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Hirose Electric Co Ltd BNC-PJ-188/U(40) — RF / Coaxial Connectors

BNC-PJ-188/U(40) BNC Jack, 50 Ohm, 1 GHz, Obsolete

MPNBNC-PJ-188/U(40)
Obsolete

BNC jack, female socket, 50 Ohm, 1 GHz max, panel mount with flange, bayonet lock, solder termination, RG-188A cable group, 500 mating cycles, silver-plated beryllium copper centre contact, PTFE dielectric, nickel brass body, bulk pack.

$18.0100Ref. price · indicative, final on quote
Hirose Electric Co Ltd BNC-PJ-188/U(40) datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

BNC-PJ-188/U(40) key specifications
ParameterValue
MountingPanel Mount
Connector typeJack, Female Socket
Fastening typeBayonet Lock
Frequency - max1 GHz
Mounting featureFlange
Cable groupRG-188A
Operating temperature-30°C ~ 60°C
Body materialBrass
Housing colorSilver
Dielectric materialPolytetrafluoroethylene (PTFE)
Center contact materialBeryllium Copper
PackageBulk

All specifications

BNC-PJ-188/U(40) additional specifications
ParameterValue
Impedance50 Ohms
Body finishNickel
Mating cycles500
Number of ports1
Shield terminationClamp
Contact terminationSolder
Center contact platingSilver

Product details

50 Ohm BNC Jack for RG-188A — Now Obsolete

The BNC-PJ-188/U(40) is a panel-mount BNC jack, female socket, designed for RG-188A coaxial cable. The centre contact is beryllium copper with silver plating, mated through a PTFE dielectric, and the brass body gets a nickel finish.

Lifecycle Status — Obsolete, Sourced via Surplus

The centre contact is solder-terminated — the beryllium copper pin solders to the cable centre conductor, and the clamp secures the braid. Panel mounting uses a flange with two holes; the bayonet coupling nut on the plug side locks with a quarter-turn. The PTFE dielectric keeps the impedance stable through the solder process, but take care not to overheat the centre pin during soldering — the PTFE can flow if the iron dwells too long.

Frequently asked questions

What is the replacement for BNC-PJ-188/U(40)?

No official replacement or successor order code is listed on the lifecycle record for BNC-PJ-188/U(40). A parametric search for a 50 Ohm BNC jack with RG-188A cable compatibility and panel-mount flange is the practical path to find an active substitute.

What is the impedance of BNC-PJ-188/U(40)?

BNC-PJ-188/U(40) is a 50 Ohm BNC jack, which is the standard impedance for RF instrumentation, test equipment, and low-power transmission lines.