TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803
Website: http://www.microsemi.com
Gort Road Business Park, Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298
PACKAGE DIMENSIONS
Symbol
BH
BL
BW
CL
CW
LL
1
LL
2
Dimensions
Millimeters
Inches
Min
Max
Min
Max
.046
.056
1.17
1.42
.115
.085
.128
.108
.128
.108
.022
.017
.038
.035
0.56
0.4.
2.92
2.16
3.25
2.74
3.25
2.74
0.97
0.89
Dimensions
Note
Symbol
LS
1
LS
2
LW
r
r1
r2
Inches
Min
Max
.036
.040
.071
.016
.079
.024
.008
.012
.022
Millimeters
Min
Max
0.91
1.02
1.80
0.41
2.01
0.61
.203
.305
.559
Note
NOTES:
1.
2.
3.
4.
5.
6.
Dimensions are in inches.
Millimeters are given for general information only.
Hatched areas on package denote metallized areas.
Lid material: Kovar.
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.
FIGURE 2.
Physical dimensions for 2N918UB, surface mount.
T4-LDS-0010 Rev. 3 (101342)
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