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OARS-XPR01JI Datasheet(PDF) 2 Page - Welwyn Components Limited |
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OARS-XPR01JI Datasheet(HTML) 2 Page - Welwyn Components Limited |
2 / 3 page Surface Mount Sense Resistors OARS, OARS-XP, OARSZ Series Performance Data (AEC-Q200) OARS1 <R004 R004 to R015 >R015 OARS-XP <R002 R002 to R007 >R007 TCR (-55 to 125ºC) ppm/ºC 240 40 40 Thermal Shock R% 0.75 0.75 0.75 High Temp. Exposure (125ºC) R% 1.75 0.5 1 Temp. Cycling (-40 to 125ºC) R% 1 1 0.75 Operational Life R% 2 1 1 Biased Humidity R% 0.75 0.5 0.5 Mechanical Shock R% 1.5 1 1 Vibration R% 1 1 1 Terminal Strength Meets JIS-C-6429 Solvent Resistance Meets MIL-STD-002 Method 215 Solderability Meets J-STD-002 Method B Note: Temperature rise data are given here for typical mounting conditions. Actual figures depend on PCB copper weight, mounting pad size, track width and substrate type. Also, the open air format responds better to forced air cooling than chip format resistors. For values below 5 milliohms allowance should be made for heat generated in the copper tracks themselves. Application-specific guidance is available on request. Temperature Derating 0 20 40 60 80 100 120 0 25 50 75 100 125 150 175 Ambient Temperature (Deg C) Pulse Energy Rating 0 20 40 60 80 100 120 1 10 100 Value (milliohms) OARS1 OARS-XP Note: For OARS-1Z the above derating graph may be applied to the square of the current rating. Note: This graph relates to single pulses of short duration (≤ 100ms). Higher energy limits apply for longer pulses and overloads Hot Spot Temperature Rise 7.6mm x 7.6mm pads, 2 oz copper on FR4, still air 0 50 100 150 200 250 300 25% 50% 75% 100% Proportion of Rated Power 50 / 25 30 / 15 10 / 5 5 / - Value in milliohms OARS1 / OARS-XP Joint Temperature Rise 7.6mm x 7.6mm pads, 2 oz copper on FR4, still air 0 20 40 60 80 100 25% 50% 75% 100% Proportion of Rated Power 5 / - 10 / 5 30 / 15 50 / 25 Value in milliohms OARS1 / OARS-XP Issue F .09.07 |
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