M55302/78-02 Amphenol, M55302/78-02 Datasheet - Page 35
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M55302/78-02
Manufacturer Part Number
M55302/78-02
Description
Board to Board / Mezzanine Connectors POLARIZING KEY
Manufacturer
Amphenol
Type
Polarization Keyr
Specifications of M55302/78-02
Operating Temp Range
-65C to 125C
Product Type
Accessories
Lead Free Status / RoHS Status
Supplier Unconfirmed
Low Mating Force Connector
Smaller Sizes, cont.
design flexibility
** Accessory item supplied separately. See Accessory How to
Order page 5 and page 27 for alternate mounting methods.
Rear Removable
Crimp Contact
Round PCB Stud
Solder
Termination
Contacts
Number
Contacts
Number
10
12
14
15
16
18
20
21
24
27
28
32
36
of
10
12
14
15
16
18
20
21
24
27
28
32
36
of
Contact
Type
2 Row X 5
2 Row X 6
2 Row X 7
3 Row X 5
2 Row X 8
2 Row X 9
3 Row X 6
4 Row X 5
3 Row X 7
3 Row X 8
4 Row X 6
3 Row X 9
4 Row X 7
4 Row X 8
4 Row X 9
Printed Circuit Connector
Input/Output Connector
2 Row X 5
2 Row X 6
2 Row X 7
3 Row X 5
2 Row X 8
2 Row X 9
3 Row X 6
4 Row X 5
3 Row X 7
3 Row X 8
4 Row X 6
3 Row X 9
4 Row X 7
4 Row X 8
4 Row X 9
Contact
Pattern
Contact
Pattern
±.020
.021
.021
Dia.
N/A
K
1.180
1.280
1.380
1.180
1.480
1.580
1.280
1.180
1.380
1.480
1.280
1.580
1.380
1.480
1.580
Max.
1.795
1.895
1.995
1.795
2.095
2.195
1.895
1.795
1.995
2.095
1.895
2.195
1.995
2.095
2.195
A
Max.
Tail Length
A
±.020
.145
.335
N/A
E
1.050
1.150
1.250
1.050
1.150
1.250
1.050
1.150
1.250
.850
.950
.850
.950
.850
.950
B
1.475
1.575
1.675
1.475
1.775
1.875
1.575
1.475
1.675
1.775
1.575
1.875
1.675
1.775
1.875
B
Max.
.375
.375
.375
.475
.375
.375
.475
.575
.475
.475
.575
.475
.575
.575
.575
C
Max.
.390
.390
.390
.490
.390
.390
.490
.590
.490
.490
.590
.490
.590
.590
.590
C
Max.
.545
.545
.545
.645
.545
.545
.645
.745
.645
.645
.745
.645
.745
.745
.745
D
.650 MAX.
WHEN FULLY
ASSEMBLED TO
MATING CONNECTOR
UNMATED
.785 MAX.
LENGTH
FREE
Tail Length
±.020
.095
.150
E
.193 MAX.
31
.540
MAX.
C
.220 DIA.
C
.365
LOCKING SCREW
10-502599
ACCESSORY ITEM**
+.002
–.007
4-40
UNC-2A
Printed Circuit Connector
Input/Output Connector
4-40
UNC-2B
USE #4
MOUNTING SCREW
.445 MAX.
UNMATED
FREE LENGTH
A
B
B
A
.31 MAX.
WHEN FULLY
ASSEMBLED
TO MATING CONNECTOR
LOCKING BUSHING
.365
.105
.021 ±.002 DIA.
.410
K DIA.
.020 M
FOR MATING WITH INPUT/
OUTPUT CONNECTOR,
ACCESSORY ITEM **
.021 ±.002 DIA.
.185
.100
E
TAIL LENGTH
E
TAIL
LENGTH
+.005
–.002
.012 M
.220 DIA.
.670
MAX.
DIA.
LOCKING SCREW
10-502599-2
ACCESSORY ITEM**
.100
.200