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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Contact Gender	Termination Style	Current Rating
Standard Circular Contacts Contact M 1 POS Crim ST 1Terminal 1Port RM-PC-112 Hirose Connector 1: 0,49 € 781In 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 about Hirose Connector hirose rm connectors	Datasheet	781In Stock	0,49 € 0,417 € 0,372 € 0,353 € View 0,316 € 0,30 € 0,28 € 0,267 € 0,262 €	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: 0,49 € 1 295In 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 295In Stock	0,49 € 0,417 € 0,372 € 0,353 € View 0,307 € 0,281 € 0,279 € 0,274 €	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: 2,30 € 164In 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 about Hirose Connector hirose rm connectors	Datasheet	164In Stock	2,30 € 1,95 € 1,75 € 1,65 € View 1,53 € 1,32 € 1,31 €	Min.: 1 Mult.: 1	Accessories
Standard Circular Connector RM12BRD-2PH(81) Hirose Connector 1: 8,05 € 10In Stock 60Expected 16/02/2027	Mfr. Part No. RM12BRD-2PH(81) Mouser Part No 798-RM12BRD-2PH81	Hirose Connector	Standard Circular Connector	Datasheet	10In Stock 60Expected 16/02/2027	8,05 € 6,52 € 6,20 € 6,02 € View 5,81 € 5,43 € 5,25 €	Min.: 1 Mult.: 1
Standard Circular Connector 4 POS CIRCULAR CONNECTOR RM15QRD-4SA(81) Hirose Connector 1: 13,63 € 44In Stock	Mfr. Part No. RM15QRD-4SA(81) Mouser Part No 798-RM15QRD4SA81	Hirose Connector	Standard Circular Connector 4 POS CIRCULAR CONNECTOR Learn More about Hirose Connector hirose rm connectors	Datasheet	44In Stock	13,63 € 11,03 € 10,21 € 9,85 € 9,34 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder
Standard Circular Connector RM21TP-15S(81) Hirose Connector 1: 47,83 € 8In Stock	Mfr. Part No. RM21TP-15S(81) Mouser Part No 798-RM21TP-15S81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	8In Stock	47,83 € 40,65 € 37,63 € 37,20 € 36,86 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder
Standard Circular Connector RM21TR-20S(81) Hirose Connector 1: 42,55 € 25In Stock	Mfr. Part No. RM21TR-20S(81) Mouser Part No 798-RM21TR-20S81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	25In Stock	42,55 € 37,38 € 35,54 € 32,44 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)		5 A
Standard Circular Connector CAP RM21TR-C(31) Hirose Connector 1: 9,27 € 6In Stock	Mfr. Part No. RM21TR-C(31) Mouser Part No 798-RM21TR-C31	Hirose Connector	Standard Circular Connector CAP Learn More about Hirose Connector hirose rm connectors	Datasheet	6In Stock	9,27 € 7,17 € 6,82 € 6,62 € View 6,39 € 5,98 € 5,70 €	Min.: 1 Mult.: 1	Accessories
Standard Circular Connector RM12BRD-4S(81) Hirose Connector 1: 10,40 € 2 738On Order	Mfr. Part No. RM12BRD-4S(81) Mouser Part No 798-RM12BRD-4S81	Hirose Connector	Standard Circular Connector	Datasheet	2 738On Order On Order Ship Dates Mfr. No: RM12BRD-4S(81) Stock: 0 On Order: 818 Expected 13/11/2026 1 920 Expected 12/01/2027 Factory Lead Time: 15 Weeks	10,40 € 8,18 € 7,94 € 7,66 € View 7,34 € 6,84 € 6,61 €	Min.: 1 Mult.: 1			Solder Cup
Standard Circular Connector RM15TRH-4SA(81) Hirose Connector 1: 14,57 € 160Expected 15/12/2026	Mfr. Part No. RM15TRH-4SA(81) Mouser Part No 798-RM15TRH-4SA81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	160Expected 15/12/2026	14,57 € 11,79 € 11,22 € 10,90 € View 10,52 € 10,04 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder	10 A
Standard Circular Connector RM12BRB-6PH(81) Hirose Connector 1: 8,63 € 60Expected 13/11/2026	Mfr. Part No. RM12BRB-6PH(81) Mouser Part No 798-RM12BRB-6PH81	Hirose Connector	Standard Circular Connector	Datasheet	60Expected 13/11/2026	8,63 € 6,99 € 6,65 € 6,46 € View 6,24 € 5,82 € 5,67 €	Min.: 1 Mult.: 1	Receptacles
Standard Circular Connector RM12BRB-7S(81) Hirose Connector 1: 9,79 € 53Expected 30/10/2026	Mfr. Part No. RM12BRB-7S(81) Mouser Part No 798-RM12BRB-7S81	Hirose Connector	Standard Circular Connector	Datasheet	53Expected 30/10/2026	9,79 € 7,91 € 7,54 € 7,33 € View 7,07 € 6,73 € 6,50 €	Min.: 1 Mult.: 1	Receptacles
Standard Circular Connector RM12BRD-4PH(81) Hirose Connector 1: 8,20 € 120On Order	Mfr. Part No. RM12BRD-4PH(81) Mouser Part No 798-RM12BRD-4PH81	Hirose Connector	Standard Circular Connector	Datasheet	120On Order On Order Ship Dates Mfr. No: RM12BRD-4PH(81) Stock: 0 On Order: 60 Expected 30/10/2026 60 Expected 13/11/2026 Factory Lead Time: 7 Weeks	8,20 € 6,64 € 6,32 € 6,14 € View 5,92 € 5,54 € 5,36 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15TRD-12S(81) Hirose Connector 1: 14,61 € Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. RM15TRD-12S(81) Mouser Part No 798-RM15TRD-12S81	Hirose Connector	Standard Circular Connector		Non-Stocked Lead-Time 10 Weeks	14,61 € 11,54 € 11,03 € 10,94 € View 10,22 € 9,86 € 9,85 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15WTPZ-10S(81) Hirose Connector 1: 25,16 € 1Expected 03/12/2026	Mfr. Part No. RM15WTPZ-10S(81) Mouser Part No 798-RM15WTPZ-10S81	Hirose Connector	Standard Circular Connector	Datasheet	1Expected 03/12/2026	25,16 € 23,91 € 23,17 € 21,22 € View 20,83 € 20,38 € 20,23 € Quote	Min.: 1 Mult.: 1
Standard Circular Connector RM12BRB-5S(81) Hirose Connector 1: 9,71 € 44Expected 03/12/2026	Mfr. Part No. RM12BRB-5S(81) Mouser Part No 798-RM12BRB-5S81	Hirose Connector	Standard Circular Connector	Datasheet	44Expected 03/12/2026	9,71 € 7,34 € 7,29 € 7,22 € View 7,02 € 6,57 € 6,42 € 6,09 € Quote	Min.: 1 Mult.: 1	Receptacles
Standard Circular Connector RM21TP-20S(81) Hirose Connector 1: 52,33 € 10Expected 03/12/2026	Mfr. Part No. RM21TP-20S(81) Mouser Part No 798-RM21TP-20S81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	10Expected 03/12/2026	52,33 € 44,48 € 41,16 € 40,89 € 40,67 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)		5 A
Standard Circular Connector RM12BRB-5PH(81) Hirose Connector 1: 9,21 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RM12BRB-5PH(81) Mouser Part No 798-RM12BRB-5PH81	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 12 Weeks	9,21 € 6,99 € 6,93 € 6,86 € View 6,67 € 6,24 € 6,09 € 5,79 € Quote	Min.: 1 Mult.: 1	Receptacles
Standard Circular Connector RM12BRB-7PH(81) Hirose Connector 1: 9,21 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RM12BRB-7PH(81) Mouser Part No 798-RM12BRB-7PH81	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 12 Weeks	9,21 € 6,99 € 6,93 € 6,86 € View 6,67 € 6,24 € 6,09 € 5,79 € Quote	Min.: 1 Mult.: 1	Receptacles
Standard Circular Connector RM15QPS-10PH(81) Hirose Connector 1: 29,16 € Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. RM15QPS-10PH(81) Mouser Part No 798-RM15QPS-10PH81	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 10 Weeks	29,16 € 25,25 € 23,99 € 23,01 € 22,86 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15QRD-10S(81) Hirose Connector 1: 18,09 € Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. RM15QRD-10S(81) Mouser Part No 798-RM15QRD-10S81	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 10 Weeks	18,09 € 14,75 € 14,10 € 13,71 € View 12,76 € 12,28 € 12,14 € 11,95 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15QRD-2PA(81) Hirose Connector 1: 13,05 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RM15QRD-2PA(81) Mouser Part No 798-RM15QRD-2PA81	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 12 Weeks	13,05 € 10,21 € 9,84 € 9,61 € View 9,04 € 8,69 € 8,40 € 8,39 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15TP-10S(81) Hirose Connector 1: 32,10 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RM15TP-10S(81) Mouser Part No 798-RM15TP-10S81	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 12 Weeks	32,10 € 28,19 € 27,35 € 26,71 € View 26,27 € 26,05 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15WTPZ-4P(81) Hirose Connector 1: 23,05 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RM15WTPZ-4P(81) Mouser Part No 798-RM15WTPZ-4P81	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 12 Weeks	23,05 € 21,95 € 21,26 € 19,75 € View 19,31 € 18,89 € 18,75 € Quote	Min.: 1 Mult.: 1
Standard Circular Connector RM15WTPZ-4P(82) Hirose Connector 1: 29,79 € Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. RM15WTPZ-4P(82) Mouser Part No 798-RM15WTPZ-4P82	Hirose Connector	Standard Circular Connector	Datasheet	Non-Stocked Lead-Time 9 Weeks	29,79 € 24,05 € 23,13 € 22,61 € View 22,48 € 22,13 € 21,96 € Quote	Min.: 1 Mult.: 1