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       MBRB4030G, NRVBB4030T4G http://onsemi.com 4 ELECTRICAL CHARACTERISTICS IF(AV), AVERAGE FORWARD CURRENT (A) 50 40 30 20 10 0 010 40 8070 50 30 P F(AV) , AVERAGE FORWARD POWER DISSIPATION (WATTS) 60 DC 10 (PIN 1 SHORTED TO PIN 3) TA, AMBIENT TEMPERATURE (?C) I F(AV) , AVERAGE FORWARD CURRENT (A) (PIN 1 SHORTED TO PIN 3) TA, AMBIENT TEMPERATURE (?C) 20 15 10 5 0 50 I F(AV) , AVERAGE FORWARD CURRENT (A) 100 DC 10 20 SQUARE WAVE (PIN 1 SHORTED TO PIN 3) 150 12 10 8 6 2 0 050 150 100 t, TIME (ms) 1.0 0.1 0.01 1.0 1000100 0.1 R(t), EFFECTIVE TRANSIENT THERMAL 10 SINGLE PULSE RESISTANCE (NORMALIZED) SURFACE MOUNTED ON MINIMUM RECOMMENDED PAD SIZE RJA = 25 ?C/W 4 SQUARE WAVE 20 IPK = 5.0 (CAPACITIVE IAV LOAD) IPK = 5.0 (CAPACITIVE IAV LOAD) ? (RESISTIVE LOAD) IPK = 5.0 (CAPACITIVE IAV LOAD) 20 TJ = 150 ?C 10 20 DC ? (RESISTIVE LOAD) RJA = 50 ?C/W ? (RESISTIVE LOAD) SQUARE WAVE TC, CASE TEMPERATURE (?C) 70 50 40 30 20 10 0 110 150140 120 100 I F(AV) , AVERAGE FORWARD CURRENT (A) 130 10 20 SQUARE WAVE (PIN 1 SHORTED TO PIN 3) 60 DC IPK = 5.0 (CAPACITIVE IAV ? (RESISTIVE LOAD) LOAD) Ppk Ppk tp t? R 1 JL [D + (1 - D) ? r(t 1 + t p) + r(tp) - r(t1)] TIME equivalent square power pulse. DUTY CYCLE, D = tp/t1 PEAK POWER, Ppk, is peak of an TJL = P where pk TJL = the increase in junction temperature above the lead temperature r(t) = normalized value of transient thermal resistance at time, t, for example, r(t) = r(t1 + t p) = normalized value of transient thermal resistance at time, t1 + t p. Figure 6. Current Derating, Infinite Heatsink Figure 7. Current Derating Figure 8. Current Derating, Free Air Figure 9. Forward Power Dissipation Figure 10. Thermal Response |