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 6 POS RECPTL

RM12BRB-6S(81)
Hirose Connector
1: €18.89
18In Stock

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

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

Hirose Connector

Standard Circular Connector 6 POS RECPTL

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Datasheet

18In Stock

€18.89

€15.30

€14.56

€14.15

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Min.: 1
Mult.: 1

Receptacles

Socket (Female)

Solder

5 A

Standard Circular Connector CAP

RM15TR-C(31)
Hirose Connector
1: €8.39
176In Stock

Mfr. Part No.
RM15TR-C(31)

Mouser Part No
798-RM15TR-C31

Hirose Connector

Standard Circular Connector CAP

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Datasheet

176In Stock

€8.39

€6.79

€5.67

€5.41

€5.15

Min.: 1
Mult.: 1

Accessories

Standard Circular Connector

RM21TP-15S(81)
Hirose Connector
1: €38.39
15In Stock

Mfr. Part No.
RM21TP-15S(81)

Mouser Part No
798-RM21TP-15S81

Hirose Connector

Standard Circular Connector

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Datasheet

15In Stock

€38.39

€33.91

€30.19

€29.12

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Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

Standard Circular Connector

RM21TP-20S(81)
Hirose Connector
1: €42.01
6In Stock

Mfr. Part No.
RM21TP-20S(81)

Mouser Part No
798-RM21TP-20S81

Hirose Connector

Standard Circular Connector

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Datasheet

6In Stock

€42.01

€35.55

€32.97

€31.87

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Min.: 1
Mult.: 1

Connectors

Socket (Female)

5 A

Standard Circular Connector

RM12BPE-3PH81
Hirose Connector
1: €14.61
189In Stock
Factory Special Order

Mfr. Part No.
RM12BPE-3PH81

Mouser Part No
798-RM12BPE-3PH81

Factory Special Order

Hirose Connector

Standard Circular Connector

Datasheet

189In Stock

€14.61

€12.67

€12.00

€11.83

View

Min.: 1
Mult.: 1

Plugs

Pin (Male)

Solder

5 A

Standard Circular Connector

RM15TPD-10S(81)
Hirose Connector
1: €31.76
87On Order
New Product

Mfr. Part No.
RM15TPD-10S(81)

Mouser Part No
798-RM15TPD-10S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

87On Order

€31.76

€27.30

€26.19

€23.84

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BJB-4S(81)
Hirose Connector
1: €12.61
40Expected 18/02/2026
New At Mouser

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

Mouser Part No
798-RM12BJB-4S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

40Expected 18/02/2026

€12.61

€10.03

€10.02

€9.71

View

Min.: 1
Mult.: 1

Receptacles

Socket (Female)

Solder Cup

5 A

Standard Circular Connector

RM12BRB-7S(81)
Hirose Connector
1: €8.49
8Expected 23/02/2026
New Product

Mfr. Part No.
RM12BRB-7S(81)

Mouser Part No
798-RM12BRB-7S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

8Expected 23/02/2026

€8.49

€7.22

€6.87

€6.77

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRD-2S(81)
Hirose Connector
1: €8.21
40Expected 18/02/2026
New Product

Mfr. Part No.
RM12BRD-2S(81)

Mouser Part No
798-RM12BRD-2S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

40Expected 18/02/2026

€8.21

€6.98

€6.65

€6.54

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-12S(81)
Hirose Connector
1: €22.40
30On Order
New Product

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

Mouser Part No
798-RM15WTPZ-12S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

30On Order

€22.40

€19.04

€18.56

€16.99

€16.34

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRD-7PH(81)
Hirose Connector
1: €7.28
60Expected 18/02/2026
New Product

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

Mouser Part No
798-RM12BRD-7PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

60Expected 18/02/2026

€7.28

€6.10

€5.81

€5.73

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM15QPS-10PH(81)
Hirose Connector
1: €24.37
Non-Stocked Lead-Time 10 Weeks
New Product

Mfr. Part No.
RM15QPS-10PH(81)

Mouser Part No
798-RM15QPS-10PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 10 Weeks

€24.37

€21.50

€19.39

€19.03

€18.31

Min.: 1
Mult.: 1

Standard Circular Connector

RM15QRD-10S(81)
Hirose Connector
1: €13.62
Non-Stocked Lead-Time 10 Weeks
New Product

Mfr. Part No.
RM15QRD-10S(81)

Mouser Part No
798-RM15QRD-10S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 10 Weeks

€13.62

€12.04

€11.44

€11.21

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-10P(81)
Hirose Connector
1: €25.27
Non-Stocked Lead-Time 4 Weeks
New Product

Mfr. Part No.
RM15WTPZ-10P(81)

Mouser Part No
798-RM15WTPZ-10P81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 4 Weeks

€25.27

€21.48

€17.67

€17.62

Quote

Min.: 1
Mult.: 1

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

RM-PC-122
Hirose Connector
1: €0.396
Non-Stocked

Mfr. Part No.
RM-PC-122

Mouser Part No
798-RM-PC-122

Hirose Connector

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

Datasheet

Non-Stocked

€0.396

€0.333

€0.298

€0.26

View

Min.: 1
Mult.: 1

Contacts

Pin (Male)

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT LOOSE PC

RM-PC-212
Hirose Connector
8,000: €0.158
Non-Stocked

Mfr. Part No.
RM-PC-212

Mouser Part No
798-RM-PC-212

Hirose Connector

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT LOOSE PC

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Datasheet

Non-Stocked

Reel

€0.158

€0.151

Min.: 8,000
Mult.: 8,000

Reel: 8,000

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT STRIP CONT

RM-PC-222
Hirose Connector
8,000: €0.158
Non-Stocked

Mfr. Part No.
RM-PC-222

Mouser Part No
798-RM-PC-222

Hirose Connector

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT STRIP CONT

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Datasheet

Non-Stocked

Reel

€0.158

€0.151

Min.: 8,000
Mult.: 8,000

Reel: 8,000

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

RM-SC-122
Hirose Connector
1: €0.507
N/A

Mfr. Part No.
RM-SC-122

Mouser Part No
798-RM-SC-122

Hirose Connector

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

Datasheet

N/A

€0.507

€0.432

€0.39

€0.36

View

Min.: 1
Mult.: 1

Contacts

Socket (Female)

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT STRIP CONT

RM-SC-212
Hirose Connector
8,000: €0.158
Non-Stocked

Mfr. Part No.
RM-SC-212

Mouser Part No
798-RM-SC-212

Hirose Connector

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT STRIP CONT

Learn More

Datasheet

Non-Stocked

Reel

€0.158

€0.151

Min.: 8,000
Mult.: 8,000

Reel: 8,000

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT STRIP CONT

RM-SC-222
Hirose Connector
8,000: €0.237
Non-Stocked

Mfr. Part No.
RM-SC-222

Mouser Part No
798-RM-SC-222

Hirose Connector

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT STRIP CONT

Learn More

Datasheet

Non-Stocked

Reel

€0.237

Min.: 8,000
Mult.: 8,000

Reel: 8,000

Standard Circular Connector ROUND MINI SQUARE MNT FLANGE

RM12BR-F(71)
Hirose Connector
160: €1.64
Non-Stocked

Mfr. Part No.
RM12BR-F(71)

Mouser Part No
798-RM12BR-F(71)

Hirose Connector

Standard Circular Connector ROUND MINI SQUARE MNT FLANGE

Learn More

Datasheet

Non-Stocked

€1.64

€1.62

Min.: 160
Mult.: 10

Accessories

Standard Circular Connector

RM12BRB-5PH(81)
Hirose Connector
1: €7.40
Non-Stocked
New Product

Mfr. Part No.
RM12BRB-5PH(81)

Mouser Part No
798-RM12BRB-5PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked

€7.40

€6.29

€5.98

€5.89

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-5S(81)
Hirose Connector
1: €7.79
Non-Stocked
New Product

Mfr. Part No.
RM12BRB-5S(81)

Mouser Part No
798-RM12BRB-5S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked

€7.79

€6.62

€6.30

€6.21

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-7PH(81)
Hirose Connector
1: €7.40
Non-Stocked
New Product

Mfr. Part No.
RM12BRB-7PH(81)

Mouser Part No
798-RM12BRB-7PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked

€7.40

€6.29

€5.98

€5.89

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-7SG(81)
Hirose Connector
1: €16.02
Non-Stocked
New Product

Mfr. Part No.
RM12BRB-7SG(81)

Mouser Part No
798-RM12BRB-7SG81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked

€16.02

€14.06

€13.45

€13.34

View

Min.: 1
Mult.: 1

RM Miniature Circular Connectors

Types of Standard Circular Connectors

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