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L77TSEG09SOL2RM8 Equivalent & Substitute Parts
Part Overview
The L77TSEG09SOL2RM8 is a 9-position D-Sub receptacle connector manufactured by Amphenol ICC, featuring female sockets with vertical solder termination and through-hole mounting. This connector is actively produced and widely used in applications requiring standard D-Sub connectivity with robust mechanical and electrical performance. Substitute parts are identified based on matching core electrical and mechanical parameters: 9-position configuration, DE/E shell size, female socket receptacle type, vertical through-hole mounting, solder termination, and UL94 V-0 flammability rating. Alternative sources become necessary for supply chain optimization, cost management, or regional availability requirements.
Substiute Parts
Key Parameters
| Parameter | L77TSEG09SOL2RM8 Specification |
|---|---|
| Connector Type | D-Sub Receptacle, Female Sockets |
| Number of Positions | 9 |
| Shell Size / Layout | 1 (DE, E) |
| Mounting Type | Through Hole |
| Termination Method | Solder |
| Shell Material / Finish | Steel, Tin Plated |
| Contact Finish | Gold (Flash) |
| Current Rating | 5A |
| Voltage Rating | 600V |
| Operating Temperature Range | -55°C to 125°C |
| Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts are grouped into two categories based on compatibility with the L77TSEG09SOL2RM8:
Category A: Direct Electrical & Mechanical Equivalents These parts maintain all critical parameters: 9-position configuration, DE/E shell size, female socket receptacle, through-hole solder termination, UL94 V-0 rating, and operating temperature range of -55°C to 125°C. Parts in this category differ only in non-critical attributes such as contact material specification, dielectric material composition, or flange feature design. These are suitable for direct substitution in applications where the original part is unavailable.
Category B: Compatible with Parameter Deviations These parts match the core connector architecture (9-position, DE/E, female receptacle, solder termination, UL94 V-0) but deviate in one or more secondary parameters such as current rating, voltage rating, operating temperature range, or mounting configuration. These parts require engineering review to confirm compatibility with specific application requirements.
Key Parameters Determining Substitution:
- 9-position configuration (mandatory)
- DE/E shell size (mandatory)
- Female socket receptacle type (mandatory)
- Through-hole solder termination (mandatory)
- UL94 V-0 flammability rating (mandatory)
- Operating temperature range: -55°C to 125°C preferred
- Current rating: 5A minimum
- Voltage rating: 600V preferred
Parameter Comparison
| Part Number | Manufacturer | Positions | Shell Size | Connector Type | Mounting | Termination | Current (A) | Voltage (V) | Temp Range (°C) | Contact Finish | Flammability | RoHS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L77TSEG09SOL2RM8 | Amphenol ICC | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 5 | 600 | -55 to 125 | Gold (Flash) | UL94 V-0 | Compliant |
| 09641127230 | HARTING | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 7.5 | 100 | -20 to 125 | — | UL94 V-0 | ROHS3 |
| 09641127235 | HARTING | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 7.5 | 100 | -20 to 125 | — | UL94 V-0 | ROHS3 |
| 09661116503 | HARTING | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 6.5 | — | -55 to 125 | — | UL94 V-0 | ROHS3 |
| 09661117503 | HARTING | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 6.5 | — | -55 to 125 | — | UL94 V-0 | ROHS3 |
| 09661516513 | HARTING | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 6.5 | — | -55 to 125 | — | UL94 V-0 | ROHS3 |
| 09661517513 | HARTING | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 6.5 | — | -55 to 125 | — | UL94 V-0 | ROHS3 |
| 09661556513 | HARTING | 9 | DE, E | Receptacle, Female | Through Hole | Solder | 6.5 | — | -55 to 125 | Gold | UL94 V-0 | ROHS3 |
| 172-E09-213R001 | NorComp Inc. | 9 | DE, E | Receptacle, Female | Panel Mount, Through Hole | Solder | 5 | — | -50 to 100 | Gold (Flash) | UL94 V-0 | ROHS3 |
| 172-E09-213R021 | NorComp Inc. | 9 | DE, E | Receptacle, Female | Panel Mount, Through Hole | Solder | 5A | — | -50 to 100 | Gold (Flash) | UL94 V-0 | ROHS3 |
| 172-E09-213R031 | NorComp Inc. | 9 | DE, E | Receptacle, Female | Panel Mount, Through Hole | Solder | 5A | — | -50 to 100 | Gold (Flash) | UL94 V-0 | ROHS3 |
Engineering Selection Recommendations
HARTING 09661116503, 09661117503, 09661516513, 09661517513: These parts maintain the critical operating temperature range of -55°C to 125°C and current rating of 6.5A, which exceeds the L77TSEG09SOL2RM8 requirement of 5A. All carry ROHS3 compliance and UL94 V-0 rating. These are suitable for direct substitution in applications where voltage rating is not a limiting factor.
HARTING 09661556513: This part includes gold contact finish matching the L77TSEG09SOL2RM8, maintains the -55°C to 125°C operating range, and carries ROHS3 compliance with UL94 V-0 rating. The 6.5A current rating exceeds application requirements. This part is suitable for direct substitution.
HARTING 09641127230, 09641127235: These parts deviate in operating temperature range (-20°C to 125°C versus -55°C to 125°C) and voltage rating (100V versus 600V). Use only in applications where the reduced temperature range and lower voltage rating are acceptable.
NorComp 172-E09-213R001, 172-E09-213R021, 172-E09-213R031: These parts feature panel mount capability in addition to through-hole mounting and maintain gold contact finish with UL94 V-0 and ROHS3 compliance. Operating temperature range is -50°C to 100°C, which is narrower than the L77TSEG09SOL2RM8. Current rating matches at 5A. These are suitable for applications where the reduced temperature range is acceptable and panel mounting capability is beneficial or neutral.
Frequently Asked Questions (FAQ)
Q: Can HARTING 09641127230 or 09641127235 be used as direct replacements? A: These parts match the core 9-position DE/E receptacle configuration and solder termination. However, they operate at -20°C to 125°C versus the L77TSEG09SOL2RM8 range of -55°C to 125°C, and carry a 100V voltage rating versus 600V. Use only if your application does not require operation below -20°C and operates at voltages below 100V.
Q: What is the difference between HARTING parts 09661116503, 09661117503, 09661516513, and 09661517513? A: All four parts share identical electrical specifications: 9-position, DE/E shell, 6.5A current, -55°C to 125°C operating range, and UL94 V-0 rating. Differences exist in flange features and packaging. 09661516513 includes board lock feature and tray packaging. 09661117503 and 09661517513 include board lock. 09661116503 lacks board lock. Select based on your mechanical mounting requirements.
Q: How does HARTING 09661556513 differ from other HARTING substitutes? A: The 09661556513 is the only HARTING substitute that includes gold contact finish, matching the L77TSEG09SOL2RM8. It maintains the -55°C to 125°C operating range, 6.5A current rating, and includes board lock feature. This part is the closest electrical and mechanical equivalent among HARTING options.
Q: Are NorComp parts suitable substitutes? A: NorComp 172-E09-213R001, 172-E09-213R021, and 172-E09-213R031 maintain the 9-position DE/E configuration, 5A current rating, and gold contact finish. They carry ROHS3 compliance and UL94 V-0 rating. The operating temperature range is -50°C to 100°C, which is narrower than the L77TSEG09SOL2RM8. These parts are suitable if your application does not require operation below -50°C or above 100°C. All three NorComp parts support panel mount in addition to through-hole mounting.
Q: What is the significance of the contact finish specification? A: The L77TSEG09SOL2RM8 specifies gold flash contact finish for enhanced corrosion resistance and signal integrity. HARTING 09661556513 and all NorComp parts (172-E09-213R001, 172-E09-213R021, 172-E09-213R031) include gold contact finish. Other HARTING substitutes do not specify contact finish. If contact finish is critical to your application, select parts with explicit gold specification.
Q: Can I use a substitute with higher current rating? A: Yes. HARTING parts 09661116503, 09661117503, 09661516513, 09661517513, and 09661556513 all carry 6.5A current rating, which exceeds the L77TSEG09SOL2RM8 requirement of 5A. Higher current rating provides additional design margin and is compatible with applications designed for 5A operation.
Q: What packaging options are available? A: The L77TSEG09SOL2RM8 is supplied in tray packaging. HARTING 09641127230, 09641127235, 09661116503, 09661117503, 09661517513, and 09661556513 are supplied in bulk packaging. HARTING 09661516513 and all NorComp parts are supplied in tray packaging. Verify packaging requirements with your procurement process.
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