How do the Amphenol 2421 Series variants differ?

Amphenol 2421 Series part numbers differ by adapter series, body finish, center contact material and center gender. Use the selection guide above to pick by adapter series.

How many Amphenol 2421 Series part numbers are listed?

4 Amphenol 2421 Series part numbers are listed, each with specifications and a datasheet where available.

Amphenol 2421 Series

4 variants · Amphenol

About the Amphenol 2421 Series

The Amphenol 2421 Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common adapter type of Plug to Jack, body material of Brass and center contact plating of Gold. Variants differ by adapter series, body finish and center contact material, so you can match the exact adapter series your application requires using the selection guide below. All listed Amphenol 2421 Series part numbers are active and orderable.

Select a variant by

Adapter series: BNC to F · BNC to TNC · RP-TNC to N · SMA to SMC
Body finish: Gold · Nickel
Center contact material: Beryllium Copper · Phosphor Bronze
Center gender: Female to Female · Female to Male
Convert from (Adapter end): BNC Plug, Male Pin · RP-TNC Plug, Female Socket · SMA Jack, Female Socket · TNC Plug, Male Pin
Convert to (Adapter end): BNC Jack, Female Socket · F Jack, Female Socket · N Jack, Female Socket · SMC Plug, Female Socket
Fastening type: Bayonet Lock, Threaded · Threaded, Threaded
Frequency - max: 2 GHz · 4 GHz · 10 GHz · 11 GHz

Shared specifications

Adapter type: Plug to Jack
Body material: Brass
Center contact plating: Gold
Conversion type: Between Series
Dielectric material: Polytetrafluoroethylene (PTFE)
Features: -
Includes: -
Ingress protection: -
Insertion loss: -
Mating cycles: -
Mounting feature: -
Mounting type: Free Hanging (In-Line)

Variant comparison

Parameter	242149	242131RP	242154	242175
Adapter series	BNC to TNC	RP-TNC to N	BNC to F	SMA to SMC
Body finish	Nickel	Nickel	Nickel	Gold
Center contact material	Phosphor Bronze	Phosphor Bronze	Beryllium Copper	Beryllium Copper
Center gender	Female to Male	Female to Female	Female to Male	Female to Female
Convert from (Adapter end)	TNC Plug, Male Pin	RP-TNC Plug, Female Socket	BNC Plug, Male Pin	SMA Jack, Female Socket
Convert to (Adapter end)	BNC Jack, Female Socket	N Jack, Female Socket	F Jack, Female Socket	SMC Plug, Female Socket
Fastening type	Bayonet Lock, Threaded	Threaded, Threaded	Bayonet Lock, Threaded	Threaded, Threaded
Frequency - max	4 GHz	11 GHz	2 GHz	10 GHz

Request a quote on any Amphenol 2421 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Amphenol 2421 Series variants differ?: Amphenol 2421 Series part numbers differ by adapter series, body finish, center contact material and center gender. Use the selection guide above to pick by adapter series.
How many Amphenol 2421 Series part numbers are listed?: 4 Amphenol 2421 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Amphenol 2421 Series?: Request a quote (RFQ) for any Amphenol 2421 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.