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FCC17B25SN290 Equivalent & Substitute Parts
Part Overview
The FCC17B25SN290 is a 25 Position D-Sub Receptacle connector manufactured by Amphenol ICC (Commercial Products). This through-hole solder-terminated connector features female sockets in a DB/B shell size configuration with tin-plated steel housing and gold-plated contacts. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design and procurement requirements. Substitute parts must maintain electrical and mechanical compatibility while meeting current product availability and compliance standards.
Substiute Parts
Key Parameters
| Parameter | FCC17B25SN290 Specification |
|---|---|
| Connector Type | Receptacle, Female Sockets |
| Number of Positions | 25 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 3 (DB, B) |
| Mounting Type | Through Hole |
| Termination | Solder |
| Current Rating | 5A |
| Voltage Rating | 200V |
| Operating Temperature Range | -40°C ~ 85°C |
| Contact Material | Phosphor Bronze |
| Contact Finish | Gold (15.0µin / 0.38µm) |
| Shell Material, Finish | Steel, Tin Plated |
| Flange Feature | Housing/Shell (Unthreaded) |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the FCC17B25SN290 is determined by strict alignment of the following critical parameters:
Mandatory Matching Parameters:
- Connector Type: Receptacle, Female Sockets
- Number of Positions: 25
- Number of Rows: 2
- Shell Size, Connector Layout: 3 (DB, B)
- Termination: Solder
- Contact Type: Signal
- Material Flammability Rating: UL94 V-0
Electrical Compatibility Parameters:
- Current Rating: Minimum 5A
- Voltage Rating: Minimum 200V (or unspecified, indicating general-purpose signal use)
- Contact Material: Phosphor Bronze or equivalent
- Contact Finish: Gold
Mechanical Compatibility Parameters:
- Mounting Type: Through Hole (primary); Panel Mount with Through Hole (compatible)
- Flange Feature: Housing/Shell (Unthreaded) or Board/Mating Side mounting options
- Dielectric Material: Thermoplastic or PBT-based compounds
Substitute parts are grouped into two categories:
Category A - Direct Equivalents (Same Series, Active Status): FCE17B25SN290 represents the active production equivalent within the Amphenol ICC product line, maintaining identical electrical and mechanical specifications with enhanced RoHS compliance.
Category B - Cross-Manufacturer Substitutes (Functional Equivalents): NorComp Inc. 172-025 series and TE Connectivity AMPLIMITE HDP-20 series connectors provide functional equivalence through matching core parameters while offering alternative mounting configurations and compliance certifications.
Parameter Comparison
| Parameter | FCC17B25SN290 | FCE17B25SN290 | 172-025-283L001 | 172-025-283L031 | 205738-3 | 5205738-3 |
|---|---|---|---|---|---|---|
| Manufacturer | Amphenol ICC | Amphenol ICC | NorComp Inc. | NorComp Inc. | TE Connectivity | TE Connectivity |
| Connector Type | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets |
| Number of Positions | 25 | 25 | 25 | 25 | 25 | 25 |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 |
| Shell Size, Connector Layout | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) |
| Mounting Type | Through Hole | Through Hole | Panel Mount, Through Hole | Panel Mount, Through Hole | Through Hole | Through Hole |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder |
| Current Rating (Amps) | 5A | 5A | 5A | 5A | 6A | 6A |
| Voltage Rating | 200V | Not specified | Not specified | Not specified | 125V | 125V |
| Contact Finish | Gold (15.0µin) | Gold (15.0µin) | Gold (Flash) | Gold (Flash) | Gold | Gold |
| Shell Material, Finish | Steel, Tin Plated | Steel, Tin Plated | Steel, Nickel Plated | Steel, Nickel Plated | Steel, Yellow Chromate Plated Zinc | Steel, Yellow Chromate Plated Zinc |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Brass | Brass | Phosphor Bronze | Phosphor Bronze |
| Flange Feature | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) | Mating Side (4-40) | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Operating Temperature Range | -40°C ~ 85°C | -40°C ~ 85°C | -50°C ~ 125°C | -50°C ~ 125°C | -55°C ~ 105°C | -55°C ~ 105°C |
| RoHS Status | RoHS non-compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS non-compliant | RoHS Compliant |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Primary Recommendation: FCE17B25SN290
The FCE17B25SN290 is the direct active equivalent from Amphenol ICC (Commercial Products). This substitute maintains identical electrical and mechanical specifications to the FCC17B25SN290 while offering RoHS Compliant status. The FCE17 series represents the current production line for this connector configuration. Selection of FCE17B25SN290 eliminates obsolescence risk and provides continuity with the original design intent.
Secondary Recommendations: TE Connectivity AMPLIMITE HDP-20 Series
The 5205738-3 (ROHS3 Compliant) and 205738-3 (RoHS non-compliant) from TE Connectivity provide functional equivalence with enhanced current rating (6A versus 5A). These connectors maintain the same 25-position, 2-row DB/B shell configuration with solder termination. The 5205738-3 offers superior compliance status for new designs. The voltage rating of 125V is lower than the original 200V specification; however, this is suitable for standard signal-level applications. Operating temperature range extends to -55°C to 105°C, providing broader environmental coverage.
Tertiary Recommendations: NorComp Inc. 172-025 Series
The 172-025-283L001, 172-025-283L011, 172-025-283L021, and 172-025-283L031 connectors provide ROHS3 Compliant alternatives with extended operating temperature range (-50°C to 125°C). These parts feature panel mount capability in addition to through-hole mounting, offering design flexibility. Flange feature variations (Housing/Shell unthreaded, Board Side, or Mating Side) accommodate different PCB layout requirements. Contact material is brass rather than phosphor bronze; however, electrical performance remains equivalent for signal-level applications.
Compliance Considerations:
For new designs requiring RoHS compliance, FCE17B25SN290, 5205738-3, 172-025-283L001, 172-025-283L011, 172-025-283L021, and 172-025-283L031 are suitable selections. For legacy systems or applications where RoHS compliance is not mandated, 205738-3 and 205738-7 remain functionally equivalent.
Frequently Asked Questions (FAQ)
Q: Can FCE17B25SN290 be used as a direct replacement for FCC17B25SN290?
A: Yes. The FCE17B25SN290 maintains identical electrical and mechanical specifications including 25 positions, 2-row configuration, 5A current rating, 200V voltage rating (not specified in FCE17 but compatible with signal-level applications), solder termination, and UL94 V-0 flammability rating. The primary difference is product status (Active versus Obsolete) and RoHS compliance (Compliant versus non-compliant). No design modifications are required.
Q: What is the difference between through-hole and panel mount mounting types?
A: Through-hole mounting uses vertical solder pins inserted into PCB vias for connection. Panel mount connectors include a flange for mechanical attachment to a panel or enclosure face, with through-hole pins for electrical connection. NorComp 172-025 series connectors support both mounting types. If the original design uses vertical through-hole mounting without panel attachment, through-hole-only options (FCE17B25SN290, 205738-3, 5205738-3) are appropriate. If panel mounting is required, 172-025 series variants provide this capability.
Q: Are there differences in contact material between substitute options?
A: Yes. The FCC17B25SN290 and FCE17B25SN290 use phosphor bronze contacts, while NorComp 172-025 series uses brass contacts. TE Connectivity AMPLIMITE series uses phosphor bronze. For signal-level applications at 5A or 6A current ratings, both materials provide equivalent electrical performance. Phosphor bronze offers superior spring characteristics and durability in high-cycle mating applications. Brass provides adequate performance for standard signal routing. Material selection should be based on application-specific requirements for contact force and cycle life.
Q: What is the significance of contact finish thickness specifications?
A: The FCC17B25SN290 specifies 15.0µin (0.38µm) gold plating thickness. NorComp 172-025 series specifies flash gold plating, which is thinner. TE Connectivity specifications do not detail thickness. Gold plating provides corrosion resistance and low contact resistance. Flash plating is suitable for signal-level applications with moderate environmental exposure. Thicker plating (15.0µin) provides enhanced durability in harsh environments or high-cycle applications. For standard industrial signal routing, flash plating is functionally equivalent.
Q: Can I use a substitute with a lower voltage rating?
A: The FCC17B25SN290 is rated for 200V. TE Connectivity AMPLIMITE series (205738-3, 5205738-3) is rated for 125V. NorComp 172-025 series does not specify voltage rating. For applications operating at signal levels below 125V, the TE Connectivity substitutes are suitable. For applications requiring 200V isolation or operating near 200V, the original specification or FCE17B25SN290 (which does not specify voltage but maintains original design parameters) should be selected. Voltage rating determines dielectric breakdown protection; exceeding rated voltage risks connector failure and safety hazards.
Q: What is the impact of operating temperature range differences?
A: The FCC17B25SN290 operates from -40°C to 85°C. NorComp 172-025 series extends to -50°C to 125°C, and TE Connectivity AMPLIMITE series to -55°C to 105°C. Wider temperature ranges provide design margin for extreme environmental conditions. If the application operates within -40°C to 85°C, all substitutes are suitable. If the application requires operation below -40°C or above 85°C, NorComp or TE Connectivity options provide extended capability. Dielectric material composition affects temperature performance; PBT and polyamide formulations in substitute parts support extended ranges.
Q: Are there inventory or packaging differences I should consider?
A: Yes. FCC17B25SN290 is available in 930 pieces (Obsolete status, limited future availability). FCE17B25SN290 is available in 707 pieces (Active). TE Connectivity 5205738-3 is available in 934 pieces (Tube packaging). NorComp 172-025-283L031 is available in 1,043 pieces (Tray packaging). For production quantities, active parts with higher inventory levels (5205738-3, 172-025-283L031) provide supply security. Packaging format (Bulk, Tube, Tray) affects handling and storage; confirm packaging compatibility with assembly processes.
Q: What does RoHS compliance mean for connector selection?
A: RoHS (Restriction of Hazardous Substances) compliance restricts lead, cadmium, mercury, and other hazardous materials. FCC17B25SN290 is RoHS non-compliant; FCE17B25SN290, 5205738-3, and NorComp 172-025 series are RoHS Compliant or ROHS3 Compliant. For products sold in the European Union or to customers with RoHS requirements, compliant parts are mandatory. For legacy systems or applications without RoHS mandates, non-compliant parts remain functionally equivalent. Compliance status does not affect electrical or mechanical performance; it reflects manufacturing process and material composition.
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