Littelfuse SRDA05 Series - Manual (Page 3)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/24/13
TVS Diode Arrays
(SPA ® Diodes)
Lightning Surge Protection- SRDA05 Series
Pulse Waveform
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
Ordering Information
Part Number Package Marking Min. Order Qty.
SRDA05-4BTG SOIC-8
LF SRDA05
SYYWW
2500
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
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.
Power Derating Curve
0
10
20
30
40
50
60
70
80
90
100
110
0 25 50 75 100 125 150
Ambient Temperature-TA ( o C)
%
of
R
ated
Po
we
r or
I PP
Clamping Voltage vs. I
PP
0.00
5.00
10.00
15.00
20.00
25.00
1.0 10.0 20.0 30.0
Peak Pulse Current-I
PP
(A)
Cl
am
p
Vo
ltage
(V
C
)