SIDACtor® Protection Thyristors
Baseband Protection (Voice-DS1)
Soldering Parameters
Reflow Condition
-Temperature Min (Ts(min))
Pre Heat -Temperature Max (Ts(max))
-Time (Min to Max) (ts)
Average
to peak)
ramp
up
rate
(Liquidus Temp
(TL)
TS(max) to TL - Ramp-up Rate
Reflow
-Temperature (TL) (Liquidus)
-Temperature (tL)
PeakTemp (TP)
Time within 5°C of actual PeakTemp (tp)
Ramp-down Rate
Time 25°C to PeakTemp (TP)
Do not exceed
Pb-Free assembly
(see Fig. 1)
+150°C
+200°C
60-180 secs.
3°C/sec. Max.
3°C/sec. Max.
+217°C
60-150 secs.
+260(+0/-5)°C
30 secs. Max.
6°C/sec. Max.
8 min. Max.
+260°C
Physical Specifications
Lead Material
Terminal Finish
Body Material
Copper Alloy
100% Matte-Tin Plated
UL Recognized compound meeting
flammability rating V-0
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
Environmental Specifications
High Temp Voltage
Blocking
80% Rated VDRM (VAC Peak ) TJ, 1008 hrs. MIL-
STD-750 (Method 1040) JEDEC, JESD22-A-101
Temp Cycling
Biased Temp &
Humidity
High Temp Storage
Autoclave (Pressure
Cooker Test)
Resistance to Solder
Heat
Moisture Sensitivity
Level
1000 cycles. JEDEC, JESD22-A104
52 VDC (+85°C) 85%RH, 1008 hrs. EIA/JEDEC,
JESD22-A-101
+150°C 1008 hrs. MIL-STD-750 (Method 1031)
JEDEC, JESD22-A-101
+121°C, 100%RH, 2atm, 96 hrs. EIA/JEDEC,
JESD22-A-102
+260°C, 10 secs. MIL-STD-750 (Method 2031)
85%RH, +85°C, 168 hrs., 3 reflow cycles
(+260°C Peak). JEDEC-J-STD-020, Level 1
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/26/18
SIDPAxCxtxoxrS®4SxeLrRiePs,SSeMrieAs