MLN Datasheet, PDF (6/7 Pages) Littelfuse – Multiline Transient Voltage Surge Suppressor

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Surface Mount Varistors
Multiline Transient Voltage Surge Suppressor
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MLN SurgeArray^™ Suppressor
250
MAXIMUM
TEMPERATURE 222^oC
200
40-80
SECONDS
ABOVE 183 ^oC
150
RAMP RATE
<2^oC /s
100
PREHEAT DWELL
50
PREHEAT ZONE
250
MAXIMUM
TEMPERATURE 222^oC
200
40-80
SECONDS
ABOVE 183 ^oC
150
RAMP RATE
>50^oC /s
100
PREHEAT ZONE
50
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
TIME (MINUTES)
FIGURE 12. IR REFLOW SOLDER PROFILE
300
MAXIMUM WAVE 260 ^oC
250
200
150
SECOND PREHEAT
100
FIRST PREHEAT
50
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
TIME (MINUTES)
FIGURE 13. WAVE SOLDER PROFILE
Mechanical Dimensions
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
TIME (MINUTES)
FIGURE 14. VAPOR PHASE SOLDER PROFILE
Recommended Pad Outline
E
D
A
B
C
TABLE 1. PAD LAYOUT DIMENSIONS
DIMENSION
Millimeters
Inches
A
0.89
0.035
B
1.65
0.065
C
2.54
0.100
D
0.46
0.018
E
0.79
0.030
T
W
X
P
L
S
BW
BL
Inch
Millimeter
L
W
0.126 ±0.008 0.063 ±0.008
3.2 ±0.2
1.6 ±0.2
T
0.053 Max
1.35 Max
BW
BL
0.016 ±0.004 0.007 +0.01/- 0.002
0.41 ±0.1 0.18 +0.25/-0.05
P
0.030 Ref
0.76 Ref
X
S
0.045 ±0.004 0.015 ±0.004
1.14 ±0.1
0.38 ±0.1
156
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