Transient voltage suppression diodes, Surface mount – 600w > sma6l series, Dimensions physical specifications – Littelfuse SMA6L Series User Manual
Page 5: Soldering parameters, Environmental specifications

Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/20/14
Surface Mount – 600W > SMA6L series
Dimensions
Physical Specifications
Weight
0.002 ounce, 0.061 gram
Case
JEDEC DO-221AC Molded Plastic over
glass passivated junction
Polarity
Color band denotes cathode except Bipolar
Terminal
Matte Tin-plated leads, Solderable per
JESD22-B102
Dimensions
Inches
Millimeters
Min
Max
Min
Max
A
0.156
0.181
3.950
4.600
B
0.189
0.220
4.800
5.600
C
0.049
0.069
1.250
1.750
D
0.088
0.116
2.250
2.950
E
0.030
0.059
0.750
1.500
F
0.005
0.010
0.125
0.250
G
0.035
0.043
0.900
1.100
Soldering Parameters
Te
mperature (T
)
Time (t)
T
s(min)
T
s(max)
T
L
T
P
t
s
Preheat
t
L
t
p
Ramp-up
Critical Zone
T
L
to T
P
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition
Lead–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
- Time (min to max) (t
s
)
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
280°C
D
3.12 (0.123)
1 .20 (0.047)
1.52 (0.060)
Mounting Pad Layout
A
B
E
E
C
G
F
Cathode Band
Environmental Specifications
High Temp. Storage
JESD22-A103
HTRB
JESD22-A108
Temperature Cycling
JESD22-A104
MSL
JEDEC-J-STD-020, Level 1
H3TRB
JESD22-A101
RSH
JESD22-B106