this is information on a product in full production. october 2014 docid026969 rev1 1/8 8 stth31ac06s turbo 2 ultrasoft high voltage rectifier datasheet ? production data features ? ultrafast switching ? low reverse recovery current ? high thermal resistance ? reduces switching losses description the stth31ac06s uses a new technology which allows a very high softness during the application. it is well-suited as boost diode, especially for use in air conditioning equipment as continuous mode interleaved power factor correction. 7 2 / / . $ $ $ . $ table 1. device summary symbol value i f(av) 30 a v rrm 600 v t rr (typ) 45 ns v f (typ) 1.35 v t j (max) 175 c www.st.com
characteristics stth31ac06s 2/8 docid026969 rev1 1 characteristics to evaluate the conduction losses use the following equation: p = 1.24 x i f(av) + 0.017 i f 2 (rms) table 2. absolute ratings (limiting values per diode at 25 c, unless otherwise specified) symbol parameter value unit v rrm repetitive peak reverse voltage 600 v i f(av) average forward current t c = 90 c 30 a i f(rms) forward rms current 45 a i fsm surge non repetitive forward current t p = 10 ms sinusoidal 150 a t stg storage temperature range -40 to +175 c t j maximum operating junction temperature 175 c table 3. thermal parameters symbol parameter value unit r th(j-c) junction to case 1.25 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 = 150 c 20 200 v f (2) forward voltage drop t j = 25 c i f = 30 a 1.55 2.0 v t j = 150 c 1.35 1.75 1. pulse test: t p = 5 ms, < 2% 2. pulse test: t p = 380 s, < 2%
docid026969 rev1 3/8 stth31ac06s characteristics table 5. dynamic characteristics (per diode) 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 = -100 a/s 45 65 ns i rm reverse recovery current t j = 150 c i f = 30a, v r = 400 v, di f /dt = -1000 a/s 36 a q rr reverse recovery charge 2.5 c s factor softness factor 2.2 t fr forward recovery time t j = 25 c i f = 30 a, v fr = 2.5 v, di f /dt = +500 a/s 150 ns v fp forward recovery voltage 5.5 v figure 1. average forward power dissipation versus average forward current figure 2. forward voltage drop versus forward current (typical values) / / / / / 3 ) $ 9 : , ) $ 9 $ 7 / w s 7 w s , ) $ 9 ) 9 7 m ? & 7 m ? & figure 3. forward voltage drop versus forward current (maximum values) figure 4. relative variation of thermal impedance, junction to case, versus pulse duration , ) $ 9 ) 9 7 m ? & 7 m ? & ( ( ( ( ( = w k m f 5 w k m f w 3 v 6 l q j o h s x o v h
characteristics stth31ac06s 4/8 docid026969 rev1 figure 5. junction capacitance versus reverse voltage applied (typical values) & |