First line: View LEDs Part Number: 67-21SUYC Package outlines Re-flow Profile Reflow Temp/TimeAbstract: .. Part Number: 67-21SUYC. Package outlines & Re-flow Profile. ÑSoldering iron Basic spec is U 5sec when 260 °C. If temperature is higher, time should be shorter +10 °C∆ -1sec .Power dissipation .. Tags: datasheet abstract..