Pomona Electronics 4160 BNC Connector Jack Equivalent & Substitute Parts

Part Overview

The Pomona Electronics 4160 is a BNC connector jack featuring a female socket configuration with 50 ohm impedance, designed for panel mount applications with solder cup termination. This component is classified as Active product status and is RoHS3 compliant. The connector incorporates extended insulation, bayonet lock fastening, and operates across a frequency range up to 4 GHz with a voltage rating of 500 V. Substitute parts are necessary when original inventory is unavailable, when alternative material specifications are required for specific applications, or when different compliance certifications are mandated by procurement requirements.

Key Parameters

Parameter	Specification
Connector Style	BNC
Connector Type	Jack, Female Socket
Impedance	50 Ohms
Contact Termination	Solder Cup
Shield Termination	Solder
Mounting Type	Panel Mount
Mounting Feature	Bulkhead - Rear Side Nut
Fastening Type	Bayonet Lock
Frequency - Max	4 GHz
Number of Ports	1
Features	Extended Insulation
Operating Temperature	-65°C ~ 165°C
Voltage Rating	500 V

Substitute Part Grouping Explanation

Substitute parts for the Pomona Electronics 4160 are qualified based on strict electrical and mechanical parameter alignment. All substitute connectors must match the following core criteria:

Mandatory Matching Parameters:

Connector Style: BNC
Connector Type: Jack, Female Socket
Impedance: 50 Ohms
Contact Termination: Solder Cup
Shield Termination: Solder
Mounting Type: Panel Mount
Mounting Feature: Bulkhead - Rear Side Nut
Fastening Type: Bayonet Lock
Frequency - Max: 4 GHz
Number of Ports: 1
Features: Extended Insulation
Operating Temperature: -65°C ~ 165°C
Voltage Rating: 500 V

All substitute parts listed below satisfy these mandatory parameters. Variations in secondary specifications such as center contact material, body material, plating finishes, and dielectric material do not preclude substitution when the core electrical and mechanical parameters remain constant. Product status, RoHS compliance, and REACH status are documented for procurement decision-making but do not affect functional interchangeability within the specified parameter set.

Parameter Comparison

Parameter	Pomona 4160	TE Connectivity 1-1337451-0	TE Connectivity 227754-1	TE Connectivity 227754-2	TE Connectivity 227754-3	Amphenol RF 31-102	Amphenol RF 31-221	Amphenol RF 31-2221	TE Connectivity 5227754-1	TE Connectivity 5227754-2
Connector Style	BNC	BNC	BNC	BNC	BNC	BNC	BNC	BNC	BNC	BNC
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
Contact Termination	Solder Cup	Solder Cup	Solder Cup	Solder Cup	Solder Cup	Solder Cup	Solder Cup	Solder Cup	Solder Cup	Solder Cup
Shield Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Impedance	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms	50 Ohms
Mounting Type	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount
Mounting Feature	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut	Bulkhead - Rear Side Nut
Fastening Type	Bayonet Lock	Bayonet Lock	Bayonet Lock	Bayonet Lock	Bayonet Lock	Bayonet Lock	Bayonet Lock	Bayonet Lock	Bayonet Lock	Bayonet Lock
Frequency - Max	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz	4 GHz
Number of Ports	1	1	1	1	1	1	1	1	1	1
Features	Extended Insulation	Extended Insulation	Extended Insulation	Extended Insulation	Extended Insulation	Extended Insulation	Extended Insulation	Extended Insulation	Extended Insulation	Extended Insulation
Operating Temperature	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C	-65°C ~ 165°C
Voltage Rating	500 V	500 V	500 V	500 V	500 V	500 V	500 V	500 V	500 V	500 V
Mating Cycles	Not specified	500	500	500	500	500	500	500	500	500
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

TE Connectivity 1-1337451-0, Amphenol RF 31-102, Amphenol RF 31-221, Amphenol RF 31-2221, and TE Connectivity 5227754-2 are functionally equivalent to the Pomona Electronics 4160. All maintain Active product status and ROHS3 compliance, matching the original part's regulatory posture. These parts are suitable for direct substitution in applications where RoHS3 compliance is required.

Secondary Substitutes (Compliance Considerations):

TE Connectivity 227754-1, 227754-2, 227754-3, and TE Connectivity 5227754-1 satisfy all mandatory electrical and mechanical parameters but carry RoHS non-compliant or vendor-undefined REACH status designations. These parts are functionally interchangeable but require procurement approval when RoHS3 compliance is mandated by design specifications or regulatory requirements.

Inventory Availability:

All substitute parts maintain active inventory status with quantities ranging from 929 to 2,421 units in stock, ensuring supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can TE Connectivity 1-1337451-0 replace Pomona Electronics 4160 in all applications?

A: Yes. TE Connectivity 1-1337451-0 matches all mandatory electrical and mechanical parameters: BNC jack female socket, 50 ohm impedance, solder cup termination, panel mount bulkhead configuration, bayonet lock fastening, 4 GHz frequency rating, 500 V voltage rating, and -65°C to 165°C operating temperature range. Both parts are ROHS3 compliant and Active status. Physical interchangeability is confirmed through matching connector geometry and mounting specifications.

Q: What is the difference between Amphenol RF 31-102 and 31-221?

A: Both parts are functionally equivalent BNC jack connectors with identical electrical specifications and ROHS3 compliance. The primary difference is the center contact material specification: 31-102 lists Beryllium Copper and Brass, while 31-221 specifies Beryllium Copper only. Both include 3-piece mounting kits and exhibit 0.2 dB insertion loss. Selection between these parts depends on material specification requirements in your design documentation.

Q: Why are some substitute parts marked RoHS non-compliant?

A: TE Connectivity 227754-1, 227754-2, and 227754-3 employ different dielectric materials (Polybutylene Terephthalate instead of PTFE) and body materials (Zinc instead of Brass) compared to the original Pomona 4160. These material choices result in RoHS non-compliant status. These parts remain electrically and mechanically equivalent but require explicit procurement authorization when RoHS3 compliance is specified in design requirements.

Q: Are all substitute parts rated for the same mating cycle count?

A: The Pomona Electronics 4160 does not specify mating cycle rating. All substitute parts are rated for 500 mating cycles, providing documented mechanical durability specifications. This represents an enhancement over the original part specification.

Q: Can I use TE Connectivity 5227754-1 or 5227754-2 as direct replacements?

A: Yes. Both 5227754-1 and 5227754-2 are ROHS3 compliant and maintain all mandatory electrical and mechanical parameters. The primary difference between these variants is center contact plating: 5227754-1 uses tin plating while 5227754-2 uses gold plating. Selection depends on your application's corrosion resistance and contact reliability requirements. Both are suitable for direct substitution in the Pomona 4160 application.

Q: What mounting kit components are included with substitute connectors?

A: Pomona Electronics 4160 includes 3 pieces: 1 connector, 1 lockwasher, and 1 nut. Most substitute parts (TE Connectivity and Amphenol RF variants) include identical 3-piece kits. Amphenol RF 31-102 includes a 4-piece kit with an additional gasket component. Verify kit contents against your assembly requirements before procurement.

Q: Are there any frequency or impedance differences between substitute parts?

A: No. All substitute parts maintain 50 ohm impedance and 4 GHz maximum frequency rating, matching the Pomona Electronics 4160 specification exactly. Frequency and impedance are non-variable parameters across all listed substitutes.

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