1SR139-400 1SR139-600 Diode, rectifying, leaded These cylinder-mold type diodes are designed for surge suppression circuits in power rectification circuits. They are able to withstand 40 A surges. Features * available in MSR package part marking, see following table reverse voltage 400 V or 600 V small pitch mechanical insertion package available Applications rectifying surge absorption Absolute maximum ratings (T, = 25C) Dimensions (Units : mm) CATHODE BAND Pf Cathode band color and marking! 40.640.) SI egt+) 29+ Part no. Color Marking 1SR139-400 Green 2R4 1SR139-600 Green 2R6 'The type number (4(00) or 6(00)) and the month of production are marked on the body. Parameter Symbol Limits Unit Conditions Absolute 1SR139-400 500 | peak reverse Vaso Vv voltage 1SR 1 39-600 750 Vam V voltage 1SR139-600 600 Mean rectifying current lo 1.0 A Peak forward surge current lesm 40 A 60 Hz for | cycle Junction temperature Tj 150 C Storage temperature Tstg 40 ~ +150 C Electrical characteristics (unless otherwise noted, T, = 25C) Parameter Symbol) Min |Typical| Max Unit Conditions Forward voltage Ve 0.95 11 Vv lp=10A Reverse 1SR139-400 ; 0.020 10 A Va =400V current 18R139-600] 0.030 | 10 MWg = 600 V Diodes RoOHM 1351SR139-400, 1SR139-600 Rectifying diodes Electrical characteristic curves 10 10u => | | a < a a as _ 100m 1 L tu Zz Zz Wi Pa 3 10m x oO 1 | oO Qa lu im & 100n z S & Wd e ao L 1004 i Ta 25 10u | 4 i 101 0 02 OA 06 1 To 12 14 0 100 200 300 400 500 600 700 FORWARD VOLTAGE : Ve (V3 REVERSE VOLTAGE : Va (V Figure 1 Figure 2 50 pap +1 fe ff . TT mM T. a t-+-} -] - oh lait Forward voltage i : : 1 we ep Lt Reverse voltage 1 ' / | | : : : SURGE FORWARD CURRENT | Irs {A} AVERAGE RECTIFIED FORWARD CURRENT : lo (A) 08 _4 0.6 - oap fede E M4 0.2-- LL <p. DX 0 50 100 150 AMBIENT TEMPERATURE Ta (C} CYCLES (60 Hz) Figure 3 Figure 4 136 ROHM Diodes