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

RM21TP-15S(81)
Hirose Connector
1: $69.03
9In Stock

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

Mouser Part No
798-RM21TP-15S81

Hirose Connector

Standard Circular Connector

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Datasheet

9In Stock

$69.03

$58.66

$54.28

$52.36

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Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

Standard Circular Connector

RM21TP-20S(81)
Hirose Connector
1: $75.66
4In Stock

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

Mouser Part No
798-RM21TP-20S81

Hirose Connector

Standard Circular Connector

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Datasheet

4In Stock

$75.66

$64.30

$59.51

$57.41

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Min.: 1
Mult.: 1

Connectors

Socket (Female)

5 A

Standard Circular Connector

RM21TR-20S(81)
Hirose Connector
1: $61.13
37In Stock

Mfr. Part No.
RM21TR-20S(81)

Mouser Part No
798-RM21TR-20S81

Hirose Connector

Standard Circular Connector

Learn More

Datasheet

37In Stock

$61.13

$53.21

$50.69

$46.47

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Min.: 1
Mult.: 1

Connectors

Socket (Female)

5 A

Standard Circular Connector

RM12BPE-3PH81
Hirose Connector
1: $25.21
41In Stock
Factory Special Order

Mfr. Part No.
RM12BPE-3PH81

Mouser Part No
798-RM12BPE-3PH81

Factory Special Order

Hirose Connector

Standard Circular Connector

Datasheet

41In Stock

$25.21

$20.42

$19.43

$18.88

View

Min.: 1
Mult.: 1

Plugs

Pin (Male)

Solder

5 A

Standard Circular Connector Bulk Head 6position

RM12BRD-6S(81)
Hirose Connector
1: $36.74
1,880On Order

Mfr. Part No.
RM12BRD-6S(81)

Mouser Part No
798-RM12BRD-6S(81)

Hirose Connector

Standard Circular Connector Bulk Head 6position

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Datasheet

1,880On Order

$36.74

$30.77

$28.86

$27.97

$27.41

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

5 A

Standard Circular Connector

RM12BRD-4S(81)
Hirose Connector
1: $14.34
420Expected 12/6/2026
New Product

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

Mouser Part No
798-RM12BRD-4S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

420Expected 12/6/2026

$14.34

$11.61

$11.59

$10.73

View

Min.: 1
Mult.: 1

Solder Cup

Standard Circular Connector

RM15TRH-8PH(81)
Hirose Connector
1: $19.67
220Expected 25/8/2026
New Product

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

Mouser Part No
798-RM15TRH-8PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

220Expected 25/8/2026

$19.67

$15.92

$15.15

$14.72

View

Min.: 1
Mult.: 1

Standard Circular Connector Jack 6position STRGT SILV BAYONET

RM12BJB-6S(81)
Hirose Connector
1: $28.06
160Expected 11/6/2026

Mfr. Part No.
RM12BJB-6S(81)

Mouser Part No
798-RM12BJB-6S(81)

Hirose Connector

Standard Circular Connector Jack 6position STRGT SILV BAYONET

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Datasheet

160Expected 11/6/2026

$28.06

$22.71

$21.61

$21.00

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Min.: 1
Mult.: 1

Receptacles

Socket (Female)

Solder

5 A

Standard Circular Connector

RM12BRB-7S(81)
Hirose Connector
1: $14.00
60Expected 10/6/2026
New Product

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

Mouser Part No
798-RM12BRB-7S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

60Expected 10/6/2026

$14.00

$11.23

$11.22

$11.12

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM15QPS-12PH(81)
Hirose Connector
1: $42.87
60Expected 18/6/2026
New Product

Mfr. Part No.
RM15QPS-12PH(81)

Mouser Part No
798-RM15QPS-12PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

60Expected 18/6/2026

$42.87

$35.32

$34.35

$33.79

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-2S(81)
Hirose Connector
1: $35.54
16Expected 10/6/2026
New Product

Mfr. Part No.
RM15WTPZ-2S(81)

Mouser Part No
798-RM15WTPZ-2S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

16Expected 10/6/2026

$35.54

$34.06

$33.29

$30.19

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-8P(81)
Hirose Connector
1: $38.00
17Expected 29/6/2026
New Product

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

Mouser Part No
798-RM15WTPZ-8P81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

17Expected 29/6/2026

$38.00

$32.30

$29.68

$28.26

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-8P(82)
Hirose Connector
1: $40.46
14Expected 10/6/2026
New Product

Mfr. Part No.
RM15WTPZ-8P(82)

Mouser Part No
798-RM15WTPZ-8P82

New Product

Hirose Connector

Standard Circular Connector

Datasheet

14Expected 10/6/2026

$40.46

$38.74

$38.04

$34.61

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TPD-10P(81)
Hirose Connector
1: $59.35
33Expected 30/7/2026
New Product

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

Mouser Part No
798-RM15TPD-10P81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

33Expected 30/7/2026

$59.35

$52.15

$48.26

$46.27

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRB-5PH(81)
Hirose Connector
1: $13.14
Non-Stocked Lead-Time 12 Weeks
New Product

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

Mouser Part No
798-RM12BRB-5PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$13.14

$9.88

$9.87

$9.79

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-7PH(81)
Hirose Connector
1: $13.14
Non-Stocked Lead-Time 12 Weeks
New Product

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

Mouser Part No
798-RM12BRB-7PH81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$13.14

$9.88

$9.87

$9.79

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM15QPS-10PH(81)
Hirose Connector
1: $41.99
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

$41.99

$35.32

$34.33

$33.79

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15QRD-10S(81)
Hirose Connector
1: $24.96
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

$24.96

$19.39

$19.38

$18.72

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TP-10S(81)
Hirose Connector
1: $48.16
Non-Stocked Lead-Time 12 Weeks
New Product

Mfr. Part No.
RM15TP-10S(81)

Mouser Part No
798-RM15TP-10S81

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$48.16

$40.02

$39.09

$38.13

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-10P(81)
Hirose Connector
1: $36.13
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

$36.13

$31.66

$29.69

$28.11

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-4P(82)
Hirose Connector
40: $31.75
Non-Stocked Lead-Time 12 Weeks
New Product

Mfr. Part No.
RM15WTPZ-4P(82)

Mouser Part No
798-RM15WTPZ-4P82

New Product

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$31.75

Min.: 40
Mult.: 40

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

RM-PC-122
Hirose Connector
1: $0.723
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

$0.723

$0.612

$0.546

$0.474

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: $0.282
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

$0.282

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

: 8,000

Standard Circular Connector ROUND MINI CRIMP TYP ML CONT STRIP CONT

RM-PC-222
Hirose Connector
8,000: $0.282
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

Learn More

Datasheet

Non-Stocked

Reel

$0.282

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

: 8,000

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

RM-SC-122
Hirose Connector
1: $0.876
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

$0.876

$0.749

$0.677

$0.627

View

Min.: 1
Mult.: 1

Contacts

Socket (Female)

RM Miniature Circular Connectors

Types of Standard Circular Connectors

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