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                                 Philips Semiconductors Product specification Rectifier diodes BY229F, BY229X series fast, soft-recovery Fig.1. Definition of trr, Qs and I rrm Fig.2. Maximum forward dissipation, PF = f(I F(AV)); square wave current waveform; parameter D = duty cycle = tp/T. Fig.3. Maximum forward dissipation, PF = f(I F(AV)); sinusoidal current waveform; parameter a = form factor = IF(RMS)/IF(AV). Fig.4. Maximum non-repetitive rms forward current. IF = f(t p); sinusoidal current waveform; Tj = 150?C prior to surge with reapplied VRWM. Fig.5. Typical and maximum forward characteristic; IF = f(V F); parameter Tj Fig.6. Maximum Qs at T j = 25?C and 150?C 100% time dI F dt IR I F Irrm trr 25% Qs 1ms 10ms 0.1s 1s 10s tp / s IFS(RMS) / A80 BY229 70 60 50 40 30 20 10 0 IFSM 0 1 BY229F VF / V IF / A30 20 10 0 2 0.5 1.5 max typ Tj = 150 C Tj = 25 C 0 0 2 4 6 8 10 12 BY329 IF(AV) / A 20 PF / W 15 10 5 Ths(max) / C 150 54 78 102 126 0.5 0.2 0.1 D = 1.0 D = tp T tp T I t Vo = 1.25 V Rs = 0.03 Ohms 1 100 BY329 -dIF/dt (A/us) 10 Qs / uC Tj = 150 C 1 0.1 10 2 A IF = 10 A 10 A 1 A 1 A 2 A Tj = 25 C 0 0 2 4 6 150 8 BY329 IF(AV) / A 15 PF / W 10 5 4 2.8 2.2 1.9 a = 1.57 Ths(max) / C78 102 126 Vo = 1.25 V Rs = 0.03 Ohms September 1998 3 Rev 1.200 |