TE Connectivity 6274425-2 BNC Connector Jack Equivalent & Substitute Parts

Part Overview

The TE Connectivity 6274425-2 is a BNC connector jack (female socket) rated for 75 ohms impedance, designed for panel mount through-hole applications with right-angle solder termination. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing procurement and design requirements. The connector features a bayonet lock fastening mechanism, bulkhead front-side nut mounting feature, and operates across a temperature range of -55°C to 85°C with a 500V voltage rating.

Key Parameters

Parameter	Value
Manufacturer Part Number	6274425-2
Manufacturer	TE Connectivity AMP Connectors
Connector Style	BNC
Connector Type	Jack, Female Socket
Impedance	75 Ohms
Mounting Type	Panel Mount, Through Hole, Right Angle
Contact Termination	Solder
Frequency - Max	4 GHz
Operating Temperature	-55°C ~ 85°C
Voltage Rating	500 V
Mating Cycles	500
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 6274425-2 is determined by the following critical parameters:

Mechanical Compatibility:

Connector style (BNC)
Connector type (Jack, Female Socket)
Mounting type (Panel Mount, Through Hole, Right Angle)
Mounting feature (Bulkhead - Front Side Nut)
Fastening type (Bayonet Lock)

Electrical Compatibility:

Impedance rating
Maximum frequency (4 GHz)
Voltage rating (500 V)
Operating temperature range

Termination Requirements:

Contact termination (Solder)
Shield termination (Solder)

The primary distinction among substitute parts is impedance rating. The main part operates at 75 ohms, while all identified substitute parts operate at 50 ohms impedance. This impedance difference represents a functional change and requires circuit-level evaluation for compatibility. Secondary variations include center contact material, body finish, dielectric material, and operating temperature ranges, which may affect performance in specific applications.

Parameter Comparison

Parameter	6274425-2	227661-1	227676-1	413879-2	5413879-1	5415025-1	5415025-2	BNC5-J-P-GN-RA-BH2D	VBM211	VBM511
Manufacturer	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	Samtec Inc.	Cinch Connectivity	Cinch Connectivity
Impedance	75 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms
Connector Type	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket	Jack, Female Socket
Mounting Type	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle
Contact Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Frequency - Max	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz
Operating Temperature	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C	-65°C ~ 125°C	-40°C ~ 85°C	-55°C ~ 85°C
Voltage Rating	500 V	500 V	500 V	500 V	500 V	500 V	500 V	Not Specified	500 V	500 V
Mating Cycles	500	500	500	500	500	500	500	Not Specified	500	500
Product Status	Obsolete	Active	Active	Active	Active	Active	Obsolete	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant
Center Contact Material	Beryllium Copper	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Body Material	Zinc	Zinc	Zinc	Zinc Die Cast	Zinc	Zinc	Zinc	Zinc	Zinc Alloy	Zinc Alloy
Body Finish	Tin	Nickel	Nickel	Nickel	Nickel	Tin	Tin	Nickel	Nickel	Nickel
Center Contact Plating	Gold	Tin	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Dielectric Material	Polytetrafluoroethylene (PTFE)	Polymethylpentene (PMP)	Polymethylpentene (PMP)	Polymethylpentene (PMP)	Polymethylpentene (PMP)	PTFE, PMP	Polytetrafluoroethylene (PTFE)	Polytetrafluoroethylene (PTFE)	Polypropylene (PP)	Polypropylene (PP)

Engineering Selection Recommendations

Active Substitute Parts (Recommended for New Designs):

The following parts are classified as active and represent the primary substitution options for the obsolete 6274425-2:

227661-1 (TE Connectivity): ROHS3 compliant, 50 ohm impedance, phosphor bronze center contact with tin plating, PMP dielectric. Suitable for applications where impedance change from 75 to 50 ohms is acceptable.
227676-1 (TE Connectivity): ROHS3 compliant, 50 ohm impedance, phosphor bronze center contact with gold plating, PMP dielectric. REACH unaffected status provides regulatory advantage.
413879-2 (TE Connectivity): RoHS compliant, 50 ohm impedance, zinc die-cast body with nickel finish, phosphor bronze center contact with gold plating, PMP dielectric.
5413879-1 (TE Connectivity): ROHS3 compliant, 50 ohm impedance, zinc body with nickel finish, phosphor bronze center contact with gold plating, PMP dielectric. Highest inventory availability (4924 pcs).
5415025-1 (TE Connectivity): RoHS compliant, 50 ohm impedance, zinc body with tin finish, phosphor bronze center contact with gold plating, dual dielectric (PTFE and PMP).
BNC5-J-P-GN-RA-BH2D (Samtec Inc.): ROHS3 compliant, 50 ohm impedance, extended operating temperature range (-65°C to 125°C), includes lockwasher and nut assembly. Suitable for applications requiring wider temperature performance.
VBM211 (Cinch Connectivity Solutions): RoHS compliant, 50 ohm impedance, zinc alloy body with nickel finish, polypropylene dielectric, includes lockwasher and nut assembly. Operating temperature range -40°C to 85°C.
VBM511 (Cinch Connectivity Solutions): RoHS compliant, 50 ohm impedance, zinc alloy body with nickel finish, polypropylene dielectric, 0.2 dB insertion loss specification, includes lockwasher and nut assembly.

Obsolete Substitute Parts (Not Recommended for New Designs):

5415025-2 (TE Connectivity): Classified as obsolete. While functionally equivalent to active parts, procurement for new applications is not recommended.

Critical Substitution Consideration:

All substitute parts operate at 50 ohm impedance, whereas the main part 6274425-2 operates at 75 ohm impedance. This impedance mismatch requires circuit-level evaluation to determine compatibility with existing RF systems and transmission line characteristics.

Frequently Asked Questions (FAQ)

Q: Can the 6274425-2 be directly replaced with a 50 ohm substitute part?

A: Direct replacement requires circuit-level evaluation. The 6274425-2 is rated for 75 ohm impedance, while all identified substitutes operate at 50 ohms. Impedance mismatch affects signal reflection, insertion loss, and system performance. Substitution is only valid if the application circuit is designed for 50 ohm operation or if impedance matching networks are implemented.

Q: What is the difference between TE Connectivity and third-party manufacturer substitutes?

A: TE Connectivity parts (227661-1, 227676-1, 413879-2, 5413879-1, 5415025-1, 5415025-2) are original manufacturer equivalents with consistent design and quality standards. Samtec BNC5-J-P-GN-RA-BH2D and Cinch VBM211/VBM511 are functionally equivalent alternatives from different manufacturers. All parts meet the same mechanical and electrical specifications for 50 ohm BNC jack connectors with panel mount right-angle configuration.

Q: Which substitute part has the best compliance status?

A: Multiple parts hold ROHS3 compliance: 227661-1, 227676-1, 5413879-1, and BNC5-J-P-GN-RA-BH2D. Part 227676-1 additionally carries REACH unaffected status, providing the most favorable regulatory position for applications with strict compliance requirements.

Q: Are there differences in operating temperature ranges among substitutes?

A: Yes. Most substitutes operate within -55°C to 85°C, matching the original part. BNC5-J-P-GN-RA-BH2D extends to -65°C to 125°C, suitable for extreme temperature applications. VBM211 operates within -40°C to 85°C, which may be limiting for low-temperature environments.

Q: What is the significance of center contact material differences?

A: The original 6274425-2 uses beryllium copper, while all substitutes use phosphor bronze. Both materials provide adequate electrical conductivity and mechanical durability for BNC connectors. Phosphor bronze is standard in modern BNC connector designs and does not compromise performance at 4 GHz maximum frequency.

Q: Do the substitute parts include mounting hardware?

A: TE Connectivity parts (227661-1, 227676-1, 413879-2, 5413879-1, 5415025-1, 5415025-2) are connectors only. Samtec BNC5-J-P-GN-RA-BH2D, VBM211, and VBM511 include lockwasher and nut assemblies (3 pcs total per connector), reducing assembly requirements.

Q: Which substitute part has the highest inventory availability?

A: TE Connectivity 5413879-1 has the highest inventory with 4924 pcs in stock, followed by 5415025-2 (2456 pcs) and 227676-1 (1140 pcs).

Q: What dielectric material differences exist among substitutes?

A: The original part uses PTFE (polytetrafluoroethylene). Substitutes employ PTFE, PMP (polymethylpentene), or PP (polypropylene). All materials are suitable for RF applications at 4 GHz. PTFE provides superior high-frequency performance and lower dielectric loss. PMP and PP are cost-effective alternatives with acceptable performance for this frequency range.

Q: Is the 5415025-2 substitute viable despite obsolete status?

A: While 5415025-2 is classified as obsolete, it remains functionally equivalent to active substitutes. Procurement is possible with 2456 pcs currently in stock. However, for new designs and long-term supply assurance, active parts are recommended.

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