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L77TSEG09SOL2 Equivalent & Substitute Parts Reference
Part Overview
The L77TSEG09SOL2 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) with board-side M3 flange mounting. The part is currently active in production with 810 units in stock.
Substitute parts are identified when equivalent D-Sub receptacle connectors share the same core electrical and mechanical specifications: 9-position configuration, 2-row layout, Shell Size 1 (DE/E), female socket type, vertical through-hole mounting, and solder termination. Substitutes must maintain compatibility with the same connector interface standard while meeting or exceeding the electrical performance requirements of the original part.
Substiute Parts
Key Parameters
| Parameter | L77TSEG09SOL2 Specification |
|---|---|
| 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 |
| Flange Feature | Board Side (M3) |
| Current Rating (Amps) | 5A |
| Voltage Rating | 600V |
| 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
Substitute parts are grouped based on strict adherence to the following core parameters that define functional equivalence:
Primary Compatibility Criteria:
- 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
Secondary Electrical Parameters:
- Current Rating: Equal to or greater than 5A
- Voltage Rating: Equal to or greater than 600V (where specified)
- Operating Temperature Range: Must encompass or match -55°C ~ 125°C
- Material Flammability Rating: UL94 V-0
Compliance Requirements:
- RoHS Status: RoHS3 Compliant or RoHS Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Variations in flange feature design (Board Side M3, Board Side 4-40, Mating Side Female Screwlock 4-40, Housing/Shell Unthreaded) are permitted when the mounting interface remains mechanically compatible with through-hole PCB assembly. Contact finish variations (Gold Flash, Tin Plated, or unspecified) do not preclude substitution when electrical performance is maintained. Dielectric material composition differences (Thermoplastic Glass Filled, PBT, PCT) are acceptable provided UL94 V-0 rating is maintained.
Parameter Comparison
| Part Number | Manufacturer | Connector Type | Positions | Shell Size | Mounting | Termination | Current (A) | Voltage (V) | Temp Range (°C) | Flange Feature | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L77TSEG09SOL2 | Amphenol ICC | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 5 | 600 | -55 ~ 125 | Board Side (M3) | RoHS Compliant |
| 09641127230 | HARTING | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 7.5 | 100 | -20 ~ 125 | Housing/Shell (Unthreaded) | ROHS3 Compliant |
| 09641127235 | HARTING | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 7.5 | 100 | -20 ~ 125 | Board Side (4-40) | ROHS3 Compliant |
| 09661116503 | HARTING | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 6.5 | Not Specified | -55 ~ 125 | Mating Side, Female Screwlock (4-40) | ROHS3 Compliant |
| 09661117503 | HARTING | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 6.5 | Not Specified | -55 ~ 125 | Mating Side, Female Screwlock (4-40) | ROHS3 Compliant |
| 09661516513 | HARTING | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 6.5 | Not Specified | -55 ~ 125 | Mating Side, Female Screwlock (4-40) | ROHS3 Compliant |
| 09661517513 | HARTING | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 6.5 | Not Specified | -55 ~ 125 | Mating Side, Female Screwlock (4-40) | ROHS3 Compliant |
| 09661556513 | HARTING | Receptacle, Female | 9 | 1 (DE, E) | Through Hole | Solder | 6.5 | Not Specified | -55 ~ 125 | Mating Side, Female Screwlock (4-40) | ROHS3 Compliant |
| 172-E09-213R001 | NorComp Inc. | Receptacle, Female | 9 | 1 (DE, E) | Panel Mount, Through Hole | Solder | 5 | Not Specified | -50 ~ 100 | Housing/Shell (Unthreaded) | ROHS3 Compliant |
| 172-E09-213R021 | NorComp Inc. | Receptacle, Female | 9 | 1 (DE, E) | Panel Mount, Through Hole | Solder | 5A | Not Specified | -50 ~ 100 | Board Side (4-40) | ROHS3 Compliant |
| 172-E09-213R031 | NorComp Inc. | Receptacle, Female | 9 | 1 (DE, E) | Panel Mount, Through Hole | Solder | 5A | Not Specified | -50 ~ 100 | Mating Side (4-40) | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Substitutes (Highest Compatibility):
The HARTING 09661517513 and 09661516513 connectors provide the closest functional equivalence to the L77TSEG09SOL2. Both parts maintain the 9-position D-Sub receptacle configuration with identical Shell Size 1 (DE, E) layout, through-hole solder termination, and operating temperature range of -55°C to 125°C. The current rating of 6.5A exceeds the original specification of 5A. Both parts carry ROHS3 Compliant certification and MSL 1 (Unlimited) rating, matching the compliance profile of the original part. The primary difference is the flange feature configuration (Mating Side Female Screwlock 4-40 versus Board Side M3), which requires mechanical interface verification during design integration.
Secondary Substitutes (Conditional Compatibility):
The HARTING 09641127235 connector maintains core D-Sub receptacle specifications with 9 positions, Shell Size 1 (DE, E), and through-hole solder termination. It provides a higher current rating of 7.5A and Board Side 4-40 flange mounting. However, the voltage rating of 100V is significantly lower than the original 600V specification, and the operating temperature minimum of -20°C does not extend to the original -55°C lower limit. This part is suitable only for applications where the reduced voltage and temperature specifications are acceptable.
Panel Mount Alternatives (Application-Dependent):
The NorComp 172-E09-213R001, 172-E09-213R021, and 172-E09-213R031 connectors are panel mount variants with identical 9-position D-Sub receptacle configuration and Shell Size 1 (DE, E) layout. These parts maintain 5A current rating and ROHS3 Compliant status. However, the operating temperature range of -50°C to 100°C does not fully encompass the original -55°C to 125°C specification. Panel mount configuration requires different PCB layout and mechanical mounting provisions compared to the board-side through-hole design of the L77TSEG09SOL2.
Compliance Verification:
All identified substitute parts carry active product status and ROHS3 Compliant or RoHS Compliant certification. All parts maintain UL94 V-0 material flammability rating and MSL 1 (Unlimited) moisture sensitivity level. ECCN classification remains EAR99 for all parts, and HTSUS code 8536.69.4040 is consistent across all alternatives.
Frequently Asked Questions (FAQ)
Q: Can HARTING 09641127235 replace L77TSEG09SOL2 in all applications?
A: The 09641127235 shares the same 9-position D-Sub receptacle configuration, Shell Size 1 (DE, E) layout, and through-hole solder termination. However, the voltage rating of 100V is lower than the original 600V specification, and the operating temperature minimum of -20°C does not extend to -55°C. Substitution is valid only for applications operating within 100V maximum and -20°C to 125°C temperature range.
Q: What is the difference between Board Side (M3) and Board Side (4-40) flange features?
A: Both are board-side mounting configurations for through-hole PCB assembly. The M3 designation indicates metric M3 screw hole sizing, while 4-40 indicates UNC (Unified National Coarse) thread specification. The mechanical interface differs; verify that your PCB mounting holes match the flange specification of the selected substitute part.
Q: Are HARTING 09661517513 and 09661516513 interchangeable?
A: Both parts share identical electrical specifications (9-position, 6.5A current rating, -55°C to 125°C operating range) and mechanical configuration (Shell Size 1 DE/E, through-hole solder termination, Mating Side Female Screwlock 4-40 flange). The primary difference is packaging: 09661516513 is supplied in Tray packaging, while 09661517513 is supplied in Bulk packaging. Electrical and mechanical performance are equivalent.
Q: Why do some substitute parts not specify voltage rating?
A: Voltage rating is a design parameter provided by the manufacturer. When not specified in the product data, the part may be rated for standard industrial voltage levels. For applications requiring specific voltage compliance, contact the manufacturer directly or refer to detailed technical datasheets. The original L77TSEG09SOL2 specification of 600V should be used as the minimum requirement for voltage-critical applications.
Q: Can NorComp 172-E09-213R031 be used as a direct replacement for L77TSEG09SOL2?
A: The 172-E09-213R031 maintains the 9-position D-Sub receptacle configuration, Shell Size 1 (DE, E) layout, and 5A current rating. However, it is a panel mount connector, requiring different PCB mounting provisions than the board-side through-hole design of the L77TSEG09SOL2. Additionally, the operating temperature range of -50°C to 100°C does not extend to the original -55°C lower limit or 125°C upper limit. Substitution requires mechanical redesign and is valid only for applications within the reduced temperature specification.
Q: What does ROHS3 Compliant mean compared to RoHS Compliant?
A: Both designations indicate compliance with Restriction of Hazardous Substances regulations. ROHS3 refers to the third iteration of the RoHS directive (2011/65/EU as amended by 2015/863/EU), which includes additional restricted substances. RoHS Compliant typically refers to the original or earlier directive versions. ROHS3 Compliant parts meet more stringent environmental standards and are suitable for all applications requiring RoHS compliance.
Q: Are contact finish variations (Gold Flash, Tin Plated) significant for substitution?
A: Contact finish affects corrosion resistance and long-term reliability in specific environmental conditions. Gold Flash provides superior corrosion resistance and is suitable for high-reliability applications. Tin Plated offers adequate performance for standard industrial environments. When substitute parts have different contact finishes, verify that the selected finish meets your application's environmental and reliability requirements. The original L77TSEG09SOL2 specifies Gold Flash contact finish.
Q: What is the significance of MSL 1 (Unlimited) rating?
A: Moisture Sensitivity Level (MSL) 1 (Unlimited) indicates that the component has no moisture sensitivity restrictions and does not require special handling, storage, or baking procedures prior to soldering. All identified substitute parts carry MSL 1 (Unlimited) rating, matching the original part specification and eliminating moisture-related assembly constraints.
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