Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
400W
I-V Curve Characteristics
Physical Specifications
Weight
Case
Polarity
Terminal
0.002 ounce, 0.061 gram
JEDEC DO-214AC Molded Plastic over
glass passivated junction
Color band denotes cathode except
Bipolar
Matte Tin-plated leads, Solderable per
JESD22-B102D
Environmental Specifications
Temperature Cycle
Pressure Cooker
High Temp. Storage
HTRB
Thermal Shock
JESD22-A104
JESD22-A102
JESD22-A103
JESD22-A108
JESD22-A106
Soldering Parameters
Reflow Condition
T
P
Ramp-up
Critical Zone
T
L
to T
P
Lead–free assembly
150°C
200°C
60 -180 Seconds
3°C/second max
3°C/second max
217°C
60 -150 Seconds
260 +0/-5°C
of
actual
peak
20 -40 Seconds
6°C/second max
8 minutes Max
280°C
-Temperature Min (T
s(min)
)
Pre Heat
-Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
T
L
T
S(max)
Temperature
Ramp-down
T
S(min)
Preheat
Average ramp up rate ( Liquidus Temp T
L
)
to peak
T
S(max)
to TL - Ramp-up Rate
- Temperature (T
L
) (Liquidus)
Time to peak temperature
(t 25℃ to peak)
25
Time
Reflow
- Time (min to max) (t
s
)
Peak Temperature (T
P
)
Time within 5°C
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
UN Semiconductor Co., Ltd.
Revision
October 18, 2013
5/7
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
UNSEMI [ UN Semiconducctor INC ]
