Littelfuse SP03A-3.3 Series - Manual (Page 3)

133 ©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
SP03A-3.3 Series
SP03A
-3.3
Lightning Surge Protection - SP03A-3.3 Series
TVS Diode Arrays (SPA ™ Family of Products)
Lightning Surge Protection - SP03-3.3 Series
Figure 4: Clamping Voltage vs. Peak Pulse Current
Figure 6: Forward Voltage vs. Forward Current
Figure 3: Pulse Waveform
Figure 5: Capacitance vs. Reverse Voltage
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
0.0 5.0 10.0 15.0 20.0 25.0 30.0
Time (μs)
Percent of I
PP
Line to Ground
Line to Line
0
1
2
3
4
5
6
7
8
9
10
0.0 0.5 1.0 1.5 2.0 2.5 3.0
C
a
pa
c
ita
nc
e
(pF)
Bias Voltage (V)
Line to Line
Line to Ground
0
2
4
6
8
10
12
14
16
18
0 10 20 30 40 50 60 70 80 90 100
C
lam
p
V
o
lt
ag
e
-V
C
(V
)
Peak Pulse Current-I
PP
(A)
0
1
2
3
4
5
6
7
0 10 20 30 40 50 60 70 80 90 100
Forward Current (A)
Forward Voltage (V)
Ground-to-Line
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
3°C/second max
T
S(max)
to T
L
- Ramp-up Rate 3°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 6°C/second max
Time 25°C to peak Temperature (T
P
) 8 minutes Max.
Do not exceed 260°C
Soldering Parameters
TVS Diode Arrays
(SPA ™ Family of Products)
Lightning Surge Protection - SP03A-3.3 Series