JX040K
JieJie Microelectronics CO. , Ltd.
FIG.8:Test circuit for inductive and resistive loads to IEC-61000-4-5 standards.
IEC61000-4-5 Standards
Surge Generator
1.2/50μS voltage surge
8/20μS current surge
RGen
2Ω
Load Model
L
Filtering Unit
R
53μH
15Ω
AC
INPUT
RG
1kΩ
SOLDERING PARAMETERS
Pb-Free assembly
(see figure at right)
Reflow Condition
-Temperature Min
+150℃
(Ts(min)
-Temperature Max
(Ts(max)
)
Pre
+200℃
Heat
)
-Time (Min to Max)
(ts)
Reflow condition
60-180 secs.
tp
TP
Critical Zone
TL to TP
Ramp-up
Average ramp up rate
TL
3℃/sec. Max
3℃/sec. Max
+217℃
tL
(Liquidus Temp (TL)to peak)
TS(max)
Ramp-down
Ts(max) to TL - Ramp-up Rate
-Temperature(TL)
Preheat
ts
TS(min)
25
(Liquidus)
Reflow
time to peak temperatue
Time
-Temperature(tL)
60-150 secs.
(t 25℃ to peak)
Peak Temp (Tp)
+260(+0/-5)℃
Time within 5℃of actual
20-40secs.
Peak Temp (tp)
Ramp-down Rate
6℃/sec. Max
Time 25℃to Peak Temp (TP) 8 min. Max
Do not exceed
+260℃
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