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SMAJ7.0A Datasheet(PDF) 8 Page - Cystech Electonics Corp.

Part No. SMAJ7.0A
Description  Surface Mount Transient Voltage Suppressors
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Maker  CYSTEKEC [Cystech Electonics Corp.]
Homepage  http://www.cystekec.com
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CYStech Electronics Corp.
Spec. No. : C290SA
Issued Date : 2010.01.19
Revised Date : 2013.05.07
Page No. : 8/9
SMAJ5.0 thru SMAJ440CA
CYStek Product Specification
Recommended wave soldering condition
Product
Peak Temperature
Soldering Time
Pb-free devices
260 +0/-5
°C
5 +1/-1 seconds
Recommended temperature profile for IR reflow
Profile feature
Sn-Pb eutectic Assembly
Pb-free Assembly
Average ramp-up rate
(Tsmax to Tp)
3
°C/second max.
3
°C/second max.
Preheat
−Temperature Min(TS min)
−Temperature Max(TS max)
−Time(ts min to ts max)
100
°C
150
°C
60-120 seconds
150
°C
200
°C
60-180 seconds
Time maintained above:
−Temperature (TL)
− Time (tL)
183
°C
60-150 seconds
217
°C
60-150 seconds
Peak Temperature(TP)
240 +0/-5
°C
260 +0/-5
°C
Time within 5
°C of actual peak
temperature(tp)
10-30 seconds
20-40 seconds
Ramp down rate
6
°C/second max.
6
°C/second max.
Time 25
°C to peak
temperature
6 minutes max.
8 minutes max.
Note : All temperatures refer to topside of the package, measured on the package body surface.




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