SANKEN ELECTRIC CO., LTD. RM4 １ Scope The present specifications shall apply to an RM4. ２ Outline Type Silicon Diode Structure Resin Molded Applications Commercial Frequency Rectification ３ Flammability UL94V-0(Equivalent) ‘041210 1／5 61426-01 SANKEN ELECTRIC CO., LTD. RM4 ４ Absolute maximum ratings No. Item Symbol Unit Rating 1 Transient Peak Reverse Voltage VRSM V 450 2 Peak Reverse Voltage VRM V 400 3 Average Forward Current IF(AV) A 3.0 4 Peak Surge Forward Current IFSM A 200 5 I2t Limiting Value I2 t A2s 200 6 Junction Temperature Tj °C -40 to +150 7 Storage Temperature Tstg °C -40 to +150 Conditions Refer to Derating of 7 10ms. Half sinewave, one shot 1ms ≤ t ≤ 10msec ５ Electrical characteristics (Ta=25 °C, unless otherwise specified) No. Item Symbol Unit Value Conditions 1 Forward Voltage Drop VF V 0.95 max. IF=3.0A 2 Reverse Leakage Current IR uA 10 max. VR=VRM 3 Reverse Leakage Current Under High Temperature H･IR uA 50 max. VR=VRM, Tj=150°C 4 Thermal Resistance Rth(j-l) °C /W 8 max. Between Junction and Lead ‘041210 2／5 61426-01 SANKEN ELECTRIC CO., LTD. RM4 ６ Characteristics IF(AV) － PF 4.0 Tj=150℃ Forward Power Dissipation (W) t T 3.0 t/T=1/6 t/T=1/3,sinewave 2.0 t/T=1/2 DC 1.0 0.0 0.0 1.0 2.0 3.0 Average Forward Current (A) VR － PR 0.020 Tj=150℃ Reverse Power Dissipation (W) t T 0.015 1-t/T=5/6 0.010 1-t/T=2/3 1-t/T=1/2 0.005 sinewave 0.000 0 50 100 150 200 250 300 350 400 Reverse Voltage (V) ‘041210 3／5 61426-01 SANKEN ELECTRIC CO., LTD. RM4 ７ Derating Tl － IF(AV) VR=400(V) 3.0 DC Average Forward Current (A) t/T=1/6 2.0 t/T=1/3, sinewave t/T=1/2 1.0 Tj=150℃ t T 0.0 100 110 120 130 140 150 Lead Temperature (°C) Ta － IF(AV) VR=400(V) 3.0 Average Forward Current (A) P.C.B. Mounted (10mm×10mm Land) DC t/T=1/6 2.0 t/T=1/2 t/T=1/3,sinewave 1.0 Tj=150℃ t T 0.0 0 50 100 150 Ambient Temperature (°C) ‘041210 4／5 61426-01 SANKEN ELECTRIC CO., LTD. RM4 ８ Package information ８-１Package type, physical dimensions and material 50.0± 1.0 8.0± 0.2 ※1 φ1.4 ±0.1 φ6.5 ±0.2 ※3 ※2 *1 The allowance position of Body against the center of whole lead wire is 0.5mm(max.) *2 The centric allowance of lead wire against center of physical body is 0.3mm(max.) *3 The burr may exit up to 2mm from the body of lead Dimensions in ㎜ ８-２ Appearance The body shall be clean and shall not bear any stain, rust or flaw. ８-３ Marking ① Type number RM4 ② Lot number 1 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. ③ Lot number 2 (ten days) ･ ：Top of the month ･･ ：Middle of month ･･･ ：End of month カソード表示 Cathode Band ① ② ① ③ ② ③ ９ Internal structure diagram @ A Weight of products: Approx. 1.2g ‘041210 B No. Name of part Materials ① Plastic body Epoxy Resin ② Chip Silicon ③ Leads Solder Dipped Silver plated copper wire 5／5 61426-01