STTH12R6 Turbo 2 ultrafast high voltage rectifier eatures Ultrafast switching Low reverse recovery current Low thermal resistance Reduces switching losses Package insulation voltage: TO22C ins: 25 V RMS TO-22PC: 2 V DC Description The STTH12R6 uses ST Turbo 2 6V technology and is specially suited as a boost diode in continuous mode power factor corrections and hard switching conditions. This device is also intended for use as a free wheeling diode in power supplies and other power switching applications. K K TO-22C STTH12R6D K NC D 2 PK STTH12R6G K TO-22PC STTH12R6P K TO-22C insulated STTH12R6DIRG Table 1. Symbol Device summary Value I (V) 12 V RRM 6 V I RM (typ) 7 T j 175 C V (typ) 1.4 V t rr (max) 25 ns ebruary 21 Doc ID 7973 Rev 4 1/11 www.st.com 11
Characteristics STTH12R6 1 Characteristics Table 2. bsolute ratings (limiting values) Symbol Parameter Value Unit V RRM Repetitive peak reverse voltage 6 V I (RMS) orward rms current TO-22C / TO-22PC / D 2 PK 3 TO-22C ins. 24 TO-22C / D 2 PK T c = 125 C I (V) verage forward current δ =.5 TO-22PC T c = 5 C 12 TO-22C ins. T c = 8 C I SM Surge non repetitive forward current t p = 1 ms sinusoidal 1 T stg Storage temperature range -65 to + 175 C T j Maximum operating junction temperature 175 C Table 3. Thermal resistance Symbol Parameter Value (max) Unit TO-22C / D 2 PK 1.7 R th(j-c) Junction to case TO-22PC 4.4 C/W TO-22C ins. 3.3 Table 4. Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit I R Reverse leakage current T j = 25 C 45 V R = V RRM T j = 125 C 5 6 µ V orward voltage drop T j = 25 C 2.9 I = 12 T j = 125 C 1.4 1.8 V To evaluate the conduction losses use the following equation: P = 1.16 x I (V) +.53 I 2 (RMS) 2/11 Doc ID 7973 Rev 4
STTH12R6 Characteristics Table 5. Dynamic Characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit t rr Reverse recovery time T j = 25 C I =.5, I rr =.25, I R = 1 I = 1, di /dt = -5 /µs, V R = 3 V I RM Reverse recovery current 7. 8.4 T j = 125 C I = 12, V R = 4 V, S factor Softness factor.2 di /dt = -2 /µs Q rr Reverse recovery charges 18 nc t fr orward recovery time I = 12, di /dt = 96 2 ns V P orward recovery voltage T j = 25 C /µs, V R = 1.1 x V max 5.5 V 25 45 ns igure 1. 3 25 2 15 1 5 P(W) Conduction losses versus average current δ =.5 δ =.1 δ =.2 I (V) () δ =.5 δ=tp/t 1 2 3 4 5 6 7 8 9 1 11 12 13 14 15 igure 3. 1..9.8.7.6.5.4 Z th(j-c) /Rth(j-c) TO-22C TO622C Ins D2PK δ = 1 Relative variation of thermal impedance junction to case versus pulse duration T tp igure 2. 12 11 1 9 8 7 6 5 4 3 2 1 I M() igure 4. 1..9.8.7.6.5.4 orward voltage drop versus forward current (typical values) (maximum values) V M(V) T j=25 C (maximum values) 1 2 3 4 5 6 Z th(j-c) /Rth(j-c) TO-22PC Relative variation of thermal impedance junction to case versus pulse duration.3 Single pulse.3.2.2 Single pulse.1. t (s) p 1.E-3 1.E-2 1.E-1 1.E+.1. t (s) p 1.E-3 1.E-2 1.E-1 1.E+ 1.E+1 Doc ID 7973 Rev 4 3/11
Characteristics STTH12R6 igure 5. Peak reverse recovery current versus di /dt (typical values) igure 6. Reverse recovery time versus di /dt (typical values) 26 24 22 2 18 16 14 12 1 8 6 4 2 I RM() V R=4V I =.25 x I(V) I =.5 x I(V) I=I (V) di /dt(/µs) I =2 x I(V) 2 4 6 8 1 8 7 6 5 4 3 2 1 t (ns) rr I =2 x I(V) I=I (V) I =.5 x I(V) di /dt(/µs) V R=4V 2 4 6 8 1 igure 7. Reverse recovery charges versus di /dt (typical values) igure 8. Softness factor versus di /dt (typical values) 5 45 4 35 Q (nc) rr V R=4V I =2 x I(V).5.45.4 S factor I 2 x I(V) V R=4V 3 I=I (V).35 25.3 2 15 1 5 I =.5 x I(V) di /dt(/µs) 2 4 6 8 1.25.2.15.1 di /dt(/µs) 2 4 6 8 1 igure 9. Relative variations of dynamic parameters versus junction temperature igure 1. Transient peak forward voltage versus di /dt (typical values) 2.5 2.25 2. 1.75 1.5 1.25 1..75.5.25. IRM QRR S factor T ( C) j I=I (V) V R=4V Reference: 25 5 75 1 125 12 11 1 9 8 7 6 5 4 3 2 1 V P(V) I=I (V) di /dt(/µs) 1 2 3 4 5 4/11 Doc ID 7973 Rev 4
STTH12R6 Characteristics igure 11. orward recovery time versus di /dt (typical values) igure 12. Junction capacitance versus reverse voltage applied (typical values) 18 t (ns) fr 1 C(p) 16 14 I=I (V) V R=1.1 x V max. =1MHz V OSC=3mVRMS T j=25 C 12 1 8 6 4 2 di /dt(/µs) 1 2 3 4 5 1 V (V) R 1 1 1 1 igure 13. Thermal resistance junction to ambient versus copper surface under tab 7 R th(j-a) ( C/W) 6 Epoxy printed circuit board, R4 copper thickness = 35 µm 5 4 3 2 1 S Cu (cm²) 5 1 15 2 25 3 35 4 Doc ID 7973 Rev 4 5/11
Package information STTH12R6 2 Package information Epoxy meets UL94, V Cooling method: by conduction (C) Recommended torque value:.4 to.6 N m In order to meet environmental requirements, ST offers these devices in different grades of ECOPCK packages, depending on their level of environmental compliance. ECOPCK specifications, grade definitions and product status are available at: www.st.com. ECOPCK is an ST trademark. Table 6. TO-22C dimensions Ref. Millimeters Dimensions Inches Min. Max. Min. Max. H2 Ø I L5 C L7 4.4 4.6.173.181 C 1.23 1.32.48.51 D 2.4 2.72.94.17 E.49.7.19.27 L2 L6.61.88.24.34 1 1.14 1.7.44.66 G 4.95 5.15.194.22 1 L9 D H2 1. 1.4.393.49 L4 L2 16.4 typ..645 typ. L4 13. 14..511.551 G M E L5 2.65 2.95.14.116 L6 15.25 15.75.6.62 L7 6.2 6.6.244.259 L9 3.5 3.93.137.154 M 2.6 typ..12 typ. Dia. I 3.75 3.85.147.151 6/11 Doc ID 7973 Rev 4
STTH12R6 Package information Table 7. TO-22PC dimensions Dimensions Ref. Millimeters Inches Min. Max. Min. Max. H B 4.4 4.6.173.181 B 2.5 2.7.98.16 D 2.5 2.75.98.18 L3 L2 L4 1 L6 L5 Dia D L7 E.45.7.18.27.75 1.3.39 1 1.15 1.7.45.67 G 4.95 5.2.195.25 G1 2.4 2.7.94.16 H 1 1.4.393.49 L2 16 Typ..63 Typ. L3 28.6 3.6 1.126 1.25 G1 G E L4 9.8 1.6.386.417 L5 2.9 3.6.114.142 L6 15.9 16.4.626.646 L7 9. 9.3.354.366 Dia. 3. 3.2.118.126 Doc ID 7973 Rev 4 7/11
Package information STTH12R6 Table 8. TO-22C (nins. and ins. 2-up) dimensions Dimensions Ref. Millimeters Inches Min. Typ. Max. Min. Typ. Max. 15.2 15.9.598.625 B Ø I b2 C a1 3.75.147 a2 13. 14..511.551 I4 L B 1. 1.4.393.49 b1.61.88.24.34 b2 1.23 1.32.48.51 C 4.4 4.6.173.181 a1 c2 c1.49.7.19.27 l2 a2 c2 2.4 2.72.94.17 e 4.8 5.4.189.212 e b1 M c1 6.2 6.6.244.259 ØI 3.75 3.85.147.151 I4 15.8 16.4 16.8.622.646.661 L 2.65 2.95.14.116 l2 1.14 1.7.44.66 M 2.6.12 8/11 Doc ID 7973 Rev 4
STTH12R6 Package information Table 9. D 2 PK dimensions Dimensions Ref. Millimeters Inches Min. Max. Min. Max. L2 E C2 4.4 4.6.173.181 1 2.49 2.69.98.16 2.3.23.1.9 B.7.93.27.37 L D B2 1.14 1.7.45.67 L3 B2 B 1 C R C.45.6.17.24 C2 1.23 1.36.48.54 D 8.95 9.35.352.368 G E 1. 1.4.393.49 2 G 4.88 5.28.192.28 L 15. 15.85.59.624 M * V2 * LT ZONE NO LESS THN 2mm L2 1.27 1.4.5.55 L3 1.4 1.75.55.69 M 2.4 3.2.94.126 R.4 typ..16 typ. V2 8 8 igure 14. ootprint (dimensions in mm) 16.9 1.3 5.8 1.3 8.9 3.7 Doc ID 7973 Rev 4 9/11
Ordering information STTH12R6 3 Ordering information Table 1. Ordering information Order code Marking Package Weight Base qty Delivery mode STTH12R6D STTH12R6D TO-22C 1.9 g 5 Tube STTH12R6G STTH12R6G D 2 PK 1.48 g 5 Tube STTH12R6G-TR STTH12R6G D 2 PK 1.48 g 1 Tape and reel STTH12R6P STTH12R6P TO-22PC 1.7 g 5 Tube STTH12R6DIRG STTH12R6DI TO-22C ins. 1.86 g 5 Tube 4 Revision history Table 11. Document revision history Date Revision Changes January-22 1 Initial release. 18-Oct-24 2 D 2 PK and TO-22C insulated packages added 1-ug-26 3 Reformatted to current standards. dded package insulation voltages on page 1 15-eb-21 4 Corrected typographical error in order codes in Table 1. 1/11 Doc ID 7973 Rev 4
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