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CT3347 BNC to N Coaxial Adapter Connector
Part Overview
The CT3347 is a coaxial adapter connector that converts between BNC Plug (male pin) and N Jack (female socket) interfaces. This component operates at impedance of 50 Ohms with a maximum frequency rating of 10 GHz and supports operating temperatures from -55°C to 155°C. The part is currently classified as obsolete, making identification of suitable alternatives necessary for ongoing system maintenance and new designs requiring this adapter configuration.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | CT3347 |
| Manufacturer | Cal Test Electronics |
| Category | Coaxial Connectors (RF) |
| Adapter Type | Plug to Jack |
| Adapter Series | BNC to N |
| Convert From | BNC Plug, Male Pin |
| Convert To | N Jack, Female Socket |
| Impedance | 50 Ohms |
| Style | Straight |
| Mounting Type | Free Hanging (In-Line) |
| Fastening Type | Bayonet Lock, Threaded |
| Frequency - Max | 10 GHz |
| Center Contact Plating | Gold |
| Body Material | Brass |
| Operating Temperature | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the CT3347 is determined by the following critical parameters that must remain constant:
- Adapter series configuration: BNC to N conversion
- Gender configuration: BNC Plug (male pin) to N Jack (female socket)
- Impedance: 50 Ohms
- Style: Straight
- Mounting type: Free Hanging (In-Line)
- Fastening mechanism: Bayonet Lock, Threaded
- Center contact plating: Gold
- Body material: Brass
- RoHS compliance: ROHS3 Compliant
The substitute part CT2763 maintains all critical electrical and mechanical parameters required for functional equivalence within the BNC to N adapter category. Differences in frequency rating, operating temperature range, body finish, and dielectric material do not prevent substitution when application requirements fall within the substitute's specifications.
Parameter Comparison
| Parameter | CT3347 (Main Part) | CT2763 (Substitute) |
|---|---|---|
| Manufacturer Part Number | CT3347 | CT2763 |
| Manufacturer | Cal Test Electronics | Cal Test Electronics |
| Category | Coaxial Connectors (RF) | Coaxial Connectors (RF) |
| Adapter Type | Plug to Jack | Plug to Jack |
| Adapter Series | BNC to N | BNC to N |
| Convert From | BNC Plug, Male Pin | BNC Plug, Male Pin |
| Convert To | N Jack, Female Socket | N Jack, Female Socket |
| Impedance | 50 Ohms | 50 Ohms |
| Style | Straight | Straight |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Fastening Type | Bayonet Lock, Threaded | Bayonet Lock, Threaded |
| Frequency - Max | 10 GHz | 4 GHz |
| Center Contact Plating | Gold | Gold |
| Body Material | Brass | Brass |
| Body Finish | White Bronze | Nickel |
| Center Contact Material | Beryllium Copper | Beryllium Copper, Brass |
| Dielectric Material | Not specified | Polytetrafluoroethylene (PTFE) |
| Operating Temperature | -55°C ~ 155°C | -20°C ~ 80°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The CT2763 is the manufacturer-recommended substitute for the obsolete CT3347. Both parts maintain identical adapter series configuration, impedance, and mechanical interface specifications required for BNC to N conversion applications.
Selection of CT2763 over CT3347 is supported by the following factors:
- CT2763 maintains active product status with current manufacturing support
- Both parts achieve ROHS3 compliance and REACH unaffected status
- Identical impedance and connector gender configuration ensure electrical compatibility
- Matching fastening mechanism and mounting type preserve mechanical interchangeability
Applications operating within the CT2763 frequency range (4 GHz maximum) and temperature range (-20°C to 80°C) can directly substitute this part for the obsolete CT3347. Applications requiring the extended frequency capability (10 GHz) or temperature extremes (-55°C to 155°C) of the original part must evaluate CT2763 specifications against system requirements before implementation.
Frequently Asked Questions (FAQ)
Q: Can CT2763 directly replace CT3347 in all applications?
A: CT2763 is electrically and mechanically compatible with CT3347 for BNC to N adapter applications. Substitution is valid when system operating conditions fall within CT2763 specifications: maximum frequency of 4 GHz and operating temperature range of -20°C to 80°C.
Q: What are the key differences between CT3347 and CT2763?
A: The primary differences are product status (CT3347 is obsolete; CT2763 is active), maximum frequency rating (10 GHz versus 4 GHz), operating temperature range (-55°C to 155°C versus -20°C to 80°C), body finish (white bronze versus nickel), and dielectric material specification (unspecified versus PTFE). All critical adapter parameters remain identical.
Q: Are there packaging differences between these parts?
A: CT3347 packaging is not specified in available documentation. CT2763 is supplied in bulk packaging. Packaging configuration should be confirmed with the supplier based on application requirements.
Q: Do both parts meet regulatory compliance requirements?
A: Both CT3347 and CT2763 are ROHS3 compliant and REACH unaffected. Both carry EAR99 export classification and 8536.69.4010 HTSUS code.
Q: What determines whether CT2763 is suitable for my application?
A: Substitution suitability depends on whether your system operates within these CT2763 limits: maximum frequency of 4 GHz, operating temperature range of -20°C to 80°C, and 50 Ohm impedance requirement. If your application requires the extended frequency or temperature capabilities of CT3347, alternative solutions must be evaluated.
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