this is information on a product in full production. april 2013 docid023406 rev 3 1/9 9 STTH8T06 600 v tandem extra fast diode datasheet ? production data features ? high voltage rectifier ? tandem diodes in series ? very low switching losses ? insulated device with internal ceramic ? equal thermal conditions for both 300 v diodes ? static and dynamic equ ilibrium of internal diodes are warranted by design ? insulated package: ? capacitance: 7 pf ? insulated voltage: 2500 v rms description this device is part of st's second generation of 600 v tandem diodes. it has ultralow switching- losses with a minimized q rr (6 nc) that makes it perfect for use in circuits working in hard- switching mode. in particular the v f /q rr trade-off positions this device between standard ultrafast diodes and silicon-carbide schottky rectifiers in terms of price/performance ratio. the device offers a new positioning giving more flexibility to power-circuit designers looking for good performance while still respecting cost constraints. featuring st's turbo 2 600 v technology, the device is particularly suited as a boost diode in continuous conduction mode power factor correction circuits. table 1. device summary symbol value i f(av) 8 a v rrm 600 v t rr (typ) 15 ns i rm (typ) 2.3 a v f (typ) 2.05 v i frm) 40 a t j (max) 175 c to-220ac ins stth di 8t06 a a k k www.st.com
characteristics STTH8T06 2/9 docid023406 rev 3 1 characteristics to evaluate the conduction loss es use the following equation: p = 1.75 x i f(av) + 0.10 i f 2 (rms) table 2. absolute ratings (limiting values at t j = 25 c, unless otherwise specified) symbol parameter value unit v rrm repetitive peak reverse voltage t j from 25 to 150 c 600 v t j = -40 c 550 i f(rms) forward rms current 14 a i f(av) average forward current, ? = 0.5 t c = 100 c 8 a i fsm surge non repetitive forward current t p = 10 ms sinusoidal 80 a i frm repetitive peak forward current t c = 100 c, ? = 0.1 40 a t stg storage temperature range -65 to +175 c t j operating junction temperature -40 to +175 c table 3. thermal parameters symbol parameter value unit r th(j-c) junction to case 2.8 c/w table 4. static electrical characteristics symbol parameter test conditions min. typ. max. unit i r (1) reverse leakage current t j = 25 c v r = v rrm 10 a t j = 125 c 30 300 v f (2) forward voltage drop t j = 25 c i f = 8 a 2.95 v t j = 150 c 2.05 2.55 1. pulse test: t p = 5 ms, ? < 2% 2. pulse test: t p = 380 s, ? < 2%
docid023406 rev 3 3/9 STTH8T06 characteristics table 5. dynamic characteristics symbol parameter test conditions min. typ. max. unit t rr reverse recovery time t j = 25 c i f = 1 a, v r = 30 v, di f /dt = -50 a/s 23 30 ns i f = 8 a, v r = 400 v, di f /dt = -200 a/s 15 20 t j = 125 c i f = 8 a, v r = 400 v, di f /dt = -200 a/s 22 i rm reverse recovery current t j = 25 c i f = 8 a, v r = 400 v, di f /dt = -200 a/s 0.8 1.1 a t j = 125 c 2.3 3 s softness factor t j = 25 c 1.6 - t j = 125 c 0.8 q rr reverse recovery charge t j = 25 c 6 nc t j = 125 c 28 figure 1. average forward power dissipation versus average forward current figure 2. forward voltage drop versus forward current (typical values) 0 4 8 12 16 20 24 28 32 012345678910 p f(av) (w) 11 t =tp/t tp i f(av) (a) =0.05 =0.1 =0.2 =0.5 =1 i fm (a) 0.1 1.0 10.0 100.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 v fm (v) t j =150 c t j =125 c t j =25 c figure 3. relative variation of thermal impedance, junction to case, versus pulse duration figure 4. peak reverse recovery current versus di f /dt (typical values) z t h (j-c) /r t h (j-c) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-04 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 t p (s) single pulse i rm (a) 0 1 2 3 4 5 6 7 8 0 100 200 300 400 500 600 700 800 900 1000 v r =400 v t j =125 c i f =0.5 x i f(av) i f =i f(av) i f =2 x i f(av) di f /dt(a/s)
characteristics STTH8T06 4/9 docid023406 rev 3 figure 5. reverse recovery time versus di f /dt (typical values) figure 6. reverse recovery charges versus di f /dt (typical values) t rr (ns) 0 10 20 30 40 50 0 100 200 300 400 500 600 700 800 900 1000 v r =400 v t j =125 c i f =0.5 x i f(av) i f =i f(av) i f =2 x i f(av) di f /dt(a/s) q rr (nc) di f /dt(a/s) 0 10 20 30 40 50 60 0 100 200 300 400 500 600 700 800 900 1000 v r =400 v t j =125 c i f =0.5 x i f(av) i f =i f(av) i f =2 x i f(av) figure 7. reverse recovery softness factor versus di f /dt (typical values) figure 8. relative variations of dynamic parameters versus junction temperature 0.0 0.5 1.0 1.5 2.0 0 100 200 300 400 500 600 700 800 900 1000 s fact or i f =i f(av) v r =400 v t j =125 c di f /dt(a/s) 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 25 50 75 100 125 t j (c) i f =i f(av) v r =400 v reference: t j =125 c s factor i rm q rr figure 9. junction capacitance versus reverse voltage applied (typical values) figure 10. relative variation of non-repetitive peak surge forward current versus pulse duration c(pf) 10 100 1 10 100 1000 f=1 mhz v osc =30 mv rms t j =25 c v r (v) 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.1 1.0 10.0 i (t )/i (10ms) fsm p fsm , t (ms) p sinusoidal waveform
docid023406 rev 3 5/9 STTH8T06 characteristics figure 11. relative variation of non-repetitive peak surge forward current versus initial junction temperature (sinusoidal waveform) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 25 50 75 100 125 150 175 t (c) j i (t )/i (25 c) fsm j fsm
package information STTH8T06 6/9 docid023406 rev 3 2 package information ? epoxy meets ul94, v0 ? cooling method: by conduction (c) ? recommended torque: 0.4 to 0.6 nm 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 a nd product status are available at: www.st.com . ecopack ? is an st trademark. figure 12. t0-220ac ins dimension definitions c b2 c2 f ? i l a a1 a2 b e b1 i4 l2 c1 m
docid023406 rev 3 7/9 STTH8T06 package information table 6. t0-220ac ins dimension values ref. dimensions millimeters inches min. typ. max. min. typ. max. a 15.20 15.90 0.598 0.625 a1 3.75 0.147 a2 13.00 14.00 0.511 0.551 b 10.00 10.40 0.393 0.409 b1 0.61 0.88 0.024 0.034 b2 1.23 1.32 0.048 0.051 c 4.40 4.60 0.173 0.181 c1 0.49 0.70 0.019 0.027 c2 2.40 2.72 0.094 0.107 e 4.80 5.40 0.189 0.212 f 6.20 6.60 0.244 0.259 ?i 3.75 3.85 0.147 0.151 i4 15.80 16.40 16.80 0.622 0.646 0.661 l 2.65 2.95 0.104 0.116 l2 1.14 1.70 0.044 0.066 m 2.60 0.102
ordering information STTH8T06 8/9 docid023406 rev 3 3 ordering information 4 revision history table 7. ordering information order code marking package weight base qty delivery mode STTH8T06di STTH8T06di to-220ac ins 2.30 g 50 tube table 8. document revision history date revision changes 16-oct-2012 1 initial release 07-nov-2012 2 expanded description section 11-apr-2013 3 added figure 10 and figure 11 .
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