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STPS1545CG-TR Datasheet(PDF) 2 Page - STMicroelectronics |
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STPS1545CG-TR Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 9 page Characteristics STPS1545C 2/9 1 Characteristics When the diodes 1 and 2 are used simultaneously : ΔTj(diode 1) = P(diode1) x R th(j-c)(Per diode) + P(diode 2) x Rth(c) To evaluate the conduction losses use the following equation: P = 0.42 x IF(AV) + 0.020 IF 2 (RMS) Table 1. Absolute Ratings (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 45 V IF(RMS) RMS forward voltage 20 A IF(AV) Average forward current δ = 0.5 Tc = 157° C Per diode 7.5 A IFSM Surge non repetitive forward current tp = 10 ms Sinusoidal 150 A IRRM Peak repetitive reverse current tp = 2 µs square F = 1 kHz 1A IRSM Non repetitive peak reverse current tp = 100 µs square 2 A PARM Repetitive peak avalanche power tp = 1 µs Tj = 25°C 2700 W Tstg Storage temperature range -65 to + 175 °C Tj Maximum operating junction temperature (1) 1. thermal runaway condition for a diode on its own heatsink 175 °C dV/dt Critical rate of rise of reverse voltage 10000 V/µs Table 2. Thermal resistances Symbol Parameter Value Unit Rth(j-c) Junction to case Per diode Total 3.0 1.7 °C/W Rth(c) Coupling 0.35 Table 3. Static electrical characteristics (per diode) Symbol Parameter Test Conditions Min. Typ. Max. Unit IR (1) 1. Pulse test: tp = 380 µs, δ < 2% Reverse leakage current Tj = 25°C VR =VRRM 100 µA Tj = 125°C 5 15 mA VF (1) Forward voltage drop Tj = 125°C IF = 7.5A 0.5 0.57 V Tj = 25°C IF = 15 A 0.84 Tj = 125°C IF = 15 A 0.65 0.72 dPtot dTj --------------- 1 Rth j a – () -------------------------- < |
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