit board, epoxy fr4 e = 35 m sod-323 cu 0.01 0.10 1.00 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 z th(j-a) /r th(j-a) single pulse sot-666 epoxy fr4 e cu =35 m t p (s) printed circuit board, epoxy fr4 e = 35 m sot-666 cu
bas70 ordering information scheme doc id 12563 rev 2 5/14 2 ordering information scheme figure 15. ordering information scheme figure 13. relative variation of thermal impedance junction to ambient versus pulse duration figure 14. thermal impedance junction to ambient versus copper surface under each lead 0.00 0.01 0.10 1.00 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 z th(j-a) /r th(j-a) single pulse sod-523 epoxyfr4 e cu =35 m t p (s) printed circuit board, epoxy fr4 e = 35 m sod-523 cu 300 350 400 450 500 550 600 0 5 10 15 20 25 30 35 40 45 50 r th(j-a) (c/w) s cu (mm2) printed circuit board, epoxy fr4 e = 35 m sod-323 cu bas70 xx xx film signal schottky diodes package packing v=70v rrm no letter = single diode 05 = common cathode 07 = 2 parallel diodes 09 = 2 opposite diodes 04 = series diodes 06 = common anode 08 = 3 parallel diodes blank = sot-23 s = sot323-6l z = sod-123 j = sod-323 w = sot-323 k = sod-523 p6 = sot-666 film = tape and reel configuration
package information bas70 6/14 doc id 12563 rev 2 3 package information epoxy meets ul94, v0 lead-free packages in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 16. sod-123 footprint (dimensions in mm) table 6. sod-123 dimensions ref. dimensions millimeters inches min. max. min. max. a 1.45 0.057 a1 0 0.1 0 0.004 a2 0.85 1.35 0.033 0.053 b 0.55 typ. 0.022 typ. c 0.15 typ. 0.039 typ. d 2.55 2.85 0.1 0.112 e 1.4 1.7 0.055 0.067 g0.25 0.01 h 3.55 3.95 0.14 0.156 h b d e a1 a2 a g c 4.45 0.65 2.51 0.97 0.97
bas70 package information doc id 12563 rev 2 7/14 figure 17. sod-323 footprint (dimensions in mm) table 7. sod-323 dimensions ref. dimensions millimeters inches min. max. min. max. a 1.17 0.046 a1 0 0.1 0 0.004 b 0.25 0.44 0.01 0.017 c 0.1 0.25 0.004 0.01 d 1.52 1.8 0.06 0.071 e 1.11 1.45 0.044 0.057 h 2.3 2.7 0.09 0.106 l 0.1 0.46 0.004 0.02 q1 0.1 0.41 0.004 0.016 h b d e a1 a l q1 c 3.20 0.54 1.08 1.06 1.06
package information bas70 8/14 doc id 12563 rev 2 figure 18. sod-523 footprint (dimensions in mm) table 8. sod-523 dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.50 0.60 0.70 0.020 0.024 0.028 e 1.50 1.60 1.70 0.059 0.063 0.067 e1 1.10 1.20 1.30 0.043 0.047 0.051 d 0.70 0.80 0.90 0.028 0.031 0.035 b 0.25 0.35 0.010 0.014 c 0.07 0.20 0.003 0.008 l 0.15 0.20 0.25 0.006 0.008 0.010 l1 0.05 0.20 0.002 0.008 e1 2xb seating plane r0.1 c 8 7 l d e 0.15 0.20 c c a a b b b a c a l1 m m 0.7 0.3 2
bas70 package information doc id 12563 rev 2 9/14 figure 19. sot-23 footprint (dimensions in mm) table 9. sot-23 dimensions ref. dimensions millimeters inches min. max. min. max. a 0.89 1.4 0.035 0.055 a1 0 0.1 0 0.004 b 0.3 0.51 0.012 0.02 c 0.085 0.18 0.003 0.007 d 2.75 3.04 0.108 0.12 e 0.85 1.05 0.033 0.041 e1 1.7 2.1 0.067 0.083 e 1.2 1.6 0.047 0.063 h 2.1 2.75 0.083 0.108 l 0.6 typ. 0.024 typ. s 0.35 0.65 0.014 0.026 a1 a l h b e d e e1 s c 0.95 0.61 1.26 3.25 0.73
package information bas70 10/14 doc id 12563 rev 2 figure 20. sot-323 footprint (dimensions in mm) table 10. sot-323 dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.8 1.1 0.031 0.043 a1 0.0 0.1 0.0 0.004 b 0.25 0.4 0.010 0.016 c 0.1 0.26 0.004 0.010 d 1.8 2.0 2.2 0.071 0.079 0.086 e 1.15 1.25 1.35 0.045 0.049 0.053 e 0.65 0.026 h 1.8 2.1 2.4 0.071 0.083 0.094 l 0.1 0.2 0.3 0.004 0.008 0.012 q 0 30 0 30 a1 a l h c b e d e 0.95 1.0 2.9 0.50 0.8
bas70 package information doc id 12563 rev 2 11/14 figure 21. sot323-6l footprint (dimensions in mm) table 11. sot323-6l dimensions ref. dimensions millimeters inches min. max. min. max. a 0.8 1.1 0.031 0.043 a1 0 0.1 0 0.004 a2 0.8 1 0.031 0.039 b 0.15 0.3 0.006 0.012 c 0.1 0.18 0.004 0.007 d 1.8 2.2 0.071 0.086 e 1.15 1.35 0.045 0.053 e 0.65 typ. 0.025 typ. h 1.8 2.4 0.071 0.094 q 0.1 0.4 0.004 0.016 a1 a2 a l he c q1 b e d e e 0.65 0.80 1.05 1.05 2.9 0.40
package information bas70 12/14 doc id 12563 rev 2 figure 22. sot-666 footprint (dimensions in mm) table 12. sot-666 dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.45 0.60 0.018 0.024 a3 0.08 0.18 0.003 0.007 b 0.17 0.34 0.007 0.013 b1 0.19 0.27 0.34 0.007 0.011 0.013 d 1.50 1.70 0.059 0.067 e 1.50 1.70 0.059 0.067 e1 1.10 1.30 0.043 0.051 e0.50 0.020 l1 0.19 0.007 l2 0.10 0.30 0.004 0.012 l3 0.10 0.004 d b l3 l1 e b1 e1 l2 e a a3 0.50 2.60 0.62 0.30 0.99
bas70 ordering information doc id 12563 rev 2 13/14 4 ordering information 5 revision history table 13. ordering information order code marking package weight base qty delivery mode bas70zfilm z70 sod-123 10 mg 3000 tape and reel bas70film d76 sot-23 single 10 mg 3000 tape and reel bas70-04film d96 sot-23 series 10 mg 3000 tape and reel bas70-05film d97 sot-23 common cathode 10 mg 3000 tape and reel bas70-06film d98 sot-23 common anode 10 mg 3000 tape and reel bas70wfilm d28 sot-323 single 6 mg 3000 tape and reel bas70-04wfilm d31 sot-323 series 6 mg 3000 tape and reel bas70-05wfilm d30 sot-323 common cathode 6 mg 3000 tape and reel bas70-06wfilm d29 sot-323 common anode 6 mg 3000 tape and reel BAS70-08SFILM d33 sot323-6l 3 parallel 6 mg 3000 tape and reel bas70jfilm 76 sod-323 5 mg 3000 tape and reel bas70kfilm 76 sod-523 1.4 mg 3000 tape and reel bas70-07p6film p7 sot-666 2 parallel 2.9 mg 3000 tape and reel bas70-09p6film q7 sot-666 2 opposite 2.9 mg 3000 tape and reel table 14. document revision history date revision changes 24-jul-2006 1 bas70j / w datasheets merged. ecopack statement added. sod- 523 and sot-666 packages added. 12-oct-2009 2 updated table 8 quote ?l1? from 0.10 to 0.05.
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