Sidactor, Protection thyristors, Broadband optimized – Littelfuse TwinChip Series DO-15 User Manual
Page 3: Protection

SIDACtor
®
Protection Thyristors
51
Revised: February 22, 2011
© 2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Broadband Optimized
™
Protection
Soldering Parameters
Reflow Condition
Pb-Free assembly
(see Figure 1)
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
)
¡$
Time within 5°C of actual peak
Temperature (t
p
)
30 seconds max
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (T
P
)
8 minutes max
Do not exceed
260°C
Physical Specifications
Lead Material
Copper Alloy
Terminal Finish
100% Matte-Tin Plated
Body Material
UL recognized epoxy meeting flammability
classification 94V-0
Environmental Specifications
High Temp Voltage
Blocking
80% Rated V
DRM
(V
AC
1FBL¡$PS¡$
504 or 1008 hrs. MIL-STD-750 (Method 1040)
JEDEC, JESD22-A-101
Temp Cycling
¡$UP¡$
NJOEXFMM
VQUP
cycles. MIL-STD-750 (Method 1051) EIA/
JEDEC, JESD22-A104
Biased Temp &
Humidity
52 V
DC
¡$3) VQUPIST
EIA/JEDEC, JESD22-A-101
High Temp Storage
¡$IST.*-45% .FUIPE
1031) JEDEC, JESD22-A-101
Low Temp Storage
-65°C, 1008 hrs.
Thermal Shock
¡$UP¡$
NJOEXFMM
TFDUSBOTGFS
10 cycles. MIL-STD-750 (Method 1056)
JEDEC, JESD22-A-106
Autoclave (Pressure
Cooker Test)
¡$
3)
BUN
VQUPIST
EIA/JEDEC, JESD22-A-102
Resistance to Solder
Heat
¡$
TFDT.*-45% .FUIPE
2031)
Moisture Sensitivity
Level
3)
¡$
IST
SFnPXDZDMFT
¡$QFBL+&%&$+45%
-FWFM
Time
Temper
at
ur
e
T
P
T
L
T
S(max)
T
S(min)
25
t
P
t
L
t
S
time to peak temperature
(t 25ºC to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
T
L
to T
P
Figure 1