Circular Connectors
MTC Series — Microminiature Circular Connectors
How to Specify/
Ordering Code
X — Special, Does not fit description.
MTC
MICRODOT Threaded Coupling Series
Insulation Color or Finish
Number of Contacts
9, 19
1 — All white
6 — Bare (unfinished)
2 — All yellow
7 — Color coded per MIL-STS-681, System I
3 — All gray
9 — 10 Solid color repeating (starts with black)
4 — Gold plated
5 — Tin dipped gold plated
19
P
6
A
1
18.0
Length in Inches (Min.)
Contact Type
P — Twist Pin (Plug)
S — Socket (Receptacle)
Wire Type
Per MIL-W-16878
{
A — Type E, 7 strand
B — Type ET, 7 strand
C — Type E, 19 strand
D — Type ET, 19 strand
F — 7 strand per MIL-W-22759/11
(28 AWG only)
G — 19 strand per MIL-C-22759/11
(26 AWG and 24 AWG only)
L — Copper, solid
Q — Stranded per MIL-W-22759/33
Wire Size
4 — 24 AWG
5 — 25 AWG
6 — 26 AWG
8 — 28 AWG
0 — 30 AWG
Material and Finish
Shell
— Aluminum, nickel plated
Contact
— Copper alloy, gold plated
Insulator
— RYTON
MTC Series Plug
Size
9
19
ØA
.227
5.77
.308
7.82
Dimensions
ØB
.456
11.58
.545
13.84
C Thd.
M10 x 0.75
19.05
M12 x 1
25.40
Circular
Connectors
Key
3
ØB
.036
±.005
Typ.
[0.91
±0.13
]
ØA
9 Position
1
19 Position
2
3
3
4
7
12
1
4
8
13
19
18
17
9
8
7
C
Thd.
.800
[20.32]
2
16
6
5
L
Min.
MTC Series Plug (19 Position Shown)
89
Catalog 1308638
Revised 8-05
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
South America: 55-11-3611-1514
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-141-810-8967
Circular Connectors
MTC Series — Microminiature Circular Connectors
(Continued)
MTC Series Receptacle
Size
9
19
ØA
.562
14.27
.625
15.88
B Hex.
.500
12.70
.625
15.88
Dimensions
C Thd.
M10 x 0.75
19.05
M12 x 1
25.40
D Min.
.370
9.40
.445
11.30
Ø E Min.
.394
10.01
.474
12.04
Keyway
9 Position
1
19 Position
2
1
8
7
4
8
3
7
12
16
17
18
19
2
3
4
5
B
Hex.
9
13
6
C
Thd.
.900
[22.86]
.130–.144
Typ.
[3.30–3.66]
ØE
D
L
Min.
Panel Cut Out
ØA
MTC Series Receptacle (19 Position Shown)
90
Catalog 1308638
Revised 8-05
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
South America: 55-11-3611-1514
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-141-810-8967
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