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 ROUND MINI CAP BAYONET LK

RM12BR-C(71)
Hirose Connector
1: $12.01
77In Stock

Mfr. Part #
RM12BR-C(71)

Mouser Part #
798-RM12BR-C(71)

Hirose Connector

Standard Circular Connector ROUND MINI CAP BAYONET LK

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Datasheet

77In Stock

$12.01

$9.72

$9.25

$8.67

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Min.: 1
Mult.: 1

Accessories

Standard Circular Connector

RM12BRB-6PH(81)
Hirose Connector
1: $10.04
20In Stock

Mfr. Part #
RM12BRB-6PH(81)

Mouser Part #
798-RM12BRB-6PH81

Hirose Connector

Standard Circular Connector

Datasheet

20In Stock

$10.04

$8.13

$7.73

$7.51

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Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector 4 POS CIRCULAR CONNECTOR

RM15QRD-4SA(81)
Hirose Connector
1: $15.85
44In Stock

Mfr. Part #
RM15QRD-4SA(81)

Mouser Part #
798-RM15QRD4SA81

Hirose Connector

Standard Circular Connector 4 POS CIRCULAR CONNECTOR

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Datasheet

44In Stock

$15.85

$12.83

$12.82

$11.87

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Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

Standard Circular Connector

RM15TJD-10S(81)
Hirose Connector
1: $38.42
4In Stock

Mfr. Part #
RM15TJD-10S(81)

Mouser Part #
798-RM15TJD-10S81

Hirose Connector

Standard Circular Connector

Datasheet

4In Stock

$38.42

$30.08

$29.75

$29.00

View

Min.: 1
Mult.: 1

Standard Circular Connector CAP

RM15TR-C(31)
Hirose Connector
1: $12.69
7In Stock
40Expected 1/19/2027

Mfr. Part #
RM15TR-C(31)

Mouser Part #
798-RM15TR-C31

Hirose Connector

Standard Circular Connector CAP

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Datasheet

7In Stock

40Expected 1/19/2027

$12.69

$10.06

$9.57

$9.30

View

Min.: 1
Mult.: 1

Accessories

Standard Circular Connector

RM21TP-15S(81)
Hirose Connector
1: $55.62
8In Stock

Mfr. Part #
RM21TP-15S(81)

Mouser Part #
798-RM21TP-15S81

Hirose Connector

Standard Circular Connector

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Datasheet

8In Stock

$55.62

$47.27

$43.75

$42.20

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Solder

Standard Circular Connector

RM21TP-20S(81)
Hirose Connector
1: $60.85
3In Stock

Mfr. Part #
RM21TP-20S(81)

Mouser Part #
798-RM21TP-20S81

Hirose Connector

Standard Circular Connector

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Datasheet

3In Stock

$60.85

$51.72

$47.86

$46.17

$43.97

Min.: 1
Mult.: 1

Connectors

Socket (Female)

5 A

Standard Circular Connector

RM21TR-20S(81)
Hirose Connector
1: $44.14
25In Stock

Mfr. Part #
RM21TR-20S(81)

Mouser Part #
798-RM21TR-20S81

Hirose Connector

Standard Circular Connector

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Datasheet

25In Stock

$44.14

$43.45

$41.31

$33.49

$32.20

Min.: 1
Mult.: 1

Connectors

Socket (Female)

5 A

Standard Circular Connector

RM15TPD-10P(81)
Hirose Connector
1: $49.48
60Expected 9/3/2026

Mfr. Part #
RM15TPD-10P(81)

Mouser Part #
798-RM15TPD-10P81

Hirose Connector

Standard Circular Connector

Datasheet

60Expected 9/3/2026

$49.48

$42.05

$38.92

$37.72

Min.: 1
Mult.: 1

Standard Circular Connector 6 POS RECPTL

RM12BRB-6S(81)
Hirose Connector
1: $27.29
80On Order

Mfr. Part #
RM12BRB-6S(81)

Mouser Part #
798-RM12BRB-6S(81)

Hirose Connector

Standard Circular Connector 6 POS RECPTL

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Datasheet

80On Order

$27.29

$24.65

$21.21

$20.61

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Min.: 1
Mult.: 1

Receptacles

Socket (Female)

Solder

5 A

Standard Circular Connector

RM12BRD-4S(81)
Hirose Connector
1: $10.32
818Expected 1/14/2027
New At Mouser

Mfr. Part #
RM12BRD-4S(81)

Mouser Part #
798-RM12BRD-4S81

New At Mouser

Hirose Connector

Standard Circular Connector

Datasheet

818Expected 1/14/2027

$10.32

$8.35

$7.94

$7.72

$7.69

Min.: 1
Mult.: 1

Solder Cup

Standard Circular Connector

RM15TRH-8PH(81)
Hirose Connector
1: $15.85
320Expected 12/8/2026

Mfr. Part #
RM15TRH-8PH(81)

Mouser Part #
798-RM15TRH-8PH81

Hirose Connector

Standard Circular Connector

Datasheet

320Expected 12/8/2026

$15.85

$12.83

$12.21

$11.87

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TRD-12S(81)
Hirose Connector
1: $16.99
109Expected 9/3/2026

Mfr. Part #
RM15TRD-12S(81)

Mouser Part #
798-RM15TRD-12S81

Hirose Connector

Standard Circular Connector

109Expected 9/3/2026

$16.99

$13.46

$13.40

$13.31

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM12BRB-7S(81)
Hirose Connector
1: $11.75
53Expected 1/19/2027

Mfr. Part #
RM12BRB-7S(81)

Mouser Part #
798-RM12BRB-7S81

Hirose Connector

Standard Circular Connector

Datasheet

53Expected 1/19/2027

$11.75

$9.22

$9.21

$9.16

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-5PH(81)
Hirose Connector
1: $10.71
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RM12BRB-5PH(81)

Mouser Part #
798-RM12BRB-5PH81

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$10.71

$8.13

$8.12

$8.08

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM12BRB-7PH(81)
Hirose Connector
1: $10.71
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RM12BRB-7PH(81)

Mouser Part #
798-RM12BRB-7PH81

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$10.71

$8.13

$8.12

$8.08

View

Min.: 1
Mult.: 1

Receptacles

Standard Circular Connector

RM15QPS-10PH(81)
Hirose Connector
1: $37.03
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
RM15QPS-10PH(81)

Mouser Part #
798-RM15QPS-10PH81

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 10 Weeks

$37.03

$29.08

$28.71

$27.99

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15QRD-10S(81)
Hirose Connector
1: $20.71
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
RM15QRD-10S(81)

Mouser Part #
798-RM15QRD-10S81

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 10 Weeks

$20.71

$15.96

$15.95

$15.27

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15TP-10S(81)
Hirose Connector
1: $41.08
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RM15TP-10S(81)

Mouser Part #
798-RM15TP-10S81

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$41.08

$32.78

$32.38

$31.76

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-4P(81)
Hirose Connector
1: $28.82
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RM15WTPZ-4P(81)

Mouser Part #
798-RM15WTPZ-4P81

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 12 Weeks

$28.82

$27.42

$26.83

$25.27

View

Min.: 1
Mult.: 1

Standard Circular Connector

RM15WTPZ-4P(82)
Hirose Connector
1: $34.64
Non-Stocked Lead-Time 9 Weeks

Mfr. Part #
RM15WTPZ-4P(82)

Mouser Part #
798-RM15WTPZ-4P82

Hirose Connector

Standard Circular Connector

Datasheet

Non-Stocked Lead-Time 9 Weeks

$34.64

$29.44

$26.80

$26.79

View

Min.: 1
Mult.: 1

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

RM-PC-122
Hirose Connector
1: $0.57
Non-Stocked

Mfr. Part #
RM-PC-122

Mouser Part #
798-RM-PC-122

Hirose Connector

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

Datasheet

Non-Stocked

$0.57

$0.485

$0.433

$0.411

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: $0.224
Non-Stocked

Mfr. Part #
RM-PC-212

Mouser Part #
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

$0.224

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: $0.224
Non-Stocked

Mfr. Part #
RM-PC-222

Mouser Part #
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

$0.224

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: $0.66
N/A

Mfr. Part #
RM-SC-122

Mouser Part #
798-RM-SC-122

Hirose Connector

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

Datasheet

N/A

$0.66

$0.564

$0.509

$0.473

View

Min.: 1
Mult.: 1

Contacts

Socket (Female)

RM Miniature Circular Connectors

Types of Standard Circular Connectors

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