RM4Y SANKEN | Alldatasheet
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Technical content
SANKEN ELECTRIC CO., LTD. RM4Y 041021 1／3 61426-01
１ Scope
The present specifications shall apply to Sanken silicon diode, RM4Y.
２ Outline
Type Silicon Rectifier Diode (Mesa type) Structure Resin Molded Flammability : UL94V-0 (Equivalent) Applications Commercial Frequency Rectification, etc.
３ Absolute maximum ratings
No. Item Symbol Unit Rating Conditions
1 Transient Peak Reverse V oltage VRSM V 150
2 Peak Reverse V oltage VRM V 100
3 Average Forward Current IF(A V) A 3.0 Refer to derating curve in Section 6 4 Peak Surge Forward Current IFSM A 200 10ms. Half sine wave, one shot
5 Junction Temperature Tj °C -40 to +150
6 Storage Temperature Tstg °C -40 to +150
４ Electrical characteristics (Ta=25°C, unless otherwise specified)
No. Item Symbol Unit Rating Conditions 1 Forward V oltage Drop VF V 0.95 max. IF=3.0A 2 Reverse Leakage Current IR µA 10 max. VR=VRM
3 Reverse Leakage Current Under
High Temperature H･IR µA 50 max. VR=VRM, Tj=150°C 4 Thermal Resistance Rth(j-l) °C/W 8.0 max. Between Junction and Lead
SANKEN ELECTRIC CO., LTD. RM4Y 041021 2／3 61426-01
５ VF test and test circuit
６ Derating
Derating to the ambient temperature Power loss generated by voltage is not taken into consideration. Average Forward Current (A) Ambient Temperature (°C) Copper fin 20×20×1t
SANKEN ELECTRIC CO., LTD. RM4Y 041021 3／3 61426-01
７ Dimensions, inner structure and marking
７-１ Dimensions refer 50.0±1.0 8.0±0.2 φ6.5±0.2 φ1.4±0.1※1 ※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 exist 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. The color of the case will be black. ７-３ Marking ① Type number RM4Y 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 The color of marking must be white Dimensions in mm カソード表示 Cathode Band ② ③ ② ③ Cathode Mark