深圳市尚想信息技术有限公司

EL denotes Everlight
357N denotes Device Number
R denotes CTR Rank
Y denotes 1 digit Year code
WW denotes 2 digit Week code
V denotes VDE approved (optional)

Preheat
Temperature min (Tsmin) 150 °C
Temperature max (Tsmax) 200°C
Time (Tsmin to Tsmax) (ts) 60-120 seconds
Average ramp-up rate (Tsmax to Tp) 3 °C/second max
Other
Liquidus Temperature (TL) 217 °C
Time above Liquidus Temperature (t L) 60-100 sec
Peak Temperature (TP) 260°C
Time within 5 °C of Actual Peak Temperature: TP - 5°C 30 s
Ramp- Down Rate from Peak Temperature 6°C /second max.
Time 25°C to peak temperature 8 minutes max.
Reflow times 3 times