Crane Aerospace & Electronics Power Solutions
MCH/MGH Single and Dual DC/DC Converter Cases
28 VOLT INPUT – 1.5 WATT
TOP VIEW CASE B
0.880 max
Differently colored glass bead around pin one or dimple in
header (bottom or side of case) indicates pin one.
(22.35)
Cover marking is oriented with pin one at the upper right corner.
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
0.900 (22.86)
0.800 (20.32)
0.700 (17.78)
0.600 (15.24)
0.500 (12.70)
0.400 (10.16)
0.300 ( 7.62)
0.200 ( 5.08)
0.100 ( 2.54)
0.000
(This view shows
straight leads.)
1.010 max
(25.65)
0.015
(0.38)
0.010
(0.25)
1.870 ref. (47.50)
Straight Leads
0.08 (2.0)
0.250 max.
(6.35)
0.50
(12.7)
Seam seal
1.140 ref. (28.96)
0.135 ref. (3.43)
0.010
1
(0.25)
1
Gull Wing Leads
Option
Gull wing leads are solder dipped.
Seal hole: 0.040 0.002 (1.02 0.05)
Lead dimensions are prior to solder dip.
Case dimensions in inches (mm)
Tolerance 0.005 (0.13) for three decimal places
0.01 (0.3) for two decimal places
0.010 (0.25)
Bottom of case to
bottom of lead
0.055
(1.40)
unless otherwise specified
0.08
(2.0)
CAUTION
0.070
Maximum reflow temperature is 220°C for a maximum of 30 seconds. SN60,
SN62, or SN63 are the recommended types of solder. See case B Solder Pads
for Solder Mask instructions.
(1.78)
Hand soldering should not exceed 300°C for 10 seconds per pin.
Materials
Header
Cover
Pins
Kovar/Nickel/Gold
Kovar/Nickel
Kovar/Nickel/Gold matched glass seal
Case B, Rev C, November 9, 2005
Please refer to the numerical dimensions for accuracy. All information is believed to be
accurate, but no responsibility is assumed for errors or omissions. Interpoint reserves the right
to make changes in products or specifications without notice. Copyright © 1999-2006 Interpoint
Corp. All rights reserved.
FIGURE 34: CASE B
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Rev E - 20060508
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