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RFSSMAA4JAAC Equivalent & Substitute Parts
Part Overview
The RFSSMAA4JAAC is an SSMA Connector Jack with female socket configuration, manufactured by Bulgin for RF coaxial applications. This panel mount connector features a 50 Ohm impedance rating, compression contact termination, and screw shield termination. The component is designed for high-frequency applications up to 40 GHz and operates across a temperature range of -65°C to 165°C. The part is currently active in production status and maintains ROHS3 compliance. Substitute parts are identified when equivalent electrical and mechanical parameters align with application requirements, particularly when specific mounting hole configurations or voltage ratings necessitate alternative part selection.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Style | SSMA |
| Connector Type | Jack, Female Socket |
| Impedance | 50 Ohms |
| Mounting Type | Panel Mount |
| Mounting Feature | Flange |
| Contact Termination | Compression |
| Shield Termination | Screw |
| Frequency - Max | 40 GHz |
| Operating Temperature | -65°C ~ 165°C |
| Voltage Rating | 335 V |
| Mating Cycles | 500 |
| Center Contact Material | Beryllium Copper |
| Body Material | Stainless Steel |
| Dielectric Material | Polytetrafluoroethylene (PTFE) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RFSSMAA4JAAC are identified based on strict electrical and mechanical parameter alignment. The primary substitution criteria include:
Electrical Parameters: Connector style (SSMA), connector type (Jack, Female Socket), impedance (50 Ohms), contact termination (Compression), shield termination (Screw), frequency capability (40 GHz maximum), operating temperature range (-65°C to 165°C), and mating cycle rating (500 cycles).
Mechanical Parameters: Mounting type (Panel Mount), mounting feature (Flange), fastening type (Threaded), center contact material (Beryllium Copper), body material (Stainless Steel), and dielectric material (PTFE).
Compliance Parameters: ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited).
The RFSSMAA4JAAC differs from substitute parts primarily in mounting hole configuration (4-hole flange) and voltage rating (335 V). Substitute RFSSMAA4JCCA maintains identical 4-hole mounting but represents an alternative manufacturing variant. Substitute RFSSMAA2JEGA features a 2-hole flange configuration and a higher voltage rating of 350 V, suitable for applications where panel mounting geometry differs.
Parameter Comparison
| Parameter | RFSSMAA4JAAC | RFSSMAA4JCCA | RFSSMAA2JEGA |
|---|---|---|---|
| Manufacturer | Bulgin | Bulgin | Bulgin |
| Connector Style | SSMA | SSMA | SSMA |
| Connector Type | Jack, Female Socket | Jack, Female Socket | Jack, Female Socket |
| Impedance | 50 Ohms | 50 Ohms | 50 Ohms |
| Mounting Type | Panel Mount | Panel Mount | Panel Mount |
| Mounting Feature | Flange (4-hole) | Flange (4-hole) | Flange (2-hole) |
| Contact Termination | Compression | Compression | Compression |
| Shield Termination | Screw | Screw | Screw |
| Fastening Type | Threaded | Threaded | Threaded |
| Frequency - Max | 40 GHz | 40 GHz | 40 GHz |
| Operating Temperature | -65°C ~ 165°C | -65°C ~ 165°C | -65°C ~ 165°C |
| Voltage Rating | 335 V | 335 V | 350 V |
| Mating Cycles | 500 | 500 | 500 |
| Center Contact Material | Beryllium Copper | Beryllium Copper | Beryllium Copper |
| Body Material | Stainless Steel | Stainless Steel | Stainless Steel |
| Dielectric Material | PTFE | PTFE | PTFE |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
All three parts—RFSSMAA4JAAC, RFSSMAA4JCCA, and RFSSMAA2JEGA—maintain active production status and full ROHS3 compliance. Selection between these coaxial connectors is determined by panel mounting hole configuration and voltage rating requirements.
RFSSMAA4JAAC and RFSSMAA4JCCA are functionally equivalent for applications requiring 4-hole flange mounting. Both support 335 V voltage rating and deliver identical electrical performance across the 40 GHz frequency range. RFSSMAA4JCCA represents an alternative manufacturing variant suitable for direct substitution in existing 4-hole panel mount designs.
RFSSMAA2JEGA is selected for applications where panel geometry accommodates 2-hole flange mounting. This part provides a higher voltage rating of 350 V while maintaining all other electrical and mechanical specifications. The 2-hole configuration requires corresponding panel cutout and fastening hole modifications.
Component selection must align with specific panel mounting hole patterns and voltage requirements of the target application. All parts deliver equivalent RF performance, temperature stability, and reliability characteristics within their respective mounting configurations.
Frequently Asked Questions (FAQ)
Q: Can RFSSMAA2JEGA replace RFSSMAA4JAAC in existing designs?
A: Direct replacement requires panel modification. RFSSMAA2JEGA features a 2-hole flange mounting configuration compared to the 4-hole design of RFSSMAA4JAAC. Panel cutouts and fastening holes must be adapted to accommodate the different mounting pattern. Electrical performance and RF characteristics are equivalent.
Q: What is the primary difference between RFSSMAA4JAAC and RFSSMAA4JCCA?
A: Both parts share identical 4-hole flange mounting, 50 Ohm impedance, 40 GHz frequency capability, and 335 V voltage rating. RFSSMAA4JCCA represents an alternative manufacturing variant of the same connector configuration. Selection between these parts is based on inventory availability and supplier preference.
Q: Does RFSSMAA2JEGA offer voltage advantages over RFSSMAA4JAAC?
A: RFSSMAA2JEGA provides a 350 V voltage rating compared to 335 V for RFSSMAA4JAAC. This 15 V increase is available only with the 2-hole flange mounting configuration. Applications requiring higher voltage margins must accommodate the different panel mounting geometry.
Q: Are all three connectors suitable for high-frequency RF applications?
A: All three parts support 40 GHz maximum frequency operation with 50 Ohm impedance. Operating temperature range (-65°C to 165°C), mating cycle rating (500 cycles), and dielectric material (PTFE) are identical across all variants. Connector selection is based on mounting hole configuration and voltage requirements rather than frequency capability.
Q: What is the moisture sensitivity classification for these connectors?
A: All three parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions. These connectors do not require special moisture control during storage, handling, or assembly.
Q: Are these connectors RoHS compliant?
A: All three parts maintain ROHS3 compliance, confirming conformance to current Restriction of Hazardous Substances regulations.
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