SANKEN ELECTRIC CO., LTD. RU4DS 1. Scope The present specifications shall apply to a RU4DS. 2. Outline Type Silicon Diode Structure Resin Molded Applications Flammability:UL94-V0(Equivalent) High Frequency Rectification, etc. 3. Absolute maximum ratings No. Item Symbol Unit Rating 1 Transient Peak Reverse Voltage VRSM V 1350 2 Peak Reverse Voltage VRM V 1300 3 Average Forward Current IF(AV) A 4 Peak Surge Forward Current 5 6 No. 1.5 (Ta=60°C) With out Fin 2.5 (Ta=60°C) With Fin Refer to 6 IFSM A 50 Junction Temperature Tj °C -4 0 ～ +1 5 0 Storage Temperature Tstg °C -4 0 ～ +1 5 0 4. Electrical characteristics Conditions 10msec. Half sinewave, one shot (Ta=25°C, unless otherwise specified) Item Symbol Unit Conditions Value 1 Forward Voltage Drop VF V 1.80 max. IF=3.0A 2 Reverse Leakage Current IR µA 50 max. VR=VRM 3 Reverse Leakage Current Under High Temperature H･IR µA 500 max. Trr-1 µs 0.4 max. Trr-2 µs 0.18 max. Rth(j-l) °C /W 4 5 031201 Reverse Recovery Time Thermal Resistance 8 max. VR=VRM, Tj=100℃ IF=IRP=0.1A, Ta=25°C 90％ Recovery point IF=0.1A, IRP=0.2A, Ta=25°C 75% Recovery point Between Junction and Lead 1／3 61426-01 SANKEN ELECTRIC CO., LTD. RU4DS 5. VF test and test circuit 6. Derating Derating to the ambient temperature. Power loss generated by voltage is not taken into consideration. IF(AV) (A) Average Forward Current (A) 4.0 3.0 2.0 With heatsink No heatsink 1.0 0 0 20 40 60 80 Ambient temperature 031201 100 120 140 160 Ta (°C) 2／3 61426-01 SANKEN ELECTRIC CO., LTD. RU4DS 7. Package information 7-1 Package type, physical dimensions and material 50.0±1.0 8.0±0.2 *1 *2 *3 *4 ※1 φ1.4±0.1 φ6.5±0.2 ※3 ※2 Dimensions in ㎜ Wire diameter of lead tips isφ1.55mm(max.) The allowance position of body against the center of whole lead wire is 0.5mm (max.) The centric allowance of lead wire against center of physical body is 0.3mm (max.) The burr may exit up to 2mm from the body of lead 7-2 Appearance The body shall be clean and shall not bear any stain, rust or flaw. 7-3 Marking ① Type number RU4DS Cathode Band ② Lot number 1 ① ② First digit : Last digit of year Second digit : Month From 1 to 9 for Jan. to Sep. O for Oct., N for Nov., and D for Dec. ① ③ ② ③ ③ The Type number and Lot number are to be marked in red. 031201 Lot number 2 (ten days) ･： Top of the month ･･： Middle of month ･･･：End of month 3／3 61426-01