the female contacts, and will not allow the female
SECTION A - A
ENLARGED
contact to accept misaligned or bent male con-
tacts.
All
BMP-Series
contacts are precision
machined from solid copper alloy barstock. They
are durable, smooth in construction, and have
greater amperage capacities than hollow, sheet
metal style contacts.
The
BMP-Series
contact, having a large con-
tact surface area, produces less heat at the con-
tact surface, thereby permitting the connector to
operate at high amperage levels continuously,
and still maintain lower connector temperatures.
BMP 18W6 MATED CONNECTORS
CURRENT-TEMPERATURE DERATING CURVE
SIZE 16 AND SIZE 8 CONTACTS UNDER LOAD
(TESTED PER IEC PUBLICATION 512-3, TEST 5b)
44
40
36
32
BMP CONNECTOR
RATED CURRENT (AMPS)
28
24
20
16
12
8
4
0
30
40
50
60
70
80 90
100 110
AMBIENT TEMPERATURE (°C)
120
130
TEMPERATURE RISE CURVE
SIZE 16 AND SIZE 8 CONTACTS UNDER LOAD
(TESTED PER IEC PUBLICATION 512-3, TEST 5a)
44
40
36
32
28
24
20
16
12
8
4
0
0
10
20
30
40
50 60
70
TEMPERATURE RISE (°C)
80
90
100
The curves shown above were developed using twelve (12) Size 16 MC116N and FC116N2 contacts with 16 AWG (1.5 mm2) size
wire, and six (6) Size 8 MC4008D-858.2 and FC4008D contacts with 10 AWG (6 mm2) size wire. Current was applied through two
separate circuits; 15 amperes was maintained through the Size 16 MC116N and FC116N2 contacts and allowed to thermally sta-
bilize while current through the Size 8 MC4008D-858.2 and FC4008D contacts was increased from 0 to 40 amperes.
BMP CONNECTOR
RATED CURRENT (AMPS)
ORDERING INFORMATION FOR BMP CONNECTORS
BMP connectors are offered in four mounting styles. Schematic 1 shows the BMP connector with no mounting hardware while Schematic 2 illustrates the plug shell option. Schematic 3 pictures a floating board
mount option with a cable support (hood) while Schematic 4 details a jackscrew option. Use the indicated part numbers to order the desired BMP connector assembly. Order the contacts based on the contact part
number charts shown elsewhere on this brochure. Contact the Factory for ordering information on special indicated “Additional Options.”
SCHEMATIC 1
Printed Board
Mount Terminations
1.688[42.88]
A
A
A
B
E
FOR THIS PART ORDER:
BMP18W6M3700000
0.170[4.32] TYP.
Ø 0.062[1.57] TYP.
B
Ø 0.125[3.18] TYP.
B
1.627[41.33]
0.719[18.26]
2.905[73.79]
D
FOR THIS PART ORDER:
BMP18W6F3700000
SCHEMATIC 2
Crimp Contact
Terminations
B
C2
C1
A
A
FOR THIS PART ORDER:
BMP18W6FOTRAOO
SHOWN WITH FC116N2 AND
FC4008D CONTACTS
SCHEMATIC 3
Crimp Contact
Terminations
B
2.220[56.39]
A
C2
B
E
1.665[42.29]
C1
A
0.750[19.05]
G
F
A
2.930[74.42]
2.846[72.29]
A
FOR THIS PART
ORDER:
BMP18W6MOELPAOO
SHOWN WITH MC116N
AND MC4008D-858.2
CONTACTS
FOR THIS PART ORDER:
BMP18W6MOOOOZO-1026.1
SHOWN WITH MC116N AND
MC4008D-858.2 CONTACTS
B
A
SCHEMATIC 4
Crimp Contact
Terminations
C1
B
C2
0.719[18.26]
3.500[88.90]
2.885[7.33]
A
FOR THIS PART ORDER:
BMP18W6FOTHOOFB-1026.0
SHOWN WITH FC116N2 AND
FC4008D CONTACTS
FOR THIS PART
ORDER:
BMP18W6FOTOOOO
SHOWN WITH FC116N2
AND FC4008 CONTACTS
2.000[50.80]
A
3.875[98.43]
FOR THIS PART ORDER:
BMP18W6MOELOOOO
SHOWN WITH MC116N AND MC4008D-858.2 CONTACTS
BMP SERIES COMPONENT DESCRIPTIONS
ITEM
A
B
C1
C2
D
E
F
G
DESCRIPTION
Male and female contacts, Size 8 and 16. Terminations are crimp, solder, and printed board straight solder.
Male and female connector insulators. May be used as a free or fixed connector.
Fixed jackscrews.
Rotating jackscrews.
Hood (cable adapter) provides cable support.
Male and female shells (shrouds) protect contacts from damage. May also provide additional polarization
combinations.
Mounting plate used to mount a fixed connector to a panel.
Float bushings.
ADDITIONAL OPTIONS:
COAXIAL CONTACTS, SIZE 16 SOLDER TERMINATION CONTACTS, AND CRIMP TOOLS
Coaxial contacts, and Size 16 solder termination contacts are also offered for the BMP connectors. Consult
Positronic’s Heavy-Duty Rectangular Connector Catalog and the factory for details. Crimp tools are
available from stock. Other combinations of power and signal contacts are available on special order to
satisfy special customer requirements.
Consult the factory for technical and ordering information.
BMP SERIES CONTACT ORDERING INFORMATION
NOTE: Contacts are not supplied with the BMP-series connectors and must be ordered separately.
SIZE 16 CRIMP CONTACTS
* FEMALE CONTACT CLOSED ENTRY, L.S.A.
± 0.003
± 0.003
± 0.001
MALE CONTACT
± 0.003
B
A
± 0.010
CØ
± 0.003
A
± 0.010
B
0.062
(1,57)
± 0.020
0.250
(6,35)
± 0.020
± 0.020
± 0.020
0.766
(19,46)
0.766
(19,46)
B
NOMINAL
RATING
25 amp
0.105
(2,67)
0.093
(2,36)
0.065
(1,65)
25 amp
25 amp
25 amp
PART
NUMBER
MC112N
MC114N
MC116N
MC120N
WIRE SIZE
AWG/(mm2)
12
(4,0)
14 - 16
(2,5 - 1,5)
16 - 18
(1,5 - 1,0)
20 - 22 - 24
(0,5 - 0,3 - 0,25)
A
0.098
(2,49)
0.081
(2,06)
0.067
(1,70)
0.045
(1,14)
0.105
(2,67)
0.093
(2,36)
0.065
(1,65)
B
0.250
(6,35)
0.062
(1,57)
PART
NUMBER
FC112N2
FC114N2
FC116N2
FC120N2
WIRE SIZE
AWG/(mm2)
12
(4,0)
14 - 16
(2,5 - 1,5)
16 - 18
(1,5 - 1,0)
20 - 22 - 24
(0,5 - 0,3 - 0,25)
A
0.098
(2,49)
0.081
(2,06)
0.067
(1,70)
0.045
(1,14)
CØ
0.0625
(1,588)
0.0625
(1,588)
0.0625
(1,588)
0.0625
(1,588)
NOMINAL
RATING
25 amp
25 amp
25 amp
25 amp
Material: Copper alloy.
Finish:
0.000010 (0,25 µ) gold over nickel or copper. 0.000030 (0,75 µ) gold over nickel available by adding -14 suffix onto part number. Example: FC120N2-14
SIZE 8 REMOVABLE POWER SOLDER CONTACTS
* FEMALE CONTACT CLOSED ENTRY, L.S.A.
B
0.142 Ø
(3,61)
MALE CONTACT
C
B
C
A
PART
NO.
FS4008D
FS4012D
FS4016D
Material:
Finish:
CURRENT
RATING
40 AMPS
20 AMPS
10 AMPS
WIRE
SIZE
8
12
16
A REF.
0.858
(21,79)
0.858
(21,79)
0.858
(21,79)
BØ
0.219
(5,56)
0.143
(3,63)
0.100
(2,54)
CØ
0.188
(4,78)
0.112
(2,84)
0.069
(1,75)
PART
NO.
MS4008D-858.1
MS4012D-858.1
MS4016D-858.1
CURRENT
RATING
40 AMPS
20 AMPS
10 AMPS
A
WIRE
SIZE
8
12
16
A REF.
0.985
(25,02)
0.985
(25,02)
0.985
(25,02)
BØ
0.219
(5,56)
0.143
(3,63)
0.100
(2,54)
CØ
0.188
(4,78)
0.112
(2,84)
0.069
(1,75)
High conductivity copper alloy.
Gold flash over nickel.
SIZE 8 REMOVABLE POWER CRIMP CONTACTS
* FEMALE CONTACT CLOSED ENTRY, L.S.A.
A
MALE CONTACT
A
BØ
0.142 Ø
(3,61)
0.354
(8,99)
BØ
0.354
(8,99)
A
0.858
(21,79)
0.858
(21,79)
0.858
(21,79)
BØ
0.181
(4,60)
0.101
(2,57)
0.067
(1,70)
PART NO.
MC4008D-858.2
MC4012D-858.2
MC4016D-858.2
CURRENT
RATING
40 AMPS
20 AMPS
10 AMPS
WIRE SIZE
8
12
16
A
0.985
(25,02)
0.985
(25,02)
0.985
(25,02)
BØ
0.181
(4,60)
0.101
(2,57)
0.067
(1,70)
PART NO.
FC4008D
FC4012D
FC4016D
Material:
Finish:
CURRENT
RATING
40 AMPS
20 AMPS
10 AMPS
WIRE
SIZE
8
12
16
High conductivity copper alloy.
Gold flash over nickel.
DIMENSIONS ARE IN INCHES (MILLIMETERS)
ALL DIMENSIONS SUBJECT TO CHANGE
*NOTE: Female contacts feature Large Surface Area (L.S.A.) closed entry contact design which provides maximum mating surfaces between male and
female contact and reduced contact resistance during operation.
BMP CONNECTOR DIMENSIONS
3.000 [76.20]
1.167[29.64]
0.961[24.41]
0.462[11.73]
0.681[17.30]
0.540[13.72]
Ø 0.230 [5.84]
TYP. 2 PLACES
Ø 0.248[6.30]
TYP. 2
PLACES
1.530[38.86]
0.876[22.25]
0.876[22.25]
1.530[38.86]
2.375[60.33]
2.375[60.33]
2.680[68.07]
2.680[68.07]
TYPICAL
PART NUMBER:
BMP18W6FOT0000
TYPICAL
PART NUMBER:
BMP18W6MOEL0000
Positronic Industries, Inc. believes the data contained herein to be reliable. Since the technical information is given free
of charge, the User employs such information at his or her own discretion and risk. Positronic Industries, Inc. assumes
no responsibility for results obtained or damages incurred from use of such information in whole or part.
POSITRONIC INDUSTRIES, INC.
423 N. Campbell Ave. • P.O. Box 8247 • Springfield, MO 65801
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