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Pomona 4290 SMA Male to BNC Female RF Adapter, 50 Ohm, Gold-Plated Contacts

SKU: N101929
Model: 4290
Product Condition: New
$19.49

Pomona 4290 SMA Male to BNC Female adapter enables reliable 50-ohm RF signal interconnection for test equipment, antennas, and cables, using gold-plated contacts for consistent performance.

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Estimated delivery: 2-4 weeks lead time days
One year warranty
Free return within 30 days of purchase.
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Product Description

Pomona 4290 SMA Male to BNC Female 50-Ohm RF Signal Adapter

Pomona 4290 is a precision RF adapter designed to interface SMA male and BNC female connectors in 50-ohm signal paths. It supports broadband RF applications where connector compatibility and signal integrity are critical.

Precision Connector Interface Design

  • SMA male to BNC female connector configuration
  • 50-ohm nominal impedance for RF systems
  • Gold-plated contacts for stable electrical connection
  • PTFE dielectric for consistent signal performance

Durable RF Construction

The adapter is manufactured using beryllium copper and brass components with controlled plating finishes. This construction supports reliable mechanical fit and electrical continuity across a wide operating temperature range.

Supported Applications

  • RF test and measurement equipment interconnections
  • Antenna and coaxial cable interface adaptation
  • Laboratory and engineering RF signal routing
Specifications
Specifications
MPN 4290
Product Condition New
Shipping Length (in.) 7.01
Shipping Width (In.) 4.02
Shipping Height (In.) 0.51
Item Returns This item can be returned
Brand Pomona
Manufacturer Pomona Electronics (Fluke Corporation)
Model Number 4290
Product Type RF Coaxial Adapter
Adapter Configuration SMA Male to BNC Female
Nominal Impedance 50 Ohms
Frequency Range 0 to 12.4 GHz
Dielectric Material PTFE (per L-P-403)
Body Material Beryllium Copper
Contact Materials Male: Brass / Female: Beryllium Copper
Contact Plating Gold Plated per MIL-G-45204
BNC Body Finish Nickel Plated per QQ-N-290
Operating Temperature -85°F to +329°F
Length (Inches) 1.02
Width (Inches) 0.59
Height (Inches) 0.38
Weight (LBS) 0.03
What's in the box?
  • 1 x Pomona 4290 SMA Male to BNC Female RF Adapter
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