Circular Metric Connectors – Mouser Singapore

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M12 B-Code Circular Metric Connectors

Amphenol LTW M12 B-Code Circular Metric Connectors offer 2 to 8 pins and feature a screw-thread mating style with complete 360° shielding. Compliant with IEC 61076-2-101, these connectors ensure industry-wide connector compatibility. Key features include a vibration-proof, corrosion-resistant design and a waterproof IP67/IP68/IP69K protection rating. Amphenol LTW M12 B-Code Circular Metric Connectors are suitable for wet and harsh environments, such as surveillance systems, mass rapid transit/railways, industrial automation, and broadband wireless access.

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Part #

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-03BFFA-SL8001
Amphenol LTW
1: $12.50
8In Stock

Mfr. Part No.
M12B-03BFFA-SL8001

Mouser Part No
523-M12B03BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

8In Stock

$12.50

$10.62

$9.83

$9.48

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

250 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-03BMMA-SL8001
Amphenol LTW
1: $12.38
4In Stock

Mfr. Part No.
M12B-03BMMA-SL8001

Mouser Part No
523-M12B03BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

4In Stock

$12.38

$10.30

$9.53

$9.19

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

250 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

M12B-05BFFB-SL7001
Amphenol LTW
1: $17.15
9In Stock

Mfr. Part No.
M12B-05BFFB-SL7001

Mouser Part No
523-M12B05BFFBSL7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

Learn More

Datasheet

9In Stock

$17.15

$15.59

$14.55

$13.87

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-05BMMA-SL8001
Amphenol LTW
1: $12.89
7In Stock

Mfr. Part No.
M12B-05BMMA-SL8001

Mouser Part No
523-M12B05BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

7In Stock

$12.89

$10.95

$10.13

$9.76

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, PG9, Screw Thread, PCB 180 , Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

MSBS-05PFFP-SF8001
Amphenol LTW
1: $12.05
14In Stock

Mfr. Part No.
MSBS-05PFFP-SF8001

Mouser Part No
523-MSBS05PFFPSF8001

Amphenol LTW

Learn More

Datasheet

14In Stock

$12.05

$10.23

$9.47

$9.14

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, M16*1.5, Screw Thread, PCB 180 , Receptacle, Front Fastened, IP68 / IP69K

MSBS-05PFFP-SF8002
Amphenol LTW
1: $12.46
9In Stock

Mfr. Part No.
MSBS-05PFFP-SF8002

Mouser Part No
523-MSBS05PFFPSF8002

Amphenol LTW

Learn More

Datasheet

9In Stock

$12.46

$10.58

$9.79

$9.44

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, PG9, Screw Thread, PCB 180 , Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

MSBS-05PMMP-SF8001
Amphenol LTW
1: $10.46
1In Stock

Mfr. Part No.
MSBS-05PMMP-SF8001

Mouser Part No
523-MSBS05PMMPSF8001

Amphenol LTW

Learn More

Datasheet

1In Stock

$10.46

$8.88

$8.21

$7.93

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, M16*1.5, Screw Thread, PCB 180 , Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

MSBS-05PMMP-SF8002
Amphenol LTW
1: $11.03
10In Stock

Mfr. Part No.
MSBS-05PMMP-SF8002

Mouser Part No
523-MSBS05PMMPSF8002

Amphenol LTW

Learn More

Datasheet

10In Stock

$11.03

$9.37

$8.66

$8.36

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, M12*1.0, Screw Thread, PCB 90 , Receptacle, Front Fastened, IP67 Mated

MSBS-05PMMR-SF7003
Amphenol LTW
1: $12.54
9In Stock

Mfr. Part No.
MSBS-05PMMR-SF7003

Mouser Part No
523-MSBS05PMMRSF7003

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, M12*1.0, Screw Thread, PCB 90 , Receptacle, Front Fastened, IP67 Mated

Learn More

Datasheet

9In Stock

$12.54

$10.65

$9.57

$9.11

View

Min.: 1
Mult.: 1

Circular Metric Connectors

5 Contact

M12

Through Hole

B Coded

4 A

60 V

IP67

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, SMT 180

MSBS-05PMMT-EE0001
Amphenol LTW
1: $6.91
10In Stock

Mfr. Part No.
MSBS-05PMMT-EE0001

Mouser Part No
523-MSBS05PMMTEE8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, SMT 180

Learn More

Datasheet

10In Stock

$6.91

$5.86

$5.49

$5.24

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

60 V

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-04BFFA-SL8001
Amphenol LTW
1: $13.46
81In Stock

Mfr. Part No.
M12B-04BFFA-SL8001

Mouser Part No
523-M12B04BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

81In Stock

$13.46

$11.44

$10.58

$9.71

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

250 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

M12B-05BMMB-SL7001
Amphenol LTW
1: $14.06
88In Stock

Mfr. Part No.
M12B-05BMMB-SL7001

Mouser Part No
523-M12B05BMMBSL7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

Learn More

Datasheet

88In Stock

$14.06

$11.94

$11.04

$10.65

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

MSBS-05BFFA-SL7001
Amphenol LTW
1: $22.68
9In Stock

Mfr. Part No.
MSBS-05BFFA-SL7001

Mouser Part No
523-MSBS05BFFASL7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

Learn More

Datasheet

9In Stock

$22.68

$19.27

$18.28

$15.83

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

MSBS-05BMMA-SL7001
Amphenol LTW
1: $21.94
9In Stock

Mfr. Part No.
MSBS-05BMMA-SL7001

Mouser Part No
523-MSBS05BMMASL7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

Learn More

Datasheet

9In Stock

$21.94

$18.63

$17.68

$15.31

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-05BFFA-SL8001
Amphenol LTW
1: $13.41
10Expected 8/10/2026

Mfr. Part No.
MSBP-05BFFA-SL8001

Mouser Part No
523-SBP05BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

10Expected 8/10/2026

$13.41

$11.38

$10.54

$10.16

View

Min.: 1
Mult.: 1

Circular Metric Connectors

5 Contact

M12

Solder

B Coded

4 A

60 V

IP68

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-04BMMA-SL8001
Amphenol LTW
1: $11.53
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-04BMMA-SL8001

Mouser Part No
523-M12B04BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$11.53

$10.74

$9.94

$9.59

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-05BFFA-SL8001
Amphenol LTW
1: $13.00
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BFFA-SL8001

Mouser Part No
523-M12B05BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$13.00

$12.04

$11.14

$10.74

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

60 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

M12B-05BFFA-SR7001
Amphenol LTW
1: $12.47
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BFFA-SR7001

Mouser Part No
523-M12B05BFFASR7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$12.47

$11.32

$10.96

$10.74

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

M12B-05BMMA-SR7001
Amphenol LTW
1: $12.97
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BMMA-SR7001

Mouser Part No
523-M12B05BMMASR7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$12.97

$11.02

$10.38

$10.19

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

M12B-05BMMB-SR7001
Amphenol LTW
1: $16.17
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BMMB-SR7001

Mouser Part No
523-M12B05BMMBSR7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$16.17

$11.59

$10.31

$10.17

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-03BFFA-SL8001
Amphenol LTW
1: $12.21
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-03BFFA-SL8001

Mouser Part No
523-MSBP03BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$12.21

$10.51

$9.85

$9.37

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-03BMMA-SL8001
Amphenol LTW
1: $11.51
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-03BMMA-SL8001

Mouser Part No
523-MSBP03BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$11.51

$9.75

$9.14

$8.09

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-04BFFA-SL8001
Amphenol LTW
1: $12.99
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-04BFFA-SL8001

Mouser Part No
523-MSBP04BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$12.99

$11.03

$10.09

$9.81

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

MSBP-05BFFA-SR7001
Amphenol LTW
1: $11.66
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-05BFFA-SR7001

Mouser Part No
523-MSBP05BFFASR7001

Amphenol LTW

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$11.66

$9.90

$9.82

$9.28

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-05BMMA-SL8001
Amphenol LTW
1: $12.29
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-05BMMA-SL8001

Mouser Part No
523-MSBP05BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

$12.29

$10.06

$9.07

$8.92

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

M12 B-Code Circular Metric Connectors

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