L77DFEF09SMP10 Equivalent & Substitute Parts

Part Overview

The L77DFEF09SMP10 is a 9-position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products). This connector features female sockets with solder termination, designed for signal applications in industrial and commercial equipment. The part is currently active in production with 1126 units in stock.

Substitute parts are identified when equivalent D-Sub receptacle connectors share the same connector style, position count, shell size, and core electrical ratings while maintaining compatibility with the intended application. Alternative models may be required due to packaging availability, termination method preferences, or specific operational temperature requirements.

Substiute Parts

L77DFEF09SMP10

Amphenol ICC (Commercial Products)In Stock: 1184L77DFEF09SMP10 Datasheet

Current PartRFQ

DEP09S064TLF

Amphenol ICC (FCI)In Stock: 1314DEP09S064TLF Datasheet

SimilarRFQ

DEP09S065TLF

Amphenol ICC (FCI)In Stock: 1147DEP09S065TLF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the L77DFEF09SMP10 are qualified based on the following critical parameters that determine functional equivalence:

Core Compatibility Parameters:

• Connector Style: D-Sub
• Connector Type: Receptacle, Female Sockets
• Number of Positions: 9
• Number of Rows: 2
• Shell Size, Connector Layout: 1 (DE, E)
• Contact Type: Signal
• Shell Material, Finish: Steel, Tin Plated
• Contact Material: Copper Alloy
• Material Flammability Rating: UL94 V-0
• RoHS Status: RoHS Compliant

Electrical Compatibility Parameters:

• Current Rating (Amps): 7.5A minimum
• Voltage Rating: 300V minimum
• Contact Finish: Gold

The identified substitute parts DEP09S064TLF and DEP09S065TLF meet all core compatibility parameters. Both are 9-position D-Sub receptacle connectors with identical shell size, contact configuration, and material specifications. Differences in termination method (solder cup versus solder), contact finish thickness, and operating temperature range represent design variations that do not preclude substitution when application requirements are satisfied.

Parameter Comparison

Engineering Selection Recommendations

L77DFEF09SMP10 Primary Selection: The L77DFEF09SMP10 is the primary part specification. It is active in production with established supply (1126 units in stock). This connector is RoHS compliant and rated for UL94 V-0 flammability. The operating temperature range extends to 155°C, providing thermal margin for high-temperature applications. The 300V voltage rating is suitable for standard signal applications.

DEP09S064TLF Substitution Criteria: The DEP09S064TLF is an active substitute with equivalent mechanical and electrical compatibility. This part is supplied in tray packaging and features solder cup termination. The voltage rating of 1000V exceeds the primary part specification, providing additional electrical margin. The operating temperature range is limited to 125°C. This part is suitable for applications where higher voltage tolerance is required and operating temperatures do not exceed 125°C. Inventory availability is 1234 units.

DEP09S065TLF Substitution Criteria: The DEP09S065TLF is an active substitute with equivalent mechanical and electrical compatibility. This part is supplied in bulk packaging and features solder cup termination with 30.0µin contact finish thickness. The voltage rating of 1000V exceeds the primary part specification. The operating temperature range is limited to 125°C. This part is suitable for applications where higher voltage tolerance is required and operating temperatures do not exceed 125°C. Inventory availability is 1069 units.

All three parts are RoHS compliant, carry MSL 1 (Unlimited) moisture sensitivity rating, and share identical connector geometry and contact configuration. Selection between these parts depends on packaging requirements, termination method preference, and application temperature limits.

Frequently Asked Questions (FAQ)

Q: Can DEP09S064TLF or DEP09S065TLF be used as direct replacements for L77DFEF09SMP10?

A: Yes, both DEP09S064TLF and DEP09S065TLF are functionally equivalent substitutes for the L77DFEF09SMP10 in applications where the operating temperature does not exceed 125°C. All three connectors share identical shell size (1 DE/E), position count (9), row configuration (2), contact type (signal), and material specifications (steel tin-plated shell, copper alloy contacts, gold finish). The substitute parts provide equal or greater electrical performance with 1000V voltage rating compared to the primary part's 300V rating.

Q: What is the difference between solder termination and solder cup termination?

A: The L77DFEF09SMP10 uses solder termination, while DEP09S064TLF and DEP09S065TLF use solder cup termination. Both methods create permanent electrical connections through solder. Solder cup termination features a cup-shaped contact designed to accept stranded wire, while standard solder termination typically accommodates wire leads directly. The choice between these termination methods depends on wire gauge, assembly process, and equipment compatibility.

Q: Are there temperature limitations when substituting these parts?

A: Yes. The L77DFEF09SMP10 operates from -55°C to 155°C, while both substitute parts (DEP09S064TLF and DEP09S065TLF) operate from -55°C to 125°C. If the application requires sustained operation above 125°C, the L77DFEF09SMP10 is the required selection. For applications with maximum operating temperatures at or below 125°C, the substitute parts are fully compatible.

Q: What packaging options are available?

A: The L77DFEF09SMP10 is supplied in standard packaging (not specified in detail). The DEP09S064TLF is supplied in tray packaging, and the DEP09S065TLF is supplied in bulk packaging. Packaging selection affects handling, storage, and assembly processes. Verify packaging compatibility with receiving and assembly procedures before part selection.

Q: Do all three parts meet RoHS compliance requirements?

A: Yes. The L77DFEF09SMP10, DEP09S064TLF, and DEP09S065TLF are all RoHS compliant. All three parts carry UL94 V-0 flammability rating and MSL 1 (Unlimited) moisture sensitivity level, indicating equivalent environmental and regulatory compliance.

Q: What is the voltage rating difference, and does it affect substitution?

A: The L77DFEF09SMP10 is rated for 300V, while both substitute parts are rated for 1000V. The higher voltage rating of the substitute parts provides additional electrical margin and does not create compatibility issues in applications designed for 300V operation. Substitution is valid when application voltage requirements do not exceed 300V.

Q: Are the contact finish specifications equivalent?

A: All three parts feature gold contact finish. The L77DFEF09SMP10 specifies 20.0µin (0.51µm) thickness. The DEP09S064TLF specifies flash thickness, and the DEP09S065TLF specifies 30.0µin (0.76µm) thickness. These variations in gold plating thickness do not affect functional compatibility for signal applications. The DEP09S065TLF provides the thickest gold layer, offering enhanced contact durability.