RH10FTN4993 Datasheet, PDF (8/9 Pages) List of Unclassifed Manufacturers – Thick Film High Voltage Chip Resistors

Thick Film High Voltage
Chip Resistors(for 0805)
Halogen-Free
Document No.
Revise Date
page number
TRH-100S014F
2012/07/25
8/9
11. Recommend IR – Reflow profile : (solder : Sn96.5 / Ag3 / Cu0.5)
Profile Feature
Average ramp-up rate
(Tsmax to Tp)
Preheat
- Temperature Min (Ts_min)
- Temperature Max (Ts_max)
- Time (Ts_min to Ts_max ) (ts)
Time maintained above :
- Temperature (T_L)
- Time (T_L)
Peak Temperature (Tp)
Time within ^0 ℃ of actual Peak
5
Temperature (tp)²
Ramp-down Rate
Time 25℃ to Peak Temperature
Lead (Pb )-Free Assembly
3℃ / second max.
150℃
200℃
60 -150 seconds
217℃
60-120 seconds
260℃
10 seconds
6℃/second max.
8mimutes max.
Alloyed Re-flow times : 3 times
Remark : To avoid discoloration phenomena of chip on terminal electrodes,
please use N2 Re-flow furnace .
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