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Brass BNC termination adapter with PTFE insulation

Pomona Electronics

Pomona Electronics 4119-50 BNC Termination Adapter

SKU CH-NZ30-MZCP9

BNC termination adapter rated for 500 Vrms with 50 ohm impedance and DC to 250 MHz frequency range

  • Product typeMechanical Connectors
  • 50 Ω impedance matches test equipment
  • DC to 250 MHz frequency range covers RF signals
  • 500 Vrms rating handles high-voltage circuits
  • PTFE insulation withstands 102 °C operating temperature
  • Brass and beryllium copper contacts ensure reliable conductivity

Product Identity

The Pomona Electronics 4119-50 is a BNC termination adapter rated for 500 Vrms and 50 ohm impedance. It operates from DC to 250 MHz and 250 to 500 MHz with PTFE insulation and brass construction.

Suitable Users

Engineers terminating 50 ohm coaxial lines in test or RF systems up to 500 Vrms and 102 Degrees C will find this adapter fits. It is not for installations requiring a different impedance value or a higher voltage rating.

Deciding Specification

The 50 ohm impedance matched to the 500 Vrms rating and the stated frequency bands determines whether this termination matches the transmission line and signal levels in your application.

How it compares

Measured against everything we stock in Wire Connectors & Cable Ties, at today’s prices. Recalculated every night.

Price $53.99
Pricier than about 86% of the 1,040 comparable items (median $13.99).

Specifications

Product
Brand namePomona
Product typeMechanical Connectors

Questions about this item

Which impedance version of the Pomona 4119-50 should I choose for my setup?

This model is a 50 ohm termination adapter, matching standard 50 ohm coaxial systems used in RF and video applications.

What does the 250 MHz frequency range mean when I install this adapter?

It maintains specified performance from DC up to 250 MHz, with extended operation to 500 MHz, so signal integrity is preserved across that bandwidth.

How does the BNC interface affect the maximum voltage I can apply?

The BNC termination is rated for 500 Vrms, so the connector interface supports that voltage level within the 102 °C operating temperature limit.

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