Equivalent & Substitute Parts for L77DFE09P

Part Overview

The L77DFE09P is a 9-position D-Sub plug connector manufactured by Amphenol ICC (Commercial Products). This panel mount connector features male pins with solder cup termination and is designed for signal applications. The part maintains active product status with 807 units in current inventory. Substitute parts are identified for applications requiring alternative sourcing, legacy component replacement, or specific mounting configuration requirements while maintaining core electrical and mechanical compatibility within the D-Sub connector category.

Substiute Parts

L77DFE09P

Amphenol ICC (Commercial Products)In Stock: 896L77DFE09P Datasheet

Current PartRFQ

172-009-102R011

NorComp Inc.In Stock: 1081172-009-102R011 Datasheet

SimilarRFQ

172-009-102R031

NorComp Inc.In Stock: 3787172-009-102R031 Datasheet

SimilarRFQ

DEP09P065TXLF

Amphenol ICC (FCI)In Stock: 1633DEP09P065TXLF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the L77DFE09P are identified based on strict alignment with core electrical and mechanical parameters. All substitute candidates maintain the following critical specifications:

Core Compatibility Parameters:

• Connector style: D-Sub
• Connector type: Plug, Male Pins
• Position count: 9
• Row configuration: 2
• Shell size and layout: 1 (DE, E)
• Termination method: Solder Cup
• Shell material and finish: Steel, Tin Plated
• Contact finish: Gold
• Material flammability: UL94 V-0
• Contact material: Brass or Copper Alloy

Substitution Constraints: Substitute parts may differ in mounting type (panel mount versus free hanging), contact finish thickness, current rating, voltage rating, operating temperature range, and product status. These variations are documented to enable informed selection based on specific application requirements. Parts with obsolete status are included due to existing inventory availability and functional equivalence within the specified parameter set.

Parameter Comparison

Engineering Selection Recommendations

L77DFE09P (Primary Part): Select this part for new designs and applications requiring active product status with full manufacturer support. This connector is suitable for applications operating within -55°C to 155°C temperature range and requiring 7.5A current capacity at 300V. RoHS compliance is confirmed.

172-009-102R011 (NorComp): This substitute is available for legacy system replacement where panel mount configuration is required. Product status is obsolete; selection is appropriate only when existing inventory must be maintained or when sourcing from alternative manufacturers is necessary. Current rating is reduced to 5A. Operating temperature range is limited to -50°C to 100°C. ROHS3 compliance is confirmed.

172-009-102R031 (NorComp): This substitute is available for legacy system replacement where panel mount configuration with mating side flange is required. Product status is obsolete; selection is appropriate only when existing inventory must be maintained or when sourcing from alternative manufacturers is necessary. Current rating is reduced to 5A. Operating temperature range is limited to -50°C to 100°C. ROHS3 compliance is confirmed. Inventory availability is highest among substitute options at 3677 units.

DEP09P065TXLF (Amphenol ICC): Select this part for applications requiring free hanging (in-line) mounting configuration instead of panel mount. This connector maintains active product status and is suitable for applications requiring higher voltage rating (1000V) and extended operating temperature range (-55°C to 125°C). Current rating matches the primary part at 7.5A. Contact finish thickness is increased to 30.0µin. RoHS compliance is confirmed.

Frequently Asked Questions (FAQ)

Q: Can 172-009-102R011 or 172-009-102R031 be used as direct replacements for L77DFE09P in new designs?

A: No. Both NorComp parts carry obsolete product status. They are suitable only for legacy system maintenance or replacement scenarios where existing inventory must be preserved. For new designs, use L77DFE09P or DEP09P065TXLF, both of which maintain active product status.

Q: What is the primary difference between 172-009-102R011 and 172-009-102R031?

A: Both parts are 9-position D-Sub plugs from NorComp with identical electrical specifications. The difference is in flange feature: 172-009-102R011 has cable side (4-40) flange, while 172-009-102R031 has mating side (4-40) flange. Selection depends on mechanical mounting requirements.

Q: Why does DEP09P065TXLF have a higher voltage rating (1000V) than L77DFE09P (300V)?

A: Voltage rating is determined by dielectric material properties and connector design. DEP09P065TXLF is specified for 1000V applications. This higher rating does not affect compatibility with 300V applications; it indicates the part is suitable for higher voltage environments.

Q: Can L77DFE09P be used in applications requiring free hanging (in-line) mounting?

A: No. L77DFE09P is specified for panel mount only. For free hanging (in-line) mounting, use DEP09P065TXLF, which is designed for this configuration.

Q: What is the significance of contact finish thickness differences?

A: Contact finish thickness affects durability and wear resistance. L77DFE09P specifies 20.0µin (0.51µm), NorComp parts specify flash thickness, and DEP09P065TXLF specifies 30.0µin (0.76µm). Thicker finishes provide extended contact life in high-cycle mating applications.

Q: Are all substitute parts RoHS compliant?

A: Yes. L77DFE09P and DEP09P065TXLF are RoHS Compliant. NorComp parts (172-009-102R011 and 172-009-102R031) are ROHS3 Compliant. All parts meet RoHS requirements.

Q: What is the impact of reduced current rating in NorComp substitutes?

A: NorComp parts are rated for 5A maximum current, compared to 7.5A for Amphenol ICC parts. Applications requiring current capacity above 5A must use L77DFE09P or DEP09P065TXLF. Verify actual circuit current requirements before selecting NorComp alternatives.

Q: Why is operating temperature range different across substitute parts?

A: Operating temperature range is determined by dielectric material and component design. L77DFE09P supports -55°C to 155°C, NorComp parts support -50°C to 100°C, and DEP09P065TXLF supports -55°C to 125°C. Select based on application temperature requirements.