39
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Dimensions shown in inch (mm)
Specifications and dimensions subject to change
Micro Center Jackscrew MJS
How to Order
The MJS jackscrew series provides a reliable interconnect for board-to-board,
board-to-cable and in-line cable-to-cable applications. Layouts accommodating
up to 76 MICROPIN/MICROSOCKETTM contacts are available, with the same
wide range of options as are offered with the other MICRO Line products offered
in this catalog.
SERIES
INSULATOR MATERIAL
CONTACT ARRANGEMENT
CONTACT TYPE
TERMINATION TYPE
TERMINATION CODES
SERIES CONTACT TYPE TERMINATION CODE*
MJS 26 P H 001* -
TERMINATION TYPE
INSULATOR MATERIAL
B - Diallyl phthalate
V - Polyester
U- Polyetherimide
R - Polyphenylene sulfide
MJS - Micro Center Jackscrew
* See Termination Codes shown below.
P - Pin
S - Socket
(H) 001
(H) 003
(L) 1
(L) 2
- 18" , 7/34 strand, #26 AWG,
MIL-W-16878/4, Type E Teflon,
yellow.
- 18", 7/34 strand, #26 AWG,
MIL-W-16878/4, Type E Teflon,
color coded to MIL-STD-681
System I.
- 1/2" uninsulated solid #25
AWG gold plated copper.
- 1" uninsulated solid #25 AWG
gold plated copper.
H - Insulated wire harness.
I - Integral tail (MJSV-28S only).
L - Solid - uninsulated wire.
S - Solder pot to accept #26 AWG
harness wire.
T - Thru bundle pigtail (MJSV-28P only).
Unshrounded Receptacle: 10, 26, 51, 66
Shrouded Receptacle; 10, 26, 34, 38, 42, 76
Low Profile Plug and Receptacle
(shrouded): 28
CONTACT ARRANGEMENTS
RoHS COMPLIANCE
R
Standard Wire Termination Codes
The following termination codes are listed for your information. For additional codes please refer to Appendix on page 79 and 81. All wire lengths are minimum.
Harness Type (H)
#26 AWG per MIL-W-16878/4 Type ETeflon,7/34 stranded.
Solid UninsulatedType (L)
#25AWG gold plated solid copper.
Length
3(76.2)
6(152.4)
8(203.2)
10 (254.0)
12(304.8)
18 (457.2)
20 (508.0)
H 020
H 019
H 026
H 029
H 028
H 001
H 038
H 027
H 016
H 034
H 025
H 002
H 003
H 023
24 (609.6)
30 (762.0)
36 (914.4)
48(1219.2)
72(1828.8)
120 (3048.0)
H 009
H 010
H 011
H 013
H 017
H 042
H 004
H 005
H 006
H 048
H 046
H 041
L61
L56
L57
L39
L58
L1
L14
L2
L7
L6
L16
L10
.125(3.18)
.150 (3.81)
.190 (4.83)
.250 (6.35)
.375(9.53)
.500 (12.70)
.750 (19.05)
1.000 (25.40)
1.500 (38.10)
2.000 (50.80)
2.500 (63.50)
3.000 (76.20)
All YellowColorCodedLength Termination
CodeLength
Termination
CodeLength
All YellowColorCoded
Contact Arrangements
Face view of pin-use reverse order for socket
Identification numbers are for reference only and do not appear on connectors. *Low profile configuration
**MJSV & MJSR
10 Contacts
4
6
10
17
34
51
1
18
35
21
44
66
1
23
45
12
14
26
1
13
15
1
7
11
1
13
23
12
22
34
6
10
16
1
11
19
10
18
28
1
5
7
26 Contacts 16 Contacts** 28 Contacts**
34 Contacts
MJSV (shrouded)
66 Contacts
MJSB/MJSU (unshrouded)
51 Contacts
Micro Center Jackscrew MJS
Unshrouded Receptacle (10-26-51-66)
40
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Dimensions shown in inch (mm)
Specifications and dimensions subject to change
MJSB/MJSU
Rear View
UNSHROUDED
STANDARD MATERIALS AND FINISHES
Micropin
Microsocket
Insulator
Copper alloy, 50 miro-inch gold
Copper alloy, 50 micro-inch gold
Stainless steel, passivated & lubricated
Stainless steel, passivated
Stainless steel, passivated
Stainless steel, passivated
Diallyl phthalate, green color
or polyetherimide, natural color
Jackscrew
Retainer, Jackscrew
Insert, Threaded
Post, Polarizing
.145 (3.68)
DIA.
MAX.
A
.055 (1.40) TYP.
C
B
.050 (1.27) TYP.
Part Number
MJSB or MJSU-10P
MJSB or MJSU-10S
MJSB or MJSU-26P
MJSB or MJSU-26S
MJSB or MJSU-51P
MJSB or MJSU-51S
MJSB or MJSU-66P
MJSB or MJSU-66S
.378 (9.60)
.378 (9.60)
.778 (19.76)
.778 (19.76)
1.028 (26.11)
1.028 (26.11)
1.280 (32.51)
1.280 (32.51)
.190 (4.83)
.190 (4.83)
.190 (4.83)
.190 (4.83)
.260 (6.60)
.260 (6.60)
.260 (6.60)
.260 (6.60)
.290 (7.37)
.290 (7.37)
.690 (17.53)
.690 (17.53)
.940 (23.88)
.940 (23.88)
1.190 (30.23)
1.190 (30.23)
A
Max.
B
Max.
C
Bsc.
.126 ± .005
(3.20 ± 0.13)
.170 ± .010 (4.32 ± 0.25)
1-64 UNC-2A
THREAD
.170 (4.32)
MAX.
.110 MAX.
(2.79)
1-64 UNC-2B
THREAD
.332 (8.43)
MAX.
POLARIZING PIN (OPTIONAL WITH LOSS OF CONTACT)
Receptacle Plug
Shrouded Receptacle (16-28*-34)
MJSV/MJSR
A
A
.285 (7.24)
MAX.
C
C
.080 (2.03)
.065 (1.65)
.285 (7.24) MAX. B
B
D
1-64 UNC-2B
THREAD
1-64 UNC-2A
THREAD
.205 (5.21) MAX.
.090 ± .010
(2.29 ± 0.25)
.110 (2.79) MAX.
.145
(3.68)
DIA. MAX.
Face View
Face View Receptacle
Plug
SHROUDED
STANDARD MATERIALS AND FINISHES
Micropin
Microsocket
Insulator
Copper alloy, 50 miro-inch gold
Copper alloy, 50 micro-inch gold
Part Number
MJSV or MJSR-16P
MJSV or MJSR-16S
MJSV-28P* or MJSR-28P*
MJSV-28S* or MJSR-28S*
MJSV-34P or MJSR-34P
MJSV-34S or MJSR-34S
.700 (17.78)
.700 (17.78)
1.020 (25.91)
1.020 (25.91)
1.180 (29.97)
1.180 (29.97)
*Low profile configuration, for "L" (uninsulated solid wire) termination add .090 (2.29) to the "B" dimension.
For "H" (insulated wire) termination add .200 (5.08) to the "B" dimension. For special configurations
with backpotted standoffs consult factory.
.345 (8.76)
.320 (8.13)
.232 (5.89)
.246 (6.25)
.330 (8.38)
.305 (7.75)
.545 (13.84)
.545 (13.84)
.865 (21.97)
.865 (21.97)
1.025 (26.04)
1.025 (26.04)
.175 (4.45)
-
.062 (1.57)
-
.160 (4.06)
-
A
Max.
B
Max.
C
Ref.
D
± .006 (0.15)
Stainless steel, passivated
Stainless steel, passivated
Stainless steel, passivated
Stainless steel, passivated
Polyester, black color
Polyphenylene sulfide, black color
Jackscrew
Retainer, Jackscrew
Insert, Threaded
Post, Polarizing
41
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Micro Center Jackscrew MJS
Shrouded Receptacle (42)
+
MJSR-42P A
1.322
(33.58)
REF.
.125
(3.18)
TYP.
CAV. #1
.075
(1.91)
TYP.
#1 (.073) - 64 UNC-2B
THREADED INSERT
.035 (0.89)
.015 (0.38)
TYP.
B
C
D
CAV. #31
.100
(2.54)
TYP.
.297
(7.54)
REF.
.420
(10.67)
MAX.
CAV #42
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
A
1.328
(33.73)
REF.
.125
(3.18)
TYP. .100
(2.54)
TYP.
CAV
# 1
CAV. 42
1/16 SOCKET HEAD JACKSCREW
#1 (.073 - 64 UNC - 2A THREAD
C
.131 (3.33)
.121 (3.07) TYP
B
.145 (3.68)
DIA. MAX. .108
(2.74) MAX.
.075 (1.91)
TYP.
.303
(7.70)
REF.
.420
(10.67)
MAX.
MJSR-42S
Part Number
A
Max.
B
Max.
C
Ref.
D
±.006 (0.15)
MJSR-42P
MJSR-42S
1.445 (36.70)
1.445 (36.70)
.345 (8.76)
.357 (9.07)
1.250 (31.75)
1.250 (31.75)
.142 (3.61)
-
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
Micro Center Jackscrew MJS
Shrouded Receptacle (76)
42
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Dimensions shown in inch (mm)
Specifications and dimensions subject to change
+
MJSR-76P
#2 (0.86) - 64 UNC-2B
THREADED INSERT
A
1.472
(37.39)
REF.
CAV.
#1
.100 (2.54) TYP.
.075
(1.91)
TYP.
CAV. #76 CAV. #62
C
.447
(11.35)
REF.
.570
(14.48)
MAX.
.035 (0.89)
.015 (0.38)
TYP.
B
D
CAV. #13
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
++ ++
+++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
.570
(14.48)
MAX.
.453
(11.51)
TYP.
.075
(1.91)
TYP.
.100 (2.54)
TYP.
1.478 (37.54) TYP.
CAV. #1
C
A
1/16 SOCKET HEAD JACKSCREW
#2 (.086 - 64 UNC - 2A THREAD .131 (3.33)
.121 (3.07) TYP
B
.160
(4.06)
MAX.
.150 (3.81)
MAX.
MJSR-76S
Part Number
A
Max.
B
Max.
C
Ref.
D
±.006 (0.15)
MJSR-76P
MJSR-76S
1.595 (40.51)
1.595 (40.51)
.345 (8.76)
.357 (9.07)
1.400 (35.56)
1.400 (35.56)
.142 (3.61)
-
CAV. #62 CAV. #76
CAV. #13
STANDARD MATERIALS AND FINISHES
Micropin
Microsocket
Insulator
Jackscrew
Retainer, Jackscrew
Insert, Threaded
Copper alloy, 50 miro-inch gold
Copper alloy, 50 micro-inch gold
Polyphenylene sulfide, black color
Stainless steel, passivated
Stainless steel, passivated
Stainless steel, passivated
43
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Dimensions shown in inch (mm)
Specifications and dimensions subject to change
Micro Center Jackscrew MJS
Plug (Molded-In Insert - Special)
MJSV**P
MJSV-26P**
(Shown)
Part Number
MJSV-26P**
MJSV-38P**
.868 (22.05)
1.168 (29.67)
A
Ref.
.100 (2.54)
INSERT
#1-64 UNC-2B
INSULATOR
A
MAX.
ENGAGING FACE
.300 (7.62)
MAX.
.061 (1.55)
MAX.
.109 (2.77)
MAX. DIA.
LEAD
LENGTH
MICRO-PIN
CONTACT
.162 (4.11)
REF.
CAVITY # 1
Receptacle (Special)
MJSV-26S**
(Shown)
Part Number
MJSV-26S**
MJSV-38S**
.943 (23.95)
1.243 (31.57)
.874 (22.20)
1.174 (29.82)
A
Max.
B
Ref.
.167 (4.24)
REF.
.100 (2.54)
REF.
B
.253 (6.43)
MAX.
.320 (8.13)
MAX.
.155 (3.94)
MAX.
A
MAX.
#1-64 UNC-2A
MICRO-SOCKET
.190 (4.83)
REF.
LEAD
LENGTH
JACKSCREW
MJSV**S*
CAVITY # 1
Contact Arrangements
++
.075 (1.91) .050 (1.27)
.100 (2.54)
14
26
Identification numbers are for reference and do not appear on connectors.
.050 (1.27)
TYP.
26 Contacts
.050 (1.27)
TYP.
.075 (1.91)
.100 (2.54)
REF.
20
38
21
1
1
38 Contacts
15
Face view of pin - use reverse order for socket