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CUI Devices RCJ-051 — Audio Connectors

CUI Devices RCJ-051 RCA Jack, Mono, 2 Conductor, TH

MPNRCJ-051
Active

CUI Devices RCJ phono (RCA) jack, order code RCJ-051, female, 2 conductors, 2 contacts, 3.20mm ID industry recognized mating diameter, through hole, solder termination, nickel-plated contacts, board lock, unshielded.

$1.3200Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesRCJ
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

RCJ-051 key specifications
ParameterValue
SeriesRCJ
MountingThrough Hole
Connector typePhono (RCA) Jack
Operating temperature-20°C ~ 85°C
Body colorSilver, Black
Body materialBrass
Contact materialBrass
Housing materialPolyamide (PA66), Nylon 6/6
Insulation colorBlack
Contact material - platingNickel
GenderFemale
PackageBag

All specifications

RCJ-051 additional specifications
ParameterValue
FeaturesBoard Lock
ShieldingUnshielded
TerminationSolder
Signal linesMono
Actual diameter0.130\" (3.30mm ID), 0.327\" (8.30mm OD)
Internal switchDoes Not Contain Switch
Number of positions (Contacts)2 Conductors, 2 Contacts
Industry recognized mating diameter3.20mm ID, 9.00mm OD (RCA)

Product details

RCA jack, mono, 2-conductor, through hole

The RCJ-051 is a 2-conductor, 2-contact female phono (RCA) jack from the CUI Devices RCJ series, accepting a standard 3.20mm ID, 9.00mm OD RCA plug.

Series siblings: mounting orientation and colour

Within the RCJ series the RCJ-051 (silver, black body) is the vertical through-hole version; the RCJ-041 shares the same colour and specs but mounts right-angle, while the RCJ-053 (silver, white body) is vertical through-hole like the RCJ-051. The RCJ-021 uses a slightly larger 3.50mm ID actual diameter but the same 3.20mm ID industry recognized mating diameter — the board footprint and mating plug are shared across the series.

Frequently asked questions

What is the closest functional second-source to the RCJ-051?

The RCJ-053 is a vertical through-hole RCA jack in the same RCJ series with identical specs except body colour (silver, white vs silver, black). The RCJ-051 will drop into a panel specified for the RCJ-053 without rewiring — both share the same 3.20mm ID industry recognized mating diameter, 2 conductors, and board lock.