SIDACtor® Protection Thyristors
Baseband Protection (Voice-DS1)
Normalized V Change vs. Junction Temperature
S
14
12
10
8
6
4 25 °C
2
0
-4
-6
-8
-40 -20 0 20 40 60 80 100 120 140 160
JunctionTemperature (TJ) – °C
Normalized DC Holding Current vs. Case Temperature
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
-40 -20
25°C
0 20 40 60 80 100 120 140 160
CaseTemperature (T ) - ºC
C
Soldering Parameters
Reflow Condition
-Temperature Min (T )
s(min)
Pre Heat
-Temperature Max (T )
s(max)
-Time (Min to Max) (t )
s
Average ramp up rate (LiquidusTemp (TL)
to peak)
T toT - Ramp-up Rate
S(max)
L
Reflow
-Temperature (TL) (Liquidus)
-Temperature (t )
L
PeakTemp (T )
P
Time within 5°C of actual PeakTemp (t )
p
Ramp-down Rate
Time 25°C to PeakTemp (T )
P
Do not exceed
Pb-Free assembly
(see Fig. 1)
¡$
¡$
60-180 secs.
3°C/sec. Max.
3°C/sec. Max.
¡$
60-150 secs.
¡$
30 secs. Max.
6°C/sec. Max.
8 min. Max.
¡$
TP
TL
TS(max)
Figure 1
Ramp-up
TS(min)
Preheat
tS
25
time to peak temperature
(t 25ºC to peak)
tP
Critical Zone
TL to TP
tL
Ramp-down
Time
Physical Specifications
Environmental Specifications
Lead Material
Terminal Finish
Body Material
Copper Alloy
100% Matte-Tin Plated
UL recognized epoxy meeting flammability
classification 94V-0
High Temp Voltage
Blocking
Temp Cycling
Biased Temp &
Humidity
High Temp Storage
Low Temp Storage
Thermal Shock
© 2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Autoclave (Pressure
Cooker Test)
Resistance to Solder
Heat
Moisture Sensitivity
Level
178
Revised: April 15, 2011
80% Rated VDRM (VAC Peak
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504 or 1008 hrs. MIL-STD-750 (Method 1040)
JEDEC, JESD22-A-101
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VQUP
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JESD22-A104
52 VDC ¡$
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JEDEC, JESD22-A-101
-65°C, 1008 hrs.
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10 cycles. MIL-STD-750 (Method 1056) JEDEC,
JESD22-A-106
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