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L77SDE09SOL2GC309
Part Overview
The L77SDE09SOL2GC309 is a 9-position D-Sub receptacle connector manufactured by Amphenol ICC, designed for through-hole solder termination. This component features female socket contacts with a DE/E shell size (1), supporting signal-level applications with a 250V rating and 3A current capacity. The connector operates across an extended temperature range of -55°C to 125°C and maintains RoHS compliance with UL94 V-0 flammability rating. Finding equivalent substitutes is necessary to ensure design flexibility, supply chain resilience, and compatibility with evolving manufacturing standards.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Receptacle, Female Sockets |
| Number of Positions | 9 |
| Shell Size, Connector Layout | 1 (DE, E) |
| Mounting Type | Through Hole |
| Termination Method | Solder |
| Flange Feature | Housing/Shell (Unthreaded) |
| Current Rating | 3A |
| Voltage Rating | 250V |
| Operating Temperature Range | -55°C ~ 125°C |
| Flammability Rating | UL94 V-0 |
| Contact Material | Phosphor Bronze |
| Contact Finish | Gold (30.0µin / 0.76µm) |
| Shell Material, Finish | Steel, Tin Plated |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for D-Sub receptacle connectors is determined by alignment in the following critical parameters:
- Connector Configuration: 9-position female socket receptacle, DE/E shell size (1), through-hole mounting
- Termination Method: Solder termination for PCB integration
- Flange Type Compatibility: Housing-mounted or mating-side variants acceptable based on application footprint requirements
- Electrical Ratings: Current capacity, voltage withstand, and operating temperature range must meet or exceed application demands
- Compliance Requirements: RoHS, UL94 V-0 flammability, and moisture sensitivity level (MSL-1) standards
All substitute parts listed maintain the core 9-position receptacle configuration and solder termination method. Variations in flange design, contact material composition, and dielectric materials are acceptable provided the electrical and mechanical interface remains compatible with standard D-Sub header pins.
Parameter Comparison
| Part Number | Manufacturer | Positions | Shell Size | Flange Feature | Termination | Current Rating (A) | Voltage Rating (V) | Operating Temp (°C) | Contact Finish | Contact Material | Flammability Rating | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L77SDE09SOL2GC309 | Amphenol ICC | 9 | 1 (DE, E) | Housing/Shell (Unthreaded) | Solder | 3.0 | 250 | -55 ~ 125 | Gold (30.0µin) | Phosphor Bronze | UL94 V-0 | RoHS Compliant |
| 09641127230 | HARTING | 9 | 1 (DE, E) | Housing/Shell (Unthreaded) | Solder | 7.5 | 100 | -20 ~ 125 | Not specified | Copper Alloy | UL94 V-0 | ROHS3 Compliant |
| 09641127235 | HARTING | 9 | 1 (DE, E) | Board Side (4-40) | Solder | 7.5 | 100 | -20 ~ 125 | Not specified | Copper Alloy | UL94 V-0 | ROHS3 Compliant |
| 09661116503 | HARTING | 9 | 1 (DE, E) | Mating Side, Female Screwlock (4-40) | Solder | 6.5 | Not specified | -55 ~ 125 | Not specified | Copper Alloy | UL94 V-0 | ROHS3 Compliant |
| 09661117503 | HARTING | 9 | 1 (DE, E) | Mating Side, Female Screwlock (4-40) | Solder | 6.5 | Not specified | -55 ~ 125 | Not specified | Copper Alloy | UL94 V-0 | ROHS3 Compliant |
| 09661556513 | HARTING | 9 | 1 (DE, E) | Mating Side, Female Screwlock (4-40) | Solder | 6.5 | Not specified | -55 ~ 125 | Gold | Copper Alloy | UL94 V-0 | ROHS3 Compliant |
| 1-338313-2 | TE Connectivity AMP Connectors | 9 | 1 (DE, E) | Housing/Shell (4-40) | Solder | 6.0 | Not specified | -55 ~ 105 | Gold | Phosphor Bronze | UL94 V-0 | ROHS3 Compliant |
| 1-5747150-3 | TE Connectivity AMP Connectors | 9 | 1 (DE, E) | Mating Side, Female Screwlock (4-40) | Solder | 6.0 | 125 | -55 ~ 105 | Gold (Flash) | Phosphor Bronze | UL94 V-0 | ROHS3 Compliant |
| 1-5747150-4 | TE Connectivity AMP Connectors | 9 | 1 (DE, E) | Mating Side, Female Screwlock (4-40) | Solder | 6.0 | 125 | -55 ~ 105 | Gold (30.0µin) | Phosphor Bronze | UL94 V-0 | RoHS Compliant |
| 1-5747150-6 | TE Connectivity AMP Connectors | 9 | 1 (DE, E) | Mating Side, Female Screwlock (4-40) | Solder | 6.0 | 125 | -55 ~ 105 | Gold (30.0µin) | Phosphor Bronze | UL94 V-0 | RoHS Compliant |
| 1-747150-4 | TE Connectivity AMP Connectors | 9 | 1 (DE, E) | Mating Side, Female Screwlock (4-40) | Solder | 6.0 | 125 | -55 ~ 105 | Gold (30.0µin) | Phosphor Bronze | UL94 V-0 | RoHS non-compliant |
Engineering Selection Recommendations
Direct Substitutes with Housing Flange (Unthreaded)
09641127230 from HARTING maintains the unthreaded housing flange design matching the original L77SDE09SOL2GC309 footprint. This part supports a higher current capacity (7.5A versus 3A), though operates at reduced voltage rating (100V versus 250V) and minimum operating temperature (-20°C versus -55°C). ROHS3 compliance status and active product status make it suitable for standard applications where the thermal floor requirement is relaxed.
Substitutes with Screwlock Flange (4-40 Mating Side)
HARTING 09661116503, 09661117503, and 09661556513 provide mating-side female screwlock flange designs. These configurations are mechanically and electrically compatible when the PCB footprint accommodates 4-40 screwlock mounting. All three maintain the -55°C to 125°C temperature range and ROHS3 compliance. The 09661556513 variant includes gold contact finish and board lock features for enhanced environmental stability.
TE Connectivity AMPLIMITE Series Alternatives
1-338313-2 (AMPLIMITE HDP-20) features a housing-mounted 4-40 flange and gold-plated phosphor bronze contacts, providing mechanical retention during assembly. The part supports 6A current and maintains ROHS3 compliance, though maximum operating temperature is reduced to 105°C. The 1-5747150-3, 1-5747150-4, 1-5747150-6, and 1-747150-4 variants from the AMPLIMITE HD-20 series employ mating-side screwlock flanges with phosphor bronze contacts identical to the original part material. Current-rated at 6A with 125V voltage rating and operating range of -55°C to 105°C, these substitutes maintain electrical and environmental compatibility except for the upper temperature limit.
RoHS Compliance Consideration
Select 1-5747150-4, 1-5747150-6, or 1-338313-2 for RoHS or ROHS3 compliant designs. The 1-747150-4 variant is RoHS non-compliant and is restricted in applications requiring regulatory compliance certification.
Frequently Asked Questions (FAQ)
Q: Can I substitute the L77SDE09SOL2GC309 with a HARTING 09641127230?
A: Yes, the 09641127230 is mechanically and electrically compatible for most applications. Both connectors feature 9-position receptacle configuration, DE/E shell size (1), and unthreaded housing flange designs. The HARTING part supports higher current capacity (7.5A) but operates at reduced voltage (100V) and minimum temperature (-20°C versus -55°C). Applications requiring operation below -20°C or above 100V require verification of the HARTING part specifications against design requirements.
Q: What is the difference between housing flange and screwlock flange designs?
A: Housing flange (unthreaded) designs mount directly to the PCB without mechanical fastening, providing a compact footprint suitable for standard board edge applications. Screwlock flange (4-40) designs attach via threaded fasteners, offering enhanced mechanical retention and vibration resistance in high-shock or high-vibration environments. Both designs maintain electrical compatibility with standard D-Sub header pins.
Q: Are all substitute parts backward compatible with the original L77SDE09SOL2GC309?
A: All listed substitutes maintain the 9-position receptacle configuration, DE/E shell size, and solder termination method, ensuring signal connectivity compatibility. However, flange geometry variations (unthreaded housing versus 4-40 screwlock) require PCB layout verification. Electrical parameter variations, particularly voltage rating and operating temperature range, must be validated against application requirements before substitution.
Q: Which substitute part is most suitable for extended temperature operation?
A: The original L77SDE09SOL2GC309 and HARTING variants (09661116503, 09661117503, 09661556513) support the full -55°C to 125°C operating range. TE Connectivity AMPLIMITE series parts (1-338313-2, 1-5747150-3, 1-5747150-4, 1-5747150-6, 1-747150-4) are rated to 105°C maximum, which is acceptable for applications not requiring the upper temperature extension.
Q: Does contact finish (gold plating) affect electrical performance or mechanical compatibility?
A: Contact finish provides corrosion resistance and signal integrity without affecting mechanical mating compatibility. Gold-plated contacts (30.0µin specification) on the original part and certain substitutes (09661556513, 1-5747150-4, 1-5747150-6, 1-338313-2) improve long-term reliability in environmental conditions involving moisture or corrosive atmospheres. Phosphor bronze contact material is preserved across all substitutes, maintaining consistent electrical contact characteristics.
Q: What packaging options are available for these D-Sub 9-position receptacles?
A: The original L77SDE09SOL2GC309 is supplied in trays (653 pieces in stock). HARTING substitutes are supplied in bulk packaging, while TE Connectivity AMPLIMITE alternatives are available in trays (1-338313-2) or tubes (1-5747150-3, 1-5747150-4, 1-5747150-6), with bulk packaging available for 1-747150-4. Packaging selection does not affect electrical or mechanical performance.
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