Tvs diode arrays, Lightning surge protection - sp03-3.3 series, Diodes) – Littelfuse SP03-3.3 Series User Manual
Page 3: Soldering parameters
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/24/13
TVS Diode Arrays
(SPA
®
Diodes)
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
Time, µs
0
20
40
60
80
100
0
5
10
15
20
25
30
35
40
Pe
rcentag
e of
I
PP
(%)
Line to Ground
Line to Line
0
2
4
6
8
10
12
14
16
18
20
0
0.5
1
1.5
2
2.5
3
Reverse Voltage (V)
Ca
pa
ci
tan
ce
(pF)
0
2
4
6
8
10
12
14
16
18
20
0
10
20
30
40
50
60
70
80
90
100
I
P
Peak Impulse Current (A)
V
C
Clamping
V
oltag
e (V)
Line to Line
Line to Ground
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
Te
mperatur
e
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