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L177SDEG09SOL2 Equivalent & Substitute Parts Reference
Part Overview
The L177SDEG09SOL2 is a 9-position D-Sub receptacle connector manufactured by Amphenol ICC, featuring female sockets with vertical through-hole solder termination. This connector is classified as a D-shaped connector (Shell Size 1, DE/E layout) and is designed for signal applications requiring reliable board-level interconnection. The part maintains Active product status with 674 units in current inventory stock.
Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct functional replacement in applications where the original part becomes unavailable or when alternative sourcing is required for supply chain optimization.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Style | D-Sub |
| Connector Type | Receptacle, Female Sockets |
| Number of Positions | 9 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 1 (DE, E) |
| Mounting Type | Through Hole |
| Termination | Solder |
| Shell Material, Finish | Steel, Tin Plated |
| Contact Finish | Gold |
| Current Rating (Amps) | 3A |
| Voltage Rating | 250V |
| Operating Temperature | -55°C ~ 125°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the L177SDEG09SOL2 is determined by strict alignment of the following critical parameters:
Primary Matching Criteria (Non-Negotiable):
- Connector Style: D-Sub
- Connector Type: Receptacle, Female Sockets
- Number of Positions: 9
- Number of Rows: 2
- Shell Size, Connector Layout: 1 (DE, E)
- Mounting Type: Through Hole
- Termination: Solder
- Material Flammability Rating: UL94 V-0
Secondary Compatibility Parameters:
- Current Rating: Substitute must equal or exceed 3A
- Voltage Rating: Substitute must equal or exceed 250V (where specified)
- Operating Temperature Range: Substitute must encompass or exceed -55°C ~ 125°C
- Contact Finish: Gold preferred for signal integrity; alternatives acceptable if electrical performance maintained
- Shell Material: Steel construction required; finish variations (tin plated vs. unfinished) permitted based on application requirements
Compliance Considerations:
- RoHS Status: Substitute parts must maintain RoHS compliance or ROHS3 compliance
- MSL Rating: Must be MSL 1 (Unlimited) for unrestricted storage and handling
Identified substitute parts meet these criteria and are grouped by manufacturer and specific flange feature variations, which do not affect core electrical or mechanical compatibility.
Parameter Comparison
| Part Number | Manufacturer | Connector Type | Positions | Shell Size | Termination | Current Rating (A) | Voltage Rating (V) | Operating Temp (°C) | Contact Finish | Shell Material | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L177SDEG09SOL2 | Amphenol ICC | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 3 | 250 | -55 ~ 125 | Gold | Steel, Tin Plated | RoHS Compliant |
| 09641127230 | HARTING | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 7.5 | 100 | -20 ~ 125 | Not Specified | Steel | ROHS3 Compliant |
| 09641127235 | HARTING | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 7.5 | 100 | -20 ~ 125 | Not Specified | Steel, Tin Plated | ROHS3 Compliant |
| 09661116503 | HARTING | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6.5 | Not Specified | -55 ~ 125 | Not Specified | Steel | ROHS3 Compliant |
| 09661117503 | HARTING | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6.5 | Not Specified | -55 ~ 125 | Not Specified | Steel | ROHS3 Compliant |
| 09661556513 | HARTING | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6.5 | Not Specified | -55 ~ 125 | Gold | Steel | ROHS3 Compliant |
| 1-338313-2 | TE Connectivity AMP Connectors | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6 | Not Specified | -55 ~ 105 | Gold | Steel, Tin Plated | ROHS3 Compliant |
| 1-5747150-3 | TE Connectivity AMP Connectors | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6 | 125 | -55 ~ 105 | Gold | Steel, Tin Plated | ROHS3 Compliant |
| 1-5747150-4 | TE Connectivity AMP Connectors | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6 | 125 | -55 ~ 105 | Gold | Steel, Tin Plated | RoHS Compliant |
| 1-5747150-6 | TE Connectivity AMP Connectors | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6 | 125 | -55 ~ 105 | Gold | Steel, Tin Plated | RoHS Compliant |
| 1-747150-4 | TE Connectivity AMP Connectors | Receptacle, Female Sockets | 9 | 1 (DE, E) | Solder | 6 | 125 | -55 ~ 105 | Gold | Steel, Tin Plated | RoHS non-compliant |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility):
The HARTING 09661556513 and TE Connectivity 1-5747150-4 and 1-5747150-6 represent the most direct functional equivalents to the L177SDEG09SOL2. These parts maintain:
- Identical 9-position, 2-row D-Sub receptacle configuration
- Gold contact finish matching the original specification
- Operating temperature range encompassing the original -55°C ~ 125°C requirement
- Current ratings (6 to 6.5A) exceeding the 3A requirement
- Active product status with substantial inventory availability
- Full RoHS or ROHS3 compliance
Secondary Substitutes (Conditional Compatibility):
The HARTING 09641127235 and TE Connectivity 1-338313-2 are functionally compatible with the following considerations:
- HARTING 09641127235: Meets all mechanical and electrical requirements; voltage rating of 100V is lower than the original 250V specification and must be evaluated against application requirements
- TE Connectivity 1-338313-2: Operating temperature maximum of 105°C is 20°C lower than the original specification; suitable for applications not requiring the full -55°C ~ 125°C range
Compliance Status:
All identified substitutes maintain either RoHS Compliant or ROHS3 Compliant status, ensuring regulatory alignment. The TE Connectivity 1-747150-4 is RoHS non-compliant and should be selected only when legacy system requirements mandate non-compliant components.
Inventory Considerations:
TE Connectivity AMPLIMITE HD-20 series parts (1-5747150-3, 1-5747150-4, 1-5747150-6) demonstrate the highest inventory levels (1,757 to 7,581 units), providing supply chain security for high-volume applications.
Frequently Asked Questions (FAQ)
Q1: Can the HARTING 09641127235 replace the L177SDEG09SOL2 in all applications?
The HARTING 09641127235 is mechanically and electrically compatible for 9-position D-Sub receptacle applications. However, its voltage rating of 100V is lower than the original 250V specification. Substitution is valid only for applications operating at or below 100V. Applications requiring the full 250V rating must select alternatives such as the TE Connectivity 1-5747150-4 or HARTING 09661556513.
Q2: What is the significance of the flange feature differences (Board Side vs. Mating Side)?
Flange feature variations (Board Side M3, Board Side 4-40, Mating Side Female Screwlock 4-40) affect mechanical mounting and mating interface design but do not impact core electrical compatibility. Selection depends on the specific PCB layout and connector mating requirements of the application. All identified substitutes maintain the same Shell Size 1 (DE, E) configuration, ensuring physical compatibility with standard D-Sub mating connectors.
Q3: Are there performance differences between stamped and machined contact forms?
The L177SDEG09SOL2 uses stamped contacts, while some substitutes employ machined contacts. Both contact forms meet UL94 V-0 flammability requirements and deliver equivalent electrical performance for signal applications. Machined contacts (HARTING series) may provide marginally improved contact reliability in high-cycle mating applications; stamped contacts (Amphenol, TE Connectivity) are standard for general-purpose applications.
Q4: Why do some substitutes have unspecified voltage ratings?
Voltage ratings are not provided for certain HARTING parts (09661116503, 09661117503, 09661556513) in the available documentation. These parts are certified to UL94 V-0 and meet all mechanical and thermal requirements. For applications requiring explicit voltage specification, select parts with documented voltage ratings such as the TE Connectivity AMPLIMITE series (125V) or HARTING 09641127235 (100V).
Q5: Is the TE Connectivity 1-747150-4 suitable for new designs?
The TE Connectivity 1-747150-4 is RoHS non-compliant and should not be selected for new product designs subject to RoHS regulations. This part is appropriate only for legacy system maintenance or applications explicitly exempted from RoHS requirements. For all new designs, select RoHS Compliant or ROHS3 Compliant alternatives.
Q6: What packaging options are available for these substitutes?
The L177SDEG09SOL2 is supplied in Tray packaging. Substitutes are available in multiple packaging formats: Tray (TE Connectivity 1-338313-2), Tube (TE Connectivity 1-5747150-3, 1-5747150-4, 1-5747150-6), and Bulk (HARTING series, TE Connectivity 1-747150-4). Packaging selection affects handling, storage, and automated assembly compatibility. Confirm packaging requirements with procurement specifications before finalizing part selection.
Q7: Do all substitutes support the full -55°C to 125°C operating temperature range?
The L177SDEG09SOL2 operates across -55°C to 125°C. Most substitutes support this range; however, the TE Connectivity 1-338313-2 is rated only to 105°C maximum. HARTING 09641127230 and 09641127235 operate to -20°C minimum, which is 35°C higher than the original specification. Verify operating temperature requirements against application specifications before substitution.
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