TE Connectivity 5-1634503-4 BNC Connector Jack Equivalent & Substitute Parts

Part Overview

The TE Connectivity 5-1634503-4 is a BNC connector jack (female socket) rated for 50 ohms impedance, designed for through-hole PCB mounting with solder termination. This component operates across a frequency range up to 4 GHz and is suitable for RF coaxial applications requiring bayonet-lock fastening.

The 5-1634503-4 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this connector specification.

Key Parameters

Parameter	Value
Connector Style	BNC
Connector Type	Jack, Female Socket
Impedance	50 Ohms
Mounting Type	Through Hole
Contact Termination	Solder
Shield Termination	Solder
Fastening Type	Bayonet Lock
Frequency - Max	4 GHz
Number of Ports	1
Voltage Rating	500 V
Mating Cycles	500
Operating Temperature	-55°C ~ 85°C
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 5-1634503-4 is determined by strict adherence to the following core electrical and mechanical parameters:

Critical Parameters (Must Match):

Connector Style: BNC
Connector Type: Jack, Female Socket
Impedance: 50 Ohms
Mounting Type: Through Hole
Contact Termination: Solder
Shield Termination: Solder
Fastening Type: Bayonet Lock
Frequency - Max: 4 GHz
Number of Ports: 1
Voltage Rating: 500 V
Mating Cycles: 500

Allowable Variations: Substitute parts may differ in the following parameters while maintaining functional equivalence:

Center Contact Material (Phosphor Bronze, Brass, Beryllium Copper)
Body Material (Zinc Alloy, Brass)
Body Finish (Nickel, Silver, Tin, Tin-Lead)
Center Contact Plating (Gold, Silver, Tin)
Dielectric Material (PTFE, Polyester, PBT, PPO)
Operating Temperature Range (may exceed the original specification)
RoHS and REACH compliance status
Product status (Active substitutes preferred for obsolete originals)

All identified substitute parts meet the critical electrical and mechanical requirements for direct functional replacement in 50-ohm RF coaxial applications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Center Contact Material	Body Material	Body Finish	Center Contact Plating	Dielectric Material	Operating Temperature	RoHS Status	Inventory (Pcs)
5-1634503-4	TE Connectivity	Obsolete	Phosphor Bronze	Zinc Alloy	Nickel	Gold	PTFE	-55°C ~ 85°C	RoHS Compliant	778
1-1337445-0	TE Connectivity	Active	Brass	Brass	Silver	Silver	PTFE	-65°C ~ 165°C	ROHS3 Compliant	2400
221123-2	TE Connectivity	Active	Phosphor Bronze	Zinc	Tin-Lead	Gold	Polyester	-55°C ~ 85°C	RoHS non-compliant	1077
227699-1	TE Connectivity	Active	Phosphor Bronze	Zinc	Nickel	Silver	PBT, Polyester	-55°C ~ 85°C	RoHS Compliant	923
227699-3	TE Connectivity	Active	Phosphor Bronze	Zinc	Nickel	Tin	PBT, Polyester	-55°C ~ 85°C	RoHS non-compliant	972
414460-1	TE Connectivity	Active	Phosphor Bronze	Zinc	Nickel	Gold	PBT, Polyester	-55°C ~ 85°C	RoHS non-compliant	934
5221123-2	TE Connectivity	Active	Phosphor Bronze	Zinc	Tin	Gold	Polyester	-55°C ~ 85°C	ROHS3 Compliant	3397
5222420-1	TE Connectivity	Active	Phosphor Bronze	Brass	Nickel	Silver	Polyester	-55°C ~ 85°C	RoHS Compliant	1520
5413969-2	TE Connectivity	Active	Beryllium Copper	Zinc	Tin	Gold	PTFE	-55°C ~ 85°C	ROHS3 Compliant	5912
6274315-1	TE Connectivity	Active	Phosphor Bronze	Zinc	Tin	Silver	PPO	-55°C ~ 85°C	ROHS3 Compliant	803
031-5329-51RFX	Amphenol RF	Active	Phosphor Bronze	Brass	Nickel	Silver	PBT	-20°C ~ 165°C	ROHS3 Compliant	2181

Engineering Selection Recommendations

Primary Recommendation: 5413969-2

The 5413969-2 is the preferred substitute for the obsolete 5-1634503-4. Both components share identical electrical specifications (50 ohms, 4 GHz maximum frequency, 500 V rating, 500 mating cycles). The 5413969-2 is currently active in production with the highest inventory availability (5912 units). It maintains PTFE dielectric material matching the original specification and achieves ROHS3 compliance with REACH affected status. The beryllium copper center contact material provides equivalent performance to the original phosphor bronze contact.

Secondary Recommendations:

1-1337445-0 is an active substitute with extended operating temperature range (-65°C ~ 165°C) and PTFE dielectric material. This part is suitable for applications requiring broader thermal performance. Inventory availability is 2400 units.

5221123-2 is an active ROHS3-compliant substitute with high inventory (3397 units). It maintains phosphor bronze center contact material and gold plating, closely matching the original material composition. Operating temperature range is -55°C ~ 85°C.

031-5329-51RFX (Amphenol RF) provides cross-manufacturer compatibility with ROHS3 compliance and extended operating temperature range (-20°C ~ 165°C). This part is suitable for applications requiring alternative supplier qualification.

Compliance Considerations:

For applications requiring RoHS compliance, select from: 5-1634503-4 (original, RoHS Compliant), 1-1337445-0 (ROHS3), 227699-1 (RoHS Compliant), 5221123-2 (ROHS3), 5222420-1 (RoHS Compliant), 5413969-2 (ROHS3), 6274315-1 (ROHS3), or 031-5329-51RFX (ROHS3).

For applications requiring REACH compliance, select from: 1-1337445-0, 5221123-2, 5222420-1, 5413969-2, or 031-5329-51RFX.

Frequently Asked Questions (FAQ)

Q: Can the 5-1634503-4 be directly replaced with any of the listed substitute parts?

A: Yes. All listed substitute parts meet the critical electrical and mechanical specifications: BNC jack connector, 50-ohm impedance, through-hole solder termination, bayonet-lock fastening, 4 GHz maximum frequency, 500 V rating, and 500 mating cycles. Direct functional replacement is supported without circuit redesign.

Q: What is the difference between the various center contact materials (Phosphor Bronze, Brass, Beryllium Copper)?

A: All three materials are acceptable for 50-ohm RF coaxial applications at frequencies up to 4 GHz. Material selection affects mechanical durability and contact resistance characteristics. Phosphor bronze and beryllium copper provide superior spring properties and contact longevity. Brass offers cost efficiency. All materials are compatible with the specified 500 mating cycle requirement.

Q: Why do some substitutes have different dielectric materials (PTFE, Polyester, PBT, PPO)?

A: All specified dielectric materials are suitable for 50-ohm RF applications up to 4 GHz. PTFE (Teflon) provides superior high-frequency performance and temperature stability. Polyester, PBT, and PPO are cost-effective alternatives with acceptable performance at the specified frequency range. Material selection does not affect functional compatibility for this application.

Q: What is the significance of the body finish variations (Nickel, Silver, Tin, Tin-Lead)?

A: Body finish affects corrosion resistance and solderability. Nickel and silver finishes provide superior corrosion protection. Tin and tin-lead finishes are traditional options with established soldering processes. All finishes are compatible with standard PCB assembly procedures. Selection should align with existing manufacturing processes and environmental requirements.

Q: Are there any temperature-related constraints when substituting the 5-1634503-4?

A: The original 5-1634503-4 operates from -55°C to 85°C. Most substitutes maintain this range. Parts 1-1337445-0 and 031-5329-51RFX offer extended ranges (-65°C ~ 165°C and -20°C ~ 165°C respectively). These extended-range parts are fully compatible with applications limited to the original -55°C ~ 85°C range and provide additional thermal margin for demanding environments.

Q: What is the difference between RoHS Compliant and ROHS3 Compliant status?

A: RoHS Compliant indicates compliance with the original Restriction of Hazardous Substances directive. ROHS3 Compliant indicates compliance with the updated RoHS 3 directive (2011/65/EU as amended). Both designations confirm absence of restricted substances. ROHS3 is the current regulatory standard. Selection should align with customer and regional compliance requirements.

Q: Which substitute offers the best inventory availability?

A: The 5413969-2 provides the highest inventory availability with 5912 units in stock. The 5221123-2 offers the second-highest availability with 3397 units. Both parts are active production items suitable for immediate procurement.

Q: Can the Amphenol RF part (031-5329-51RFX) be used as a direct substitute?

A: Yes. The 031-5329-51RFX meets all critical electrical and mechanical specifications for the 5-1634503-4. It is manufactured by Amphenol RF, a different supplier than TE Connectivity. This part is suitable for applications requiring cross-manufacturer qualification or alternative supplier sourcing. Insertion loss specification (0.2 dB) is provided for this part.

Q: Are there any packaging differences between the main part and substitutes?

A: The original 5-1634503-4 packaging is not specified in the provided data. Most substitutes are supplied in bulk packaging. Specific packaging requirements should be confirmed with the component supplier based on production volume and assembly process requirements.

Q: What is the Moisture Sensitivity Level (MSL) rating?

A: All parts, including the original 5-1634503-4 and all substitutes, carry an MSL rating of 1 (Unlimited). This indicates the component is not moisture-sensitive and requires no special storage or handling precautions related to moisture exposure.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message