308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
ESD Protector
Overvoltage Protection Device
Raychem Circuit Protection Products
PRODUCT: PESD0402-060
DOCUMENT: SCD 26105
REV LETTER: I
REV DATE: DECEMBER 7, 2007
PAGE NO.: 5 OF 8
RECOMMENDED LAND PATTERN:
Solder thickness 0.15 to 0.2mm
*Rounded off approximation.
SOLDER REFLOW RECOMMENDATIONS:
W X Y (Ref) Z
Min Max Min Max Min Max Min Max
mm: 0.6
0.7 0.3 0.4 0.8 0.9
2.1 2.2
in: * (0.024)
(0.028) (0.012) (0.016) (0.031)
(0.035)
0.083) (0.087)
A
Temperature
ramp up 1
From ambient to
Preheating
temperature
30s to 60s
B Preheating 140°C - 160°C 60s to 120s
C
Temperature
ramp up 2
From Preheating to
Main heating
temperature
20s to 40s
at 200°C 60s ~ 70s
Main at 220°C 50s ~ 60s
D heating at 240°C 30s ~ 40s
at 260°C 5s ~ 10s
E Cooling
From main heating
temperature to
100°C
max 4°C/s
X
W
Y
Z
