MIL-PRF-19500/398K
UB
Dimensions
Dimensions
Note
Ltr.
Note
Ltr.
Inches
Millimeters
Inches
Millimeters
Min
Max
Min
Max
Min
Max
Min
Max
BH
.046
.056
1.17
1.42
LS1
.035
.040
0.89
1.02
BL
.115
.128
2.92
3.25
LS2
.071
.079
1.80
2.01
BW
.085
.108
2.16
2.74
LW
.016
.024
0.41
0.61
CL
.128
3.25
r
.008
0.20
CW
.108
2.74
r1
.012
0.31
LL1
.022
.038
0.56
0.97
r2
.022
0.56
LL2
.017
.035
0.43
0.89
NOTES:
1.
Dimensions are in inches.
2.
Millimeters are given for general information only.
3.
Hatched areas on package denote metallized areas.
4.
Lid material: Kovar.
5.
Pad 1 = Base, Pad 2 = Emitter, Pad 3 = Collector, Pad 4 = Shielding connected to the lid.
In accordance with ASME Y14.5M, diameters are equivalent to Φx symbology.
*
6.
* FIGURE 2. Physical dimensions, surface mount (UB).
4
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