Standard Circular Connectors

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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

RM15WTPZ-12S(81)
Hirose Connector
1: S/118.02
87In Stock
New At Mouser

Mfr. Part #
RM15WTPZ-12S(81)

Mouser Part #
798-RM15WTPZ-12S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

87In Stock

S/118.02

S/112.10

S/93.07

S/91.05

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BPE-6S(81)
Hirose Connector
1: S/166.72
427In Stock

Mfr. Part #
RM12BPE-6S(81)

Mouser Part #
798-RM12BPE-6S81

Hirose Connector

Standard Circular Connector

Learn More

Datasheet

427In Stock

S/166.72

S/136.59

S/121.10

S/117.83

View

Min.: 1
Mult.: 1

Plugs

Socket (Female)

Solder

5 A

Standard Circular Connector

RM15QPS-4SA(81)
Hirose Connector
1: S/95.72
376In Stock

Mfr. Part #
RM15QPS-4SA(81)

Mouser Part #
798-RM15QPS-4SA81

Hirose Connector

Standard Circular Connector

Learn More

Datasheet

376In Stock

S/95.72

S/78.36

S/70.42

S/69.87

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

Standard Circular Connector REC 10POS FOR PCB

RM15TRD-10SB(71)
Hirose Connector
1: S/39.24
348In Stock

Mfr. Part #
RM15TRD-10SB(71)

Mouser Part #
798-RM15TRD10SB71

Hirose Connector

Standard Circular Connector REC 10POS FOR PCB

Learn More

Datasheet

348In Stock

S/39.24

S/32.54

S/31.84

S/31.45

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

5 A

Standard Circular Connector

RM15WTPZ-10S(82)
Hirose Connector
1: S/130.90
1In Stock
New At Mouser

Mfr. Part #
RM15WTPZ-10S(82)

Mouser Part #
798-RM15WTPZ-10S82

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

1In Stock

S/130.90

S/122.77

S/119.93

S/108.83

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TPN-10PC(31)
Hirose Connector
1: S/69.36
88In Stock

Mfr. Part #
RM15TPN-10PC(31)

Mouser Part #
798-RM15TPN-10PC31

Hirose Connector

Standard Circular Connector

Learn More

Datasheet

88In Stock

S/69.36

S/58.97

S/55.27

S/49.86

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Crimp

5 A

Standard Circular Connector

RM15WTPZ-2S(82)
Hirose Connector
1: S/124.68
4In Stock
New Product

Mfr. Part #
RM15WTPZ-2S(82)

Mouser Part #
798-RM15WTPZ-2S82

New Product

Hirose Connector

Standard Circular Connector

Datasheet

4In Stock

S/124.68

S/85.05

S/85.01

S/83.77

View

Min.: 1
Mult.: 1

Standard Circular Connector CAP

RM21TR-C(31)
Hirose Connector
1: S/37.06
18In Stock

Mfr. Part #
RM21TR-C(31)

Mouser Part #
798-RM21TR-C31

Hirose Connector

Standard Circular Connector CAP

Learn More

Datasheet

18In Stock

S/37.06

S/33.40

S/27.01

S/26.27

View

Min.: 1
Mult.: 1

Accessories

Standard Circular Connector

RM21TR-20S(81)
Hirose Connector
1: S/148.73
37In Stock

Mfr. Part #
RM21TR-20S(81)

Mouser Part #
798-RM21TR-20S81

Hirose Connector

Standard Circular Connector

Learn More

Datasheet

37In Stock

S/148.73

S/128.84

S/128.10

S/126.58

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

5 A

Standard Circular Connector

RM12BRD-3S(81)
Hirose Connector
1: S/41.61
421In Stock
400Expected 8/13/2026
New At Mouser

Mfr. Part #
RM12BRD-3S(81)

Mouser Part #
798-RM12BRD-3S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

421In Stock

400Expected 8/13/2026

S/41.61

S/37.45

S/35.23

S/34.33

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-5S(81)
Hirose Connector
1: S/42.93
312In Stock
New At Mouser

Mfr. Part #
RM12BRD-5S(81)

Mouser Part #
798-RM12BRD-5S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

312In Stock

S/42.93

S/38.65

S/36.39

S/35.46

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TP-8S(81)
Hirose Connector
1: S/159.86
58In Stock
New At Mouser

Mfr. Part #
RM15TP-8S(81)

Mouser Part #
798-RM15TP-8S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

58In Stock

S/159.86

S/136.82

S/126.62

S/122.15

S/120.67

Min.: 1
Mult.: 1

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

RM15WTPZ-12P(81)
Hirose Connector
1: S/104.32
169In Stock
New At Mouser

Mfr. Part #
RM15WTPZ-12P(81)

Mouser Part #
798-RM15WTPZ-12P81

New At Mouser

Hirose Connector

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

Datasheet

169In Stock

S/104.32

S/90.46

S/83.73

S/80.77

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TRD-10P(81)
Hirose Connector
1: S/66.72
140In Stock

Mfr. Part #
RM15TRD-10P(81)

Mouser Part #
798-RM15TRD-10P81

Hirose Connector

Standard Circular Connector

Datasheet

140In Stock

S/66.72

S/59.24

S/56.13

S/55.31

View

Min.: 1
Mult.: 1

Receptacles

Pin (Male)

Solder Cup

5 A

Standard Circular Connector

RM12BJB-4S(81)
Hirose Connector
1: S/63.49
36In Stock
New At Mouser

Mfr. Part #
RM12BJB-4S(81)

Mouser Part #
798-RM12BJB-4S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

36In Stock

S/63.49

S/55.04

S/52.12

S/49.47

View

Min.: 1
Mult.: 1

Receptacles

Socket (Female)

Solder Cup

5 A

Standard Circular Connector

RM12BRB-4PH(81)
Hirose Connector
1: S/34.25
87In Stock
New Product

Mfr. Part #
RM12BRB-4PH(81)

Mouser Part #
798-RM12BRB-4PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

87In Stock

S/34.25

S/27.71

S/27.68

S/24.72

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-4S(81)
Hirose Connector
1: S/36.59
59In Stock
New At Mouser

Mfr. Part #
RM12BRB-4S(81)

Mouser Part #
798-RM12BRB-4S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

59In Stock

S/36.59

S/29.62

S/29.58

S/26.39

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-7S(81)
Hirose Connector
1: S/39.20
58In Stock
New At Mouser

Mfr. Part #
RM12BRB-7S(81)

Mouser Part #
798-RM12BRB-7S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

58In Stock

S/39.20

S/31.45

S/31.41

S/31.14

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRD-2PH(81)
Hirose Connector
1: S/32.42
218In Stock
New At Mouser

Mfr. Part #
RM12BRD-2PH(81)

Mouser Part #
798-RM12BRD-2PH81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

218In Stock

S/32.42

S/26.27

S/26.24

S/21.88

S/20.94

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-2S(81)
Hirose Connector
1: S/40.87
185In Stock
New At Mouser

Mfr. Part #
RM12BRD-2S(81)

Mouser Part #
798-RM12BRD-2S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

185In Stock

S/40.87

S/34.02

S/32.70

S/31.76

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-3PH(81)
Hirose Connector
1: S/34.72
60In Stock
New At Mouser

Mfr. Part #
RM12BRD-3PH(81)

Mouser Part #
798-RM12BRD-3PH81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

60In Stock

S/34.72

S/31.26

S/29.43

S/28.65

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-4PH(81)
Hirose Connector
1: S/32.54
59In Stock
New At Mouser

Mfr. Part #
RM12BRD-4PH(81)

Mouser Part #
798-RM12BRD-4PH81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

59In Stock

S/32.54

S/26.78

S/25.46

S/24.72

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-5PH(81)
Hirose Connector
1: S/33.71
66In Stock
New At Mouser

Mfr. Part #
RM12BRD-5PH(81)

Mouser Part #
798-RM12BRD-5PH81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

66In Stock

S/33.71

S/27.29

S/25.92

S/25.22

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-6PH(81)
Hirose Connector
1: S/34.25
39In Stock
60Expected 8/20/2026
New At Mouser

Mfr. Part #
RM12BRD-6PH(81)

Mouser Part #
798-RM12BRD-6PH81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

39In Stock

60Expected 8/20/2026

S/34.25

S/27.71

S/26.35

S/24.72

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-7PH(81)
Hirose Connector
1: S/34.72
67In Stock
New At Mouser

Mfr. Part #
RM12BRD-7PH(81)

Mouser Part #
798-RM12BRD-7PH81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

67In Stock

S/34.72

S/31.26

S/29.43

S/28.65

View

Min.: 1
Mult.: 1

Receptacles

RM Miniature Circular Connectors

Types of Standard Circular Connectors

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