L77DFE09SAM4RM6VF D-Sub 9 Position Receptacle Connector - Equivalent & Substitute Parts

Part Overview

The L77DFE09SAM4RM6VF is a 9 Position D-Sub Receptacle with female sockets manufactured by Amphenol ICC (Commercial Products). This connector is configured as a right-angle, panel-mount through-hole component with solder termination. The part is active in production status and maintains high inventory availability (1115 pcs in stock). Equivalent and substitute parts are identified for applications requiring alternative sourcing, stock replenishment, or design flexibility while maintaining functional compatibility within specified electrical and mechanical parameters.

Key Parameters

Parameter	L77DFE09SAM4RM6VF
Manufacturer	Amphenol ICC (Commercial Products)
Series	DF
Connector Type	Receptacle, Female Sockets
Number of Positions	9
Shell Size / Connector Layout	1 (DE, E)
Mounting Type	Panel Mount, Through Hole, Right Angle
Termination	Solder
Current Rating (Amps)	7.5A
Voltage Rating	300V
Operating Temperature Range	-55°C to 125°C
RoHS Status	RoHS Compliant
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution eligibility for D-Sub 9 position receptacle connectors is determined by the following critical parameters:

Connector Configuration: 9 positions, D-Sub style, receptacle type with female sockets
Shell Size & Layout: 1 (DE, E) standard D-Sub configuration
Mounting & Termination: Right-angle orientation with solder termination
Electrical Performance: Current rating, voltage rating, and operating temperature range
Compliance & Environmental: RoHS status, flammability rating (UL94 V-0), contact finish material
Backset Spacing: Standardized at 0.318–0.319 inches (8.08–8.10 mm) for contact alignment

All substitute parts listed below maintain the core connector configuration (9-position D-Sub receptacle, right-angle, solder termination) and share equivalent or superior electrical performance within the specified parameter ranges.

Parameter Comparison

Parameter	L77DFE09SAM4RM6VF	182-009-213R531	5745131-1	5745394-2	5745395-2	5748979-1	DEM09S732N
Manufacturer	Amphenol ICC (Commercial Products)	NorComp Inc.	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	Amphenol ICC (FCI)
Connector Type	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets
Number of Positions	9	9	9	9	9	9	9
Shell Size / Connector Layout	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)
Mounting Type	Panel Mount, Through Hole, Right Angle	Panel Mount, Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Current Rating (Amps)	7.5A	5A	6A	6A	6A	Not Specified	7.5A per Contact
Voltage Rating	300V	Not Specified	125V	125V	125V	125V	300V
Operating Temperature Range	-55°C to 125°C	-55°C to 105°C	-55°C to 105°C	-55°C to 105°C	-55°C to 105°C	-55°C to 105°C	-55°C to 155°C
Contact Finish	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

L77DFE09SAM4RM6VF (Primary Part) This connector provides the highest current rating (7.5A) and voltage rating (300V) among all options listed. RoHS compliance and UL94 V-0 flammability rating are confirmed. Operating temperature range extends to 125°C. High stock availability (1115 pcs) supports production requirements. Recommended for applications requiring maximum electrical headroom and extended temperature stability.

DEM09S732N (Amphenol ICC / FCI) Direct electrical equivalent to L77DFE09SAM4RM6VF with identical 7.5A current rating and 300V voltage rating. Operating temperature range extends to 155°C, exceeding the primary part. RoHS Compliant with UL94 V-0 certification. Suitable for high-temperature applications. Stock inventory (909 pcs) supports alternative sourcing.

5745395-2 (TE Connectivity AMPLIMITE HD-20) TE Connectivity equivalent with 6A current rating and 125V voltage rating. RoHS Compliant with UL94 V-0 certification. Features mating side female screwlock (4-40) flange. Operating temperature range -55°C to 105°C. Stock availability (879 pcs). Acceptable for applications not requiring the full 300V rating and 7.5A current capacity.

5745394-2 (TE Connectivity AMPLIMITE HD-20) Functionally equivalent to 5745395-2 with 6A current rating and 125V voltage rating. Housing/shell mounting with 4-40 fasteners. RoHS3 Compliant with UL94 V-0 certification. Operating temperature range -55°C to 105°C. Stock inventory (927 pcs).

5745131-1 (TE Connectivity AMPLIMITE HD-20) TE Connectivity option with 6A current rating and 125V voltage rating. Housing/shell unthreaded mounting. RoHS3 Compliant with UL94 V-0 certification. Phosphor bronze contact material. Operating temperature range -55°C to 105°C. Stock availability (4719 pcs—highest inventory among TE options).

182-009-213R531 (NorComp Inc.) NorComp equivalent with 5A current rating and unspecified voltage rating. Housing/shell mounting with nickel-plated steel finish. ROHS3 Compliant with UL94 V-0 certification. Operating temperature range limited to -55°C to 105°C. Highest stock availability (7246 pcs) among all substitute options. Suitable for applications within 5A current requirements.

5748979-1 (TE Connectivity AMPLIMITE HD-20) TE Connectivity variant with unspecified current rating and 125V voltage rating. Features board lock and mating side female screwlock (4-40). RoHS Compliant with UL94 V-0 certification. Operating temperature range -55°C to 105°C. Stock inventory (1791 pcs). Current rating specification required before selection.

Frequently Asked Questions (FAQ)

Q: Can I substitute DEM09S732N for L77DFE09SAM4RM6VF without design modification? A: DEM09S732N is electrically equivalent with matching 7.5A current rating and 300V voltage rating. Shell size and connector layout are identical (1 DE, E). Both employ solder termination and right-angle mounting. The primary difference is operating temperature range extension (155°C vs. 125°C) and different shell finish material. Mechanical compatibility and flange interface specifications must be verified for your specific mounting application.

Q: What is the lowest-cost substitute for high-volume applications? A: 182-009-213R531 (NorComp Inc.) offers the highest stock availability (7246 pcs) at 5A current rating. This part is suitable if your application current requirement does not exceed 5A. If higher current (6–7.5A) is required, 5745131-1 (TE Connectivity) provides the next-best inventory position (4719 pcs) at 6A rating.

Q: Why do some parts list different voltage ratings (125V vs. 300V)? A: Voltage rating is determined by the dielectric strength of the connector housing material and contact-to-contact spacing. TE Connectivity AMPLIMITE HD-20 series connectors are specified at 125V, while Amphenol ICC commercial products (L77DFE09SAM4RM6VF and DEM09S732N) achieve 300V through different dielectric material formulations. Selection depends on your circuit voltage requirements.

Q: Are all substitutes RoHS compliant? A: All listed parts are RoHS compliant (RoHS or ROHS3). The main part (L77DFE09SAM4RM6VF) and DEM09S732N are RoHS Compliant; TE Connectivity parts (5745131-1, 5745394-2) are ROHS3 Compliant; 5745395-2 and 5748979-1 are RoHS Compliant; 182-009-213R531 is ROHS3 Compliant. All meet current RoHS exemption and substance restriction requirements.

Q: What are the mounting differences between these connectors? A: L77DFE09SAM4RM6VF and 182-009-213R531 are Panel Mount through-hole variants. TE Connectivity parts (5745131-1, 5745394-2, 5745395-2, 5748979-1) and DEM09S732N are specified as Through Hole, Right Angle (non-panel-mount). Flange interfaces vary: mating side female screwlock (4-40), housing/shell unthreaded, or housing/shell threaded (4-40). Confirm your PCB cutout and mounting bracket compatibility before substitution.

Q: Which substitute supports the highest operating temperature? A: DEM09S732N supports -55°C to 155°C, the widest temperature range among all options. L77DFE09SAM4RM6VF (primary part) supports -55°C to 125°C. All other substitutes are rated -55°C to 105°C. Select DEM09S732N for applications with elevated environmental or operating temperature requirements above 125°C.

Q: Is backset spacing identical across all parts? A: Yes. All parts maintain backset spacing between 0.318 inches (8.08 mm) and 0.319 inches (8.10 mm), ensuring mechanical compatibility with standard 9-position D-Sub socket patterns.

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