Profile for Pb Free 260ºC Reflow 300 Peak Temp 260 °C -5 +0 250 Time over 217°C 60 - 150 secs Pre-heat 150°C +/- 25°C 60 - 180 secs 150 Average Ramp down rate 6°C/Sec Max 100 Average Ramp-up rate 3°C/Sec Max 50 Time 25°C to Peak, 8 mins Max Time Secs 400 380 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 0 Temperature °C 200 Time within 5°C of peak 10 - 40 secs Profile for SnPb Reflow 250 Peak Temp 225°C-5 +0 Time within 5°C of peak 10- 30 secs Temperature °C 200 150 100 Pre-heat 125°C +/- 25°C 60 -120 secs Time over 183°C 60- 150 secs Average Ramp up rate 3°C/Sec Max 50 Time 25°C to Peak, 6 mins max 0 Time Secs CML Microcircuits: Publication D/SoldProf/2 June 2005 Average Ramp down rate 6°C/Sec Max