Rack & Panel
MRE Series
Miniature Rectangular
/
#20 Contacts
/
.040" Dia.
/
7.5 Amps
Receptacle MRE 14S-G
Plug MRE 14P-G
Hood MRE 14H
MRE Series plugs and receptacles are the
accepted standard for rectangular-shaped,
miniature, internal-type connectors. They
embody all of the features expected of true
miniaturization: maximum utility of space,
extremely lightweight and unusually high
working voltage and current ratings. Their
long life and trouble-free service continue to
make them highly popular for use in aircraft,
instrumentation and portable equipment.
The MRE and MRA series share the same
hoods, hardware and accessories.
SPECIFICATIONS
Current Rating:7.5
amps
No. of
Contacts:
7, 8, 9, 11, 14, 18, 20, 21,
26, 34, 41, 42, 50, 75, 104
Pin Contacts:
.040 dia., gold plated brass
Socket
Contacts:
Phosphor bronze plated gold.
Termination
Types:
.048 dia. solder cup is
standard. It will accept up to
#20 AWG stranded wire. Pin
and Socket Contacts
available with dip solder
terminations, .025 Dia.
Check Sales Dept. for
lengths available.
Electrical Data:Meets
high potential
performance requirements of
MIL-C-28748. Military
versions are QPL’d to
M28748/5 and M28748/6.
The dielectric withstanding
voltage is one minute at 1200
volts.
Brown mineral filled diallyl
phthalate. Also available in
gray glass filled diallyl
phthalate, per MIL-M-14,
SDG-F.
Gold plated guides provide
positive polarization. Polarized
nickel-plated brass and/or
passivated stainless steel
jackscrews with anodized
aluminum knobs are
available.
Anodized aluminum. May be
applied to either plug or
receptacle. Both top and
side openings are available.
Dielectric:
Polarization:
Hoods:
Winchester/Retconn
62 Barnes Industrial Road North, Wallingford, Connecticut 06492 Phone:(203)741-5400 Fax:(203)741-5500 www.winchesterelectronics.com
RP /
34
Rack & Panel
MRE Series
Miniature Rectangular
/
#20 Contacts
/
.040" Dia.
/
7.5 Amps
TERMINATION TYPES
Solder Cup
.048 diameter solder cup is the standard
termination for cable and panel mounting
applications. It will accept up to #20 AWG
stranded wire.
Dip Solder
For mounting on printed circuit boards, .025
diameter straight dip solder terminations (for
Pin Contacts and Socket Contacts) are
available. Consult the Sales Department for
available lengths.
GUIDE SOCKETS
3 Types of Guide Sockets are Available
Guide
Socket
Code Letter
Application
The “G” type socket is the standard guide supplied. It
has good physical strength and may be used electrically
in a low current circuit or as a contact for ground leads.
Actual
Size Photo
G*
G Type
For General Use
Phosphor
K*
The “K” guide socket is an excellent electrical conductor.
Its extra spring-tension provides a high normal force
uniformily distributed along the surface of the engaged
pilot guide, thus minimizing electrical resistance.
The multivolt drop across extreme ends of the engaged
pilot and socket guide is 10 mv. at 20 amps.
The high physical strength of the “N” guide socket allows
a greater degree of forcible tightening against a mounting
surface than is permitted by the other guide sockets. This
feature is particularly desirable for mounting connectors
which will be subject to severe vibration in service. “N”
guides are not to be used electrically.
K Type For High
Electrical Conductivity
Beryllium Copper
Standard Guide
Pin mates with all types
Brass
N*
N Type For extra
Mechanical Strength
Brass
* For passivated stainless steel add SS suffix
PHYSICAL DATA
HOW TO ORDER: To obtain “K” or “N”
guides in place of the standard “G” type,
substitute the desired socket style code
letter (“K” or “N”) for “G” in both the Plug
and Receptacle Code Numbers.
(See Code Numbers in table at right.
Plug
Total
No. of
Winchester
Contacts Electronics
Code No.
Recept.
Winchester
Electronics
Code No.
No.
Standard
Contacts,
7.5 Amps
(.048 dia.
solder cup
for #20
AWG)
No.
Standard
Contacts,
10 Amps
(.052 dia.
solder cup
for #18
AWG)
Weight
Oz.
Plug Rec.
.3
.2
.3
.3
.3
.4
.5
.5
.3
.2
.3
.3
.3
.4
.4
.5
Plug
Total
No. of
Winchester
Contacts Electronics
Code No.
Recept.
Winchester
Electronics
Code No.
No.
Standard
Contacts,
7.5 Amps
(.048 dia.
solder cup
for #20
AWG)
No.
Standard
Contacts,
10 Amps
(.052 dia.
solder cup
for #18
AWG)
Weight
Oz.
Plug Rec.
.6
.8
.8
.9
1.0
1.5
3.3
.5
.7
.6
.8
.9
1.3
2.2
7
8
9
11
14
18
20
21
MRE 7P-G
MRE 8P-N
MRE 9P-G
MRE 11 P-G
MRE14P-G
MRE 18P-G
MRE 20P-G
MRE 21P-G
MRE
MRE
MRE
MRE
MRE
MRE
MRE
MRE
7S-G
8S-N
9S-G
11S-G
14S-G
18S-G
20S-G
21S-G
7
8
9
11
14
18
20
21
none
none
none
none
none
none
none
none
26
34
41
42
50
75
104
MRE
MRE
MRE
MRE
MRE
MRE
MRE
26P-G
34P-G
41P-G
42P-G
50P-G
75 P-G
104P-JT
MRE
MRE
MRE
MRE
MRE
MRE
MRE
26S-G
34S-G
41S-G
42S-G
50S-G
75S-G
104S-G
26
34
41
42
50
75
104
none
none
none
none
none
none
none
Winchester/Retconn
62 Barnes Industrial Road North, Wallingford, Connecticut 06492 Phone:(203)741-5400 Fax:(203)741-5500 www.winchesterelectronics.com
RP /
35
Rack & Panel
MRE Series
OUTLINE
Dimensions are for reference only and
are subject to change. Outline drawings
on request.
.37
.86
.09 R
.27
.37
.78
.37
.27
Miniature Rectangular
/
#20 Contacts
/
.040" Dia.
/
7.5 Amps
.075
Typ.
.906
1.219
.13
.172
Typ.
4-40 NC-2 THD.
Slot .038 Wide
Receptacle
MRE 7S-G
Plug
MRE 7P-G
.75
.37
.070
Typ.
.750
.09 R
.20
.37
.72
.37
.20
.562
.09 R
.094
Typ.
4-40 NC-2 THD.
Slot .020 Wide
Note: For MRE8, "G" guides not available
Receptacle
MRE 8S-N
Plug
MRE 8P-N
.86
.37
.27
.37
.37
.78
.27
.075
Typ.
1.313
1.000
.11
.172
Typ.
.09 R
4-40 NC-2 THD.
Slot .038 Wide
Receptacle
MRE 9S-G
Plug
MRE 9P-G
Winchester/Retconn
62 Barnes Industrial Road North, Wallingford, Connecticut 06492 Phone:(203)741-5400 Fax:(203)741-5500 www.winchesterelectronics.com
RP /
36
Rack & Panel
MRE Series
OUTLINE
Dimensions are for reference only and
are subject to change. Outline drawings
on request.
.86
.44
.075
Typ.
1.250
.937
.27
.37
.78
.37
.27
.075
Typ.
1.313
1.000
.06
.56
.09R
.27
.86
.37
.37
.78
.27
Miniature Rectangular
/
#20 Contacts
/
.040" Dia.
/
7.5 Amps
.13R
.09R
.130 Typ.
Receptacle
MRE 14S-G
4-40 NC-2
THD.
SLOT 0.38 WIDE
.13R
Plug
MRE 14P-G
.130 Typ.
Receptacle
MRE 18S-N
4-40 NC-2 THD.
SLOT .038 WIDE
Plug
MRE 18P-N
.37
.86
.44
.075
Typ.
2.250
1.560
1.937
1.250
.09R
.27
.37
.37
.78
.27
.075
Typ.
.27
.86
.37
.78
.37
.27
.06
.13
.09R
.130 Typ.
4-40 NC-2
THD.
SLOT 0.38 WIDE
.172
Plug
MRE 20P-N
.13R
4-40 NC-2 THD.
Receptacle
MRE 21S-N
SLOT .038 WIDE
Plug
MRE 21P-N
Receptacle
MRE 20S-N
.75
.47
.86
.56
.075
Typ.
.09R
.27
.37
.37
.78
.27
.075
Typ.
.13
1.625
1.312
2.000
1.688
.23
.09R
.27
.86
.37
.37
.78
.27
.06
MOUNTING
HOLES
FOR NO.4
MACHINE
SCREWS
.13R
.130 Typ.
4-40 NC-2
THD.
SLOT 0.38 WIDE
.180 Typ.
Receptacle
MRE 34S-N
4-40 NC-2 THD.
SLOT .038 WIDE
Receptacle
MRE 26S-N
Plug
MRE 26P-N
Plug
MRE 34P-N
Winchester/Retconn
62 Barnes Industrial Road North, Wallingford, Connecticut 06492 Phone:(203)741-5400 Fax:(203)741-5500 www.winchesterelectronics.com
RP /
37
Rack & Panel
MRE Series
OUTLINE
Dimensions are for reference only and
are subject to change. Outline drawings
on request.
.86
.37
.78
.37 .27
.075
Typ.
.06
.16
2.625
2.313
2.312
2.000
.75
.47
.23
.86
.37
.78
.37 .27
Miniature Rectangular
/
#20 Contacts
/
.040" Dia.
/
7.5 Amps
.075
Typ.
.44
.09R
.27
.09R
.27
.13R
.130 Typ.
Receptacle
MRE 41S-N
4-40 NC-2
THD.
Plug
MRE 41P-N
SLOT 0.38 WIDE
MOUNTING
HOLES FOR
NO.4 MACHINE
SCREWS
.180 Typ.
4-40 NC-2
THD.
SLOT 0.38 WIDE
Plug
MRE 42P-G
Receptacle
MRE 42S-G
.88
.86
.27 .37
.16R
.09
.13
.075
Typ.
1.234
1.109
.77
.23
.86
.27 .37
.094 .13
.75
.47
.23
.78
.37 .27
.075
Typ.
.78
.37 .27
.16
2.594
2.282 2.719
2.594
2.281 2.719
.16R
.16R
MOUNTING HOLES FOR
NO.4 MACHINE SCREWS
Receptacle
MRE 75S-N
1.531
.88
.44
.075
Typ.
8-32
UNC
2A THD
2.375
6-32 UNC
2A THD
.075
Typ.
.781 1.094
1.359
.37
.16
.78
.37
.27
.44
.27
.180 Typ.
SLOT 0.38 WIDE
4-40 NC-2
THD.
Plug
MRE 75P-N
MOUNTING
HOLES
FOR NO.4
MACHINE SCREWS
.180 Typ.
Receptacle
MRE 50S-N
4-40 NC-2
THD.
SLOT 0.38 WIDE
Plug
MRE 50P-N
.86
.37
.78
.37
.27
2.750
.13R
MOUNTING
HOLES
FOR NO.4
MACHINE
SCREWS
.180 Typ.
062 DIA HOLE
FOR SAFETY WIRE
Plug
MRE 104P-J
.09R
.130 Typ.
4-40 NC-2
THD.
Receptacle
MRE 11S-G
SLOT 0.38 WIDE
Receptacle
MRE 104S-JT
Plug
MRE 11P-G
Winchester/Retconn
62 Barnes Industrial Road North, Wallingford, Connecticut 06492 Phone:(203)741-5400 Fax:(203)741-5500 www.winchesterelectronics.com
RP /
38
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