Fast-Recovery Rectifier Diodes Electrical Characteristics ( Ta =25°C) Absolute Maximum Ratings Parameter Type No. VRM (V) RU 31 400 RU 31A 600 I F(AV) (A) max IF (A) IR (µA) VR =VRM max IR(H) (µA) VR=VRM Tj=100°C max –40 to +150 1.2 3.0 50 500 Tj (°C) IFSM (A) Tstg (°C) 50Hz Half-cycle Sinewave Single Shot 3.0 150 VF (V) Others trr ➀ trr ➁ (µs) (µs) IF /IRP (mA) IF /IRP (mA) Rth(j- ) Mass (°C/ W) (g) 10 1.0 Fig. 0.4 100/100 0.18 100/200 A RU 31, 31A T 3 t /T=1/ 3, Sinewave 2 t /T=1/2 1 DC 0 0 0.5 1 1.5 2 2.5 Average Forward Current I F(AV) (A) External Dimensions Tj=150°C 2.5 T 2 t /T=1/6 1.5 DC t /T=1/ 3, Sinewave 1 0.5 0 70 3 t /T=1/2 t 120 150 20ms 90 60 30 0 90 110 130 Lead Temperature T (°C) I FMS Rating 150 I FSM (A) t /T=1/6 t 4 Average Forward Current IF(AV) (A) Forward Power Dissipation PF (W) I F(AV) – T Characteristics 3 Tj=150°C Peak Forward Surge Current I FSM (A) I F(AV) – PF Characteristics 5 1 5 10 Overcurrent Cycles 50 Fig. A (Unit: mm) 1.2 ±0.05 Flammability: UL94V-0 or Equivalent 9.1 ±0.2 62.5 ±0.7 Cathode Mark 5.2 ±0.2 1