TVS Diode Arrays (SPA® Diodes)
Lightning Surge Protection- SP4020 Series
Soldering Parameters
Product Characteristics
Lead Plating
MatteTin
Reflow Condition
Pb – Free assembly
Lead Material
Iron Alloy
-Temperature Min (Ts(min)
)
150°C
Lead Coplanarity
0.0004 inches (0.102mm)
Pre Heat -Temperature Max (Ts(max)
)
200°C
Substitute Material
Silicon
-Time (min to max) (ts)
60 – 180 secs
Average ramp up rate (Liquidus) Temp
(TL) to peak
Body Material
Molded Epoxy
UL 94 k-0
3°C/second max
Flammability
TS(max) toTL - Ramp-up Rate
3°C/second max
Notes :
-Temperature (TL) (Liquidus)
Reflow
217°C
1. All dimensions are in millimeters
2. Dimensions include solder plating.
3. Dimensions are exclusive of mold flash & metal burr.
4. Blo is facing up for mold and facing down for trim/form, i.e. reverse trim/form.
-Temperature (tL)
60 – 150 seconds
260+0/-5 °C
PeakTemperature (TP)
Time within 5°C of actual peak
Temperature (tp)
20 – 40 seconds
Ramp-down Rate
6°C/second max
8 minutes Max.
260°C
Time 25°C to peakTemperature (TP)
Do not exceed
tP
TP
Critical Zone
TL to TP
Ramp-up
TL
TS(max)
tL
Ramp-down
Preheat
TS(min)
tS
25
time to peak temperature
Time
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/04/17
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