Tvs diode arrays, Lightning surge protection - splv2.8-4 series, Family of products) – Littelfuse SPLV2.8_4 Series User Manual
Page 3: Spl v2.8-4

145
©2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to
www.littelfuse.com/SPA
for current information.
TVS Diode Arrays
(SPA
™
Family of Products)
Revision: March 20, 2012
SPLV2.8-4 Series
SPL
V2.8-4
Lightning Surge Protection - SPLV2.8-4 Series
Time
T
emperature
T
P
T
L
T
S(max)
T
S(min)
25
t
P
t
L
t
S
time to peak temperature
Preheat
Preheat
Ramp-up
Ramp-up
Ramp-down
Ramp-do
Critical Zone
T
L
to T
P
Critical Zone
T
L
to T
P
Reflow Condition
Pb – Free assembly
Pre Heat
- Temperature Min (T
s(min)
)
150°C
- Temperature Max (T
s(max)
)
200°C
- Time (min to max) (t
s
)
60 – 180 secs
Average ramp up rate (Liquidus) Temp
(T
L
) to peak
5°C/second max
T
S(max)
to T
L
- Ramp-up Rate
5°C/second max
Reflow
- Temperature (T
L
) (Liquidus)
217°C
- Temperature (t
L
)
60 – 150 seconds
Peak Temperature (T
P
)
260
+0/-5
°C
Time within 5°C of actual peak
Temperature (t
p
)
20 – 40 seconds
Ramp-down Rate
5°C/second max
Time 25°C to peak Temperature (T
P
)
8 minutes Max.
Do not exceed
260°C
Soldering Parameters
Package Dimensions — Mechanical Drawings and Recommended Solder Pad Outline
Package
SOIC
Pins
8
JEDEC
MS-012
Millimetres
Inches
Min
Max
Min
Max
A
1.35
1.75
0.053
0.069
A1
0.10
0.25
0.004
0.010
A2
1.25
1.65
0.050
0.065
B
0.31
0.51
0.012
0.020
c
0.17
0.25
0.007
0.010
D
4.80
5.00
0.189
0.197
E
5.80
6.20
0.228
0.244
E1
3.80
4.00
0.150
0.157
e
1.27 BSC
0.050 BSC
L
0.40
1.27
0.016
0.050
o
Recommended
Soldering Pad Outline
(Reference Only)
F
L
Product Characteristics
Lead Plating
Matte Tin
Lead Material
Copper Alloy
Lead Coplanarity
0.0004 inches (0.102mm)
Substitute Material
Silicon
Body Material
Molded Epoxy
Flammability
UL 94 V-0
Notes :
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.
5. Package surface matte finish VDI 11-13.