Circular Connectors – Mouser Singapore

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Circular Waterproof Connectors

Amphenol LTW Circular Waterproof Connectors are environmentally sealed and have an IP66 to IP68 waterproof protection rating. These Ceres connectors, available in plastic and metal shells, feature up to 31 pins and up to 2000 mating cycles. Ceres connectors provide a comprehensive size range and various mating styles: screw, lock bayonet, and push-lock. Amphenol LTW Circular Waterproof Connectors meet many harsh environmental standards and are suitable for both power and data applications.

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Types of Circular Connectors

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Part #

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 06 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

BD-06PMMP-LC7001
Amphenol LTW
1: $8.02
1,996In Stock

Mfr. Part No.
BD-06PMMP-LC7001

Mouser Part No
523-BD-06PMMP-LC7001

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 06 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

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Datasheet

1,996In Stock

$8.02

$6.80

$6.48

$6.14

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Middle Size, Plastic, 5A+2A, 12 pins, Female Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67

CDU-12BFMA-LL7001
Amphenol LTW
1: $18.13
206In Stock

Mfr. Part No.
CDU-12BFMA-LL7001

Mouser Part No
523-CDU12BFMALL7001

Amphenol LTW

Standard Circular Connector Ceres, Middle Size, Plastic, 5A+2A, 12 pins, Female Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67

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Datasheet

206In Stock

$18.13

$15.39

$13.83

$12.08

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Large Size, Plastic, 5A, 18 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

DD-18PMMP-LC7001
Amphenol LTW
1: $14.83
306In Stock

Mfr. Part No.
DD-18PMMP-LC7001

Mouser Part No
523-DD-18PMMP-LC7001

Amphenol LTW

Standard Circular Connector Ceres, Large Size, Plastic, 5A, 18 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

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Datasheet

306In Stock

$14.83

$12.19

$11.97

$10.90

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 03 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

BD-03BFFA-LL7001
Amphenol LTW
1: $10.88
319In Stock

Mfr. Part No.
BD-03BFFA-LL7001

Mouser Part No
523-BD-03BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 03 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

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Datasheet

319In Stock

$10.88

$9.24

$8.74

$8.63

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Middle Size, Plastic, 5A, 10 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67

CD-10BFFA-LL7001
Amphenol LTW
1: $24.03
211In Stock

Mfr. Part No.
CD-10BFFA-LL7001

Mouser Part No
523-CD10BFFALL7001

Amphenol LTW

Standard Circular Connector Ceres, Middle Size, Plastic, 5A, 10 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67

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Datasheet

211In Stock

$24.03

$20.42

$20.10

$19.95

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 02 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

AD-02BFFA-LL7001
Amphenol LTW
1: $11.15
339In Stock

Mfr. Part No.
AD-02BFFA-LL7001

Mouser Part No
523-AD-02BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 02 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

Learn More

Datasheet

339In Stock

$11.15

$9.45

$8.98

$8.87

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 04 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

AU-04BFFA-LL7001
Amphenol LTW
1: $13.93
136In Stock

Mfr. Part No.
AU-04BFFA-LL7001

Mouser Part No
523-AU-04BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 04 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

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Datasheet

136In Stock

$13.93

$11.82

$11.22

$10.88

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 05 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67

AU-05PMMS-LC7001
Amphenol LTW
1: $6.49
212In Stock

Mfr. Part No.
AU-05PMMS-LC7001

Mouser Part No
523-AU-05PMMS-LC7001

Amphenol LTW

Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 05 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67

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Datasheet

212In Stock

$6.49

$5.50

$5.49

$5.32

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Female Connector

CAP-WAAFLPC1
Amphenol LTW
1: $7.55
218In Stock

Mfr. Part No.
CAP-WAAFLPC1

Mouser Part No
523-CAP-WAAFLPC1

Amphenol LTW

Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Female Connector

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Datasheet

218In Stock

$7.55

$6.41

$5.92

$5.71

View

Min.: 1
Mult.: 1

Accessories

Socket (Female)

Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 06 pins, Male Connector, Male Contact, Circular, Screw Thread, Solder, Receptacle, IP67

AU-06RMMS-SC7001
Amphenol LTW
1: $7.87
253In Stock

Mfr. Part No.
AU-06RMMS-SC7001

Mouser Part No
523-AU-06RMMS-SC7001

Amphenol LTW

Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 06 pins, Male Connector, Male Contact, Circular, Screw Thread, Solder, Receptacle, IP67

Learn More

Datasheet

253In Stock

$7.87

$6.67

$6.14

$5.92

View

Min.: 1
Mult.: 1

Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

AAAA-BML09000105
Amphenol LTW
1: $11.68
40In Stock
New Product

Mfr. Part No.
AAAA-BML09000105

Mouser Part No
523-AAAA-BML09000105

New Product

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

Learn More

Datasheet

40In Stock

$11.68

$9.91

$9.66

$8.19

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Solder

IP67

Standard Circular Connector Ceres, Middle Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

AAAA-CML09000071
Amphenol LTW
1: $12.44
132In Stock
New Product

Mfr. Part No.
AAAA-CML09000071

Mouser Part No
523-AAAA-CML09000071

New Product

Amphenol LTW

Standard Circular Connector Ceres, Middle Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

Learn More

Datasheet

132In Stock

$12.44

$10.56

$10.29

$10.02

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Solder

IP67

Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

OW-BCU-09PMMP-LC7001
Amphenol LTW
1: $10.73
134In Stock
340Expected 17/3/2026
New Product

Mfr. Part No.
OW-BCU-09PMMP-LC7001

Mouser Part No
523-OWBCU9PMMPLC7001

New Product

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67

Learn More

Datasheet

134In Stock

340Expected 17/3/2026

$10.73

$9.10

$8.91

$8.70

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Solder

IP67

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 04 pins, Female Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

BD-04BFMA-LL7001
Amphenol LTW
1: $13.18
317In Stock

Mfr. Part No.
BD-04BFMA-LL7001

Mouser Part No
523-BD-04BFMA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 04 pins, Female Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

Learn More

Datasheet

317In Stock

$13.18

$11.18

$10.88

$10.61

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 08 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

BD-08BFFA-LL7001
Amphenol LTW
1: $14.79
297In Stock

Mfr. Part No.
BD-08BFFA-LL7001

Mouser Part No
523-BD-08BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 08 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

Learn More

Datasheet

297In Stock

$14.79

$12.57

$11.76

$11.75

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

BU-10BFFA-LL7001
Amphenol LTW
1: $15.75
414In Stock

Mfr. Part No.
BU-10BFFA-LL7001

Mouser Part No
523-BU-10BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

Learn More

Datasheet

414In Stock

$15.75

$13.37

$12.69

$11.54

$11.12

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Male Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

BU-10BMMA-LL7001
Amphenol LTW
1: $19.49
186In Stock

Mfr. Part No.
BU-10BMMA-LL7001

Mouser Part No
523-BU-10BMMA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Male Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

Learn More

Datasheet

186In Stock

$19.49

$16.51

$15.94

$15.05

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 12 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

BU-12BFFA-LL7001
Amphenol LTW
1: $20.20
422In Stock

Mfr. Part No.
BU-12BFFA-LL7001

Mouser Part No
523-BU-12BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 12 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67

Learn More

Datasheet

422In Stock

$20.20

$17.15

$16.49

$15.73

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector

CAP-WABMLPC1
Amphenol LTW
1: $3.13
1,604In Stock
1,210Expected 17/3/2026

Mfr. Part No.
CAP-WABMLPC1

Mouser Part No
523-CAP-WABMLPC1

Amphenol LTW

Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector

Learn More

Datasheet

1,604In Stock

1,210Expected 17/3/2026

$3.13

$2.64

$2.47

$2.32

View

Min.: 1
Mult.: 1

Accessories

Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, Screw Thread, Male Connector

CAP-WACMSPC1
Amphenol LTW
1: $3.60
3,736In Stock
2,080Expected 12/3/2026

Mfr. Part No.
CAP-WACMSPC1

Mouser Part No
523-CAP-WACMSPC1

Amphenol LTW

Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, Screw Thread, Male Connector

Learn More

Datasheet

3,736In Stock

2,080Expected 12/3/2026

$3.60

$3.06

$2.97

$2.88

View

Min.: 1
Mult.: 1

Accessories

Socket (Female)

Standard Circular Connector Ceres, Middle Size, Plastic, 5A, 14 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67

CD-14BFFA-LL7001
Amphenol LTW
1: $23.30
312In Stock

Mfr. Part No.
CD-14BFFA-LL7001

Mouser Part No
523-CD-14BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Middle Size, Plastic, 5A, 14 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67

Learn More

Datasheet

312In Stock

$23.30

$19.79

$19.15

$18.54

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Large Size, Plastic, 5A, 18 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F5.5 - F10.8mm, IP67

DD-18BFFA-LL7001
Amphenol LTW
1: $24.64
231In Stock

Mfr. Part No.
DD-18BFFA-LL7001

Mouser Part No
523-DD-18BFFA-LL7001

Amphenol LTW

Standard Circular Connector Ceres, Large Size, Plastic, 5A, 18 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F5.5 - F10.8mm, IP67

Learn More

Datasheet

231In Stock

$24.64

$20.93

$20.85

$19.38

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 02 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67

1AD-02PMMS-LC7001
Amphenol LTW
1: $7.46
10In Stock

Mfr. Part No.
1AD-02PMMS-LC7001

Mouser Part No
523-1AD-02PMMSLC7001

Amphenol LTW

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 02 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67

Learn More

Datasheet

10In Stock

$7.46

$6.34

$5.60

$5.17

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 02 pins, Male Connector, Male Contact, Square, Screw Thread, Solder, Receptacle, IP67

1AD-02PMMS-SS7001
Amphenol LTW
1: $7.33
5In Stock

Mfr. Part No.
1AD-02PMMS-SS7001

Mouser Part No
523-1AD-02PMMSSS7001

Amphenol LTW

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 02 pins, Male Connector, Male Contact, Square, Screw Thread, Solder, Receptacle, IP67

Learn More

Datasheet

5In Stock

$7.33

$5.85

$5.66

$5.23

View

Min.: 1
Mult.: 1

IP67

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 03 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67

1AD-03PMMS-LC7001
Amphenol LTW
1: $8.02
2In Stock

Mfr. Part No.
1AD-03PMMS-LC7001

Mouser Part No
523-1AD-03PMMSLC7001

Amphenol LTW

Standard Circular Connector Ceres, Mini Size, Plastic, 5A, 03 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67

Learn More

Datasheet

2In Stock

$8.02

$6.42

$6.20

$5.73

View

Min.: 1
Mult.: 1

IP67

Circular Waterproof Connectors

Types of Circular Connectors

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