Standard Circular Connectors – Mouser Singapore

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RM Miniature Circular Connectors

Hirose RM Miniature Circular Connectors are compact, rugged, and excellent in mechanical and electrical performance. Mechanically stable due to its rigid and simple construction, the RM Series is available in a variety of shell sizes. Hirose RM Miniature Circular Connectors meet the stringent demands of communication and electronic equipment.

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Types of Standard Circular Connectors

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Part #

Standard Circular Connector

RM15TRH-10S(81)
Hirose Connector
1: $24.01
18In Stock
New Product

Mfr. Part No.
RM15TRH-10S(81)

Mouser Part No
798-RM15TRH-10S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

18In Stock

$24.01

$19.43

$18.49

$17.97

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TRH-2PA(81)
Hirose Connector
1: $21.43
27In Stock
New Product

Mfr. Part No.
RM15TRH-2PA(81)

Mouser Part No
798-RM15TRH-2PA81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

27In Stock

$21.43

$17.75

$17.06

$15.11

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TRH-2SA(81)
Hirose Connector
1: $20.47
16In Stock
New Product

Mfr. Part No.
RM15TRH-2SA(81)

Mouser Part No
798-RM15TRH-2SA81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

16In Stock

$20.47

$18.15

$15.43

$15.11

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TRH-8S(81)
Hirose Connector
1: $21.89
29In Stock
40Expected 10/6/2026
New Product

Mfr. Part No.
RM15TRH-8S(81)

Mouser Part No
798-RM15TRH-8S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

29In Stock

40Expected 10/6/2026

$21.89

$17.72

$17.71

$16.39

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-8S(81)
Hirose Connector
1: $39.02
16In Stock
New Product

Mfr. Part No.
RM15WTPZ-8S(81)

Mouser Part No
798-RM15WTPZ-8S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

16In Stock

$39.02

$33.83

$31.08

$29.59

View

Min.: 1
Mult.: 1

Standard Circular Connector Multi-Purpose Miniature Waterproof Connector, Screw Lock, Plug, 12 Pos

RM15WTPZ-12P(81)
Hirose Connector
1: $37.25
112In Stock
90Expected 24/6/2026
New At Mouser

Mfr. Part No.
RM15WTPZ-12P(81)

Mouser Part No
798-RM15WTPZ-12P81

New At Mouser

Hirose Connector

Standard Circular Connector Multi-Purpose Miniature Waterproof Connector, Screw Lock, Plug, 12 Pos

Datasheet

112In Stock

90Expected 24/6/2026

$37.25

$32.30

$29.90

$28.84

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-3S(81)
Hirose Connector
1: $14.85
197In Stock
380Expected 10/6/2026
New Product

Mfr. Part No.
RM12BRD-3S(81)

Mouser Part No
798-RM12BRD-3S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

197In Stock

380Expected 10/6/2026

$14.85

$13.37

$10.72

$10.43

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-7PH(81)
Hirose Connector
1: $12.40
33In Stock
New Product

Mfr. Part No.
RM12BRD-7PH(81)

Mouser Part No
798-RM12BRD-7PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

33In Stock

$12.40

$11.16

$10.51

$10.23

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM15TRD-10P(81)
Hirose Connector
1: $23.82
40In Stock
120Expected 18/6/2026
New Product

Mfr. Part No.
RM15TRD-10P(81)

Mouser Part No
798-RM15TRD-10P81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

40In Stock

120Expected 18/6/2026

$23.82

$21.16

$20.03

$17.83

View

Min.: 1
Mult.: 1

Receptacles

Pin (Male)

Solder Cup

5 A

Standard Circular Connector

RM12BJB-4S(81)
Hirose Connector
1: $22.67
36In Stock
New At Mouser

Mfr. Part No.
RM12BJB-4S(81)

Mouser Part No
798-RM12BJB-4S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

36In Stock

$22.67

$19.65

$18.61

$17.67

View

Min.: 1
Mult.: 1

Receptacles

Socket (Female)

Solder Cup

5 A

Standard Circular Connector

RM12BRD-4PH(81)
Hirose Connector
1: $11.58
20In Stock
New Product

Mfr. Part No.
RM12BRD-4PH(81)

Mouser Part No
798-RM12BRD-4PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

20In Stock

$11.58

$9.37

$8.91

$8.66

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15QRD-8S(81)
Hirose Connector
1: $22.27
4In Stock
40Expected 10/6/2026
New Product

Mfr. Part No.
RM15QRD-8S(81)

Mouser Part No
798-RM15QRD-8S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

4In Stock

40Expected 10/6/2026

$22.27

$18.03

$17.15

$16.68

View

Min.: 1
Mult.: 1

Standard Circular Connector 4 POS CIRCULAR CONNECTOR

RM15QRD-4SA(81)
Hirose Connector
1: $19.67
44In Stock

Mfr. Part No.
RM15QRD-4SA(81)

Mouser Part No
798-RM15QRD4SA81

Hirose Connector

Standard Circular Connector 4 POS CIRCULAR CONNECTOR

Learn More

Datasheet

44In Stock

$19.67

$15.92

$15.15

$14.72

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

Standard Circular Connector

RM15TJD-10S(81)
Hirose Connector
1: $45.84
4In Stock
New Product

Mfr. Part No.
RM15TJD-10S(81)

Mouser Part No
798-RM15TJD-10S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

4In Stock

$45.84

$36.70

$35.76

$34.76

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TPN-10PC(31)
Hirose Connector
1: $24.77
88In Stock

Mfr. Part No.
RM15TPN-10PC(31)

Mouser Part No
798-RM15TPN-10PC31

Hirose Connector

Standard Circular Connector

Learn More

Datasheet

88In Stock

$24.77

$21.06

$19.74

$18.81

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Crimp

5 A

Standard Circular Connector CAP

RM15TR-C(31)
Hirose Connector
1: $15.54
55In Stock

Mfr. Part No.
RM15TR-C(31)

Mouser Part No
798-RM15TR-C31

Hirose Connector

Standard Circular Connector CAP

Learn More

Datasheet

55In Stock

$15.54

$13.77

$13.23

$12.70

View

Min.: 1
Mult.: 1

Accessories

Standard Circular Connector RM 21Shell 15 Contacts

RM21TR-15S(81)
Hirose Connector
1: $52.14
14In Stock

Mfr. Part No.
RM21TR-15S(81)

Mouser Part No
798-RM21TR-15S(81)

Hirose Connector

Standard Circular Connector RM 21Shell 15 Contacts

Learn More

Datasheet

14In Stock

$52.14

$45.22

$41.53

$39.56

$38.73

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

Standard Circular Contacts Contact M 1 POS Crim ST 1Terminal 1Port

RM-PC-112
Hirose Connector
1: $0.82
1,038In Stock

Mfr. Part No.
RM-PC-112

Mouser Part No
798-RM-PC-112

Hirose Connector

Standard Circular Contacts Contact M 1 POS Crim ST 1Terminal 1Port

Learn More

Datasheet

1,038In Stock

$0.82

$0.705

$0.645

$0.581

View

Min.: 1
Mult.: 1

Contacts

Pin (Male)

Crimp

Standard Circular Contacts Contact F 1 POS Crim ST 1Terminal 1Port

RM-SC-112
Hirose Connector
1: $0.876
1,420In Stock

Mfr. Part No.
RM-SC-112

Mouser Part No
798-RM-SC-112

Hirose Connector

Standard Circular Contacts Contact F 1 POS Crim ST 1Terminal 1Port

Datasheet

1,420In Stock

$0.876

$0.821

$0.733

$0.698

View

Min.: 1
Mult.: 1

Contacts

Socket (Female)

Crimp

5 A

Standard Circular Connector ROUND MINI CBL BUSHING BAYONET LK

RM12BPG-B(71)
Hirose Connector
1: $1.63
265In Stock

Mfr. Part No.
RM12BPG-B(71)

Mouser Part No
798-RM12BPG-B(71)

Hirose Connector

Standard Circular Connector ROUND MINI CBL BUSHING BAYONET LK

Learn More

Datasheet

265In Stock

$1.63

$1.38

$1.23

$1.17

View

Min.: 1
Mult.: 1

Accessories

Standard Circular Connector ROUND MINI CAP BAYONET LK

RM12BR-C(71)
Hirose Connector
1: $14.90
77In Stock

Mfr. Part No.
RM12BR-C(71)

Mouser Part No
798-RM12BR-C(71)

Hirose Connector

Standard Circular Connector ROUND MINI CAP BAYONET LK

Learn More

Datasheet

77In Stock

$14.90

$12.07

$11.48

$10.76

View

Min.: 1
Mult.: 1

Accessories

Standard Circular Connector

RM12BRB-6PH(81)
Hirose Connector
1: $13.14
21In Stock
New Product

Mfr. Part No.
RM12BRB-6PH(81)

Mouser Part No
798-RM12BRB-6PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

21In Stock

$13.14

$11.83

$9.59

$9.31

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector 6 POS RECPTL

RM12BRB-6S(81)
Hirose Connector
1: $33.96
16In Stock

Mfr. Part No.
RM12BRB-6S(81)

Mouser Part No
798-RM12BRB-6S(81)

Hirose Connector

Standard Circular Connector 6 POS RECPTL

Learn More

Datasheet

16In Stock

$33.96

$27.49

$26.17

$25.44

View

Min.: 1
Mult.: 1

Receptacles

Socket (Female)

Solder

5 A

Standard Circular Connector

RM12BRD-5PH(81)
Hirose Connector
1: $12.04
6In Stock
60Expected 11/6/2026
New Product

Mfr. Part No.
RM12BRD-5PH(81)

Mouser Part No
798-RM12BRD-5PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

6In Stock

60Expected 11/6/2026

$12.04

$9.74

$9.26

$9.01

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TRH-4SA(81)
Hirose Connector
1: $21.03
80In Stock
220On Order

Mfr. Part No.
RM15TRH-4SA(81)

Mouser Part No
798-RM15TRH-4SA81

Hirose Connector

Standard Circular Connector

Learn More

Datasheet

80In Stock

220On Order

$21.03

$17.03

$17.01

$15.18

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

10 A

RM Miniature Circular Connectors

Types of Standard Circular Connectors

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