SMF4L Datasheet, PDF (5/6 Pages) Littelfuse – TVS Diodes Surface Mount – 400W

TVS Diodes
Surface Mount – 400W > SMF4L Series
Soldering Parameters
Reflow Condition
Lead–free assembly
- Temperature Min (T_s(min))
Pre Heat - Temperature Max (T_s(max))
- Time (min to max) (t_s)
Average ramp up rate (Liquidus Temp (T_A)
to peak
T_S(max) to T_A - Ramp-up Rate
Reflow
- Temperature (T_A) (Liquidus)
- Time (min to max) (t_s)
Peak Temperature (T_P)
Time within 5°C of actual peak
Temperature (t_p)
Ramp-down Rate
Time 25°C to peak Temperature (T_P)
Do not exceed
150°C
200°C
60 – 180 secs
3°C/second max
3°C/second max
217°C
60 – 150 seconds
260^+0/-5 °C
20 – 40 seconds
6°C/second max
8 minutes Max.
260°C
Physical Specifications
Case
SOD-123FL plastic over glass passivated
junction
Polarity
Color band denotes cathode except bipolar
Terminal
Matte tin-plated leads, solderable per
JESD22-B102
T_P
T_L
T_s(max)
T_s(min)
25˚C
Ramp-up
t_p
t_L
Critical Zone
T_L to T_P
t_s
Preheat
Ramp-down
t 25˚C to Peak
Time (t)
Environmental Specifications
High Temp. Storage
HTRB
Temperature Cycling
MSL
H3TRB
RSH
JESD22-A103
JESD22-A108
JESD22-A104
JEDEC-J-STD-020, Level 1
JESD22-A101
JESD22-A111
Dimensions - SOD-123FL Package
F
C
D
Mounting Pad Layout
1.6 (0.062)
Dimensions
A
B
C
D
E
F
G
H
Millimeters
Min
Max
2.90
3.10
3.50
3.90
0.85
1.05
1.70
2.00
0.43
0.83
0.10
0.25
0.00
0.10
0.90
1.08
Inches
Min
Max
0.114
0.122
0.138
0.154
0.033
0.041
0.067
0.079
0.017
0.033
0.004
0.010
0.000
0.004
0.035
0.043
©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/02/16