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CUI Devices RCJ-021 — Audio Connectors

CUI Devices RCJ-021 RCA Jack, Female, 3.20mm ID, 9.00mm OD

MPNRCJ-021
Active

CUI Devices RCJ series phono (RCA) jack, order code RCJ-021, female, 2 conductors, 2 contacts, 3.20mm ID, 9.00mm OD, nickel-plated brass contacts, through-hole, solder termination, board lock, unshielded.

$1.1600Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesRCJ
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

RCJ-021 key specifications
ParameterValue
SeriesRCJ
MountingThrough Hole
Connector typePhono (RCA) Jack
Operating temperature-20°C~85°C
Body colorSilver
Body materialBrass
Contact materialBrass
Insulation colorBlack
Contact material - platingNickel
GenderFemale
PackageBag
FeaturesBoard Lock

All specifications

RCJ-021 additional specifications
ParameterValue
ShieldingUnshielded
TerminationSolder
Signal linesMono
Actual diameter0.138\" (3.50mm 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

Contact system and mounting

The RCJ-021 is a female phono (RCA) jack from CUI Devices' RCJ series, accepting a 3.20mm ID, 9.00mm OD mating plug with nickel-plated brass contacts.

Same-series selection: RCJ-025, RCJ-027, RCJ-053

The RCJ-021 shares the same 3.20mm ID, 9.00mm OD mating diameter and 2-conductor, 2-contact layout with the RCJ-025, RCJ-027, and RCJ-053 — all are through-hole, unshielded, board-lock jacks in the RCJ series. The RCJ-053 differs in its actual inner diameter (3.30mm ID vs 3.50mm ID for the RCJ-021) and adds a polyamide (PA66) housing; the RCJ-025 and RCJ-027 are functionally identical to the RCJ-021 in dimensions and materials, differing only in body colour or packaging.

Frequently asked questions

What compliance documentation does CUI Devices provide for the RCJ-021?

The RCJ-021 is ROHS3 Compliant.