STTH60W03C High efficiency rectifier Datasheet - production data A1 Description K The STTH60W03C uses ST 300 V technology. It A2 is especially suited to be used for DC/DC and DC/AC converters in secondary stage of MIG/MMA/TIG welding machine. Housed in ST s TO-247, this device offers high power integration for all welding machines and industrial applications. Table 1: Device summary A2 K Symbol Value A1 IF(AV) 2 x 30 A TO-247 VRRM 300 V Tj 175 C V (typ.) 0.94 V F Features t (typ.) 25 ns rr Ultrafast switching Low reverse current Low thermal resistance Reduced switching losses ECOPACK 2 compliant component February 2018 DocID023144 Rev 2 1/9 www.st.com This is information on a product in full production. Characteristics STTH60W03C 1 Characteristics Table 2: Absolute ratings (limiting values, per diode, limiting values at 25C, unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 300 V I Forward rms current 50 A F(RMS) Per diode Tc = 110 C 30 A Average forward current = 0.5, I F(AV) square wave T = 95 C Per device 60 A c IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 280 A T Storage temperature range -65 to +175 C stg Tj Maximum operating junction temperature range +175 C Table 3: Thermal parameters Symbol Parameter Max. value Unit Per diode 1.5 C/W Rth(j-c) Junction to case Total 0.9 C/W R Coupling 0.3 C/W th(c) When the diodes 1 and 2 are used simultaneously: T = P x R (per diode) + P x R j (diode1) (diode1) th(j-c) (diode2) th(c) Table 4: Static electrical characteristics (per diode) Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 20 j (1) IR Reverse leakage current VR = VRRM A Tj = 125 C - 20 200 T = 25 C - 1.45 j IF = 30 A Tj = 150 C - 0.94 1.15 (2) V Forward voltage drop V F T = 25 C - 1.7 j IF = 60 A Tj = 150 C - 1.18 1.45 Notes: (1) Pulse test: tp = 5 ms, < 2% (2) Pulse test: t = 380 s, < 2 % p To evaluate the conduction losses, use the following equation: 2 P = 0.85 x IF(AV) + 0.010 x IF (RMS) 2/9 DocID023144 Rev 2