L77DEG09SOL2RM5

Part Overview

The L77DEG09SOL2RM5 is a 9-position D-Sub receptacle connector manufactured by Amphenol ICC, designed for through-hole solder termination applications. This connector features female sockets with a DE/E shell size (Size 1), suitable for signal transmission in industrial and commercial equipment. The product is currently active and in stock (775 units available).

Identifying equivalent and substitute parts is necessary when the primary component becomes unavailable, when alternative sourcing reduces lead times, or when design requirements permit substitution within defined electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	L77DEG09SOL2RM5
Connector Type	D-Sub Receptacle, Female Sockets
Number of Positions	9
Shell Size, Connector Layout	1 (DE, E)
Mounting Type	Through Hole
Termination	Solder
Flange Feature	Board Side (M3)
Shell Material, Finish	Steel, Tin Plated
Contact Finish	Gold
Contact Form	Machined
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature Range	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts are classified based on their compatibility within the following critical parameters:

Core Electrical Parameters:

9-position, 2-row configuration in DE/E shell size (Size 1)
Receptacle connector with female sockets
Solder termination method
Through-hole mounting requirement

Mechanical Parameters:

Flange feature configuration (Board Side or Housing/Shell)
Contact form type (Machined vs. Stamped)
Current rating (minimum 5A for comparable operation)
Material and shell finish specifications

Environmental & Compliance Parameters:

UL94 V-0 flammability rating
Operating temperature range compatibility
RoHS/ROHS3 compliance status

Substitutes are grouped into three categories:

Category A (Full Board-Side Equivalents): Parts with board-side flange features and machined contacts, maintaining closest electrical and mechanical compatibility.

Category B (Panel Mount Variants): Parts designed for panel mounting with board-side holes, offering mechanical differences but compatible electrical performance in specific applications.

Category C (Mating-Side Screwlock Variants): Parts featuring mating-side female screwlock flanges instead of board-side configuration, suitable for applications requiring enhanced connector stability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Connector Type	Positions	Mounting Type	Flange Feature	Contact Form	Shell Material, Finish	Contact Finish	Current Rating (A)	Voltage Rating (V)	Operating Temp (°C)	RoHS Status	Inventory
L77DEG09SOL2RM5	Amphenol ICC	Receptacle, Female	9	Through Hole	Board Side (M3)	Machined	Steel, Tin Plated	Gold	7.5	300	-55 ~ 125	RoHS Compliant	775
09641127230	HARTING	Receptacle, Female	9	Through Hole	Housing/Shell (Unthreaded)	Machined	Steel	-	7.5	100	-20 ~ 125	ROHS3 Compliant	1024
09641127235	HARTING	Receptacle, Female	9	Through Hole	Board Side (4-40)	Machined	Steel, Tin Plated	-	7.5	100	-20 ~ 125	ROHS3 Compliant	1362
09661116503	HARTING	Receptacle, Female	9	Through Hole	Mating Side, Female Screwlock (4-40)	Stamped	Steel	-	6.5	-	-55 ~ 125	ROHS3 Compliant	992
09661117503	HARTING	Receptacle, Female	9	Through Hole	Mating Side, Female Screwlock (4-40)	Stamped	Steel	-	6.5	-	-55 ~ 125	ROHS3 Compliant	1148
09661556513	HARTING	Receptacle, Female	9	Through Hole	Mating Side, Female Screwlock (4-40)	Stamped	Steel	Gold	6.5	-	-55 ~ 125	ROHS3 Compliant	1873
172-009-212R021	NorComp Inc.	Receptacle, Female	9	Panel Mount, Through Hole	Board Side (4-40)	Machined	Steel, Tin Plated	Gold	5	-	-50 ~ 100	ROHS3 Compliant	1004
172-E09-213R001	NorComp Inc.	Receptacle, Female	9	Panel Mount, Through Hole	Housing/Shell (Unthreaded)	Machined	Steel, Nickel Plated	Gold	5	-	-50 ~ 100	ROHS3 Compliant	2538
172-E09-213R021	NorComp Inc.	Receptacle, Female	9	Panel Mount, Through Hole	Board Side (4-40)	Machined	Steel, Nickel Plated	Gold	5	-	-50 ~ 100	ROHS3 Compliant	1803
172-E09-213R911	NorComp Inc.	Receptacle, Female	9	Panel Mount, Through Hole	Board Side (4-40), Mating Side, Female Screwlock (4-40)	Machined	Steel, Nickel Plated	Gold	5	-	-50 ~ 100	ROHS3 Compliant	2138
2-338313-2	TE Connectivity AMP Connectors	Receptacle, Female	9	Through Hole	Housing/Shell (M3)	-	Steel, Tin Plated	Gold	6	-	-55 ~ 105	ROHS3 Compliant	2002

Engineering Selection Recommendations

Direct Through-Hole Board-Side Equivalents:

HARTING 09641127235 provides the closest match to L77DEG09SOL2RM5 in mounting configuration (through-hole, board-side M3/4-40), with equivalent 7.5A current capacity and extended temperature range. This part maintains steel tin-plated shell construction and meets ROHS3 compliance. The primary consideration is the 100V voltage rating versus 300V on the primary part; selection depends on circuit voltage requirements.

Alternative Board-Side Configuration:

HARTING 09641127230 offers housing/shell flange design with identical through-hole mounting and equivalent current rating. This configuration eliminates board-side holes, making it suitable for applications where flange mounting methodology differs from the primary part.

Mating-Side Screwlock Variants:

HARTING parts 09661116503, 09661117503, and 09661556513 feature mating-side female screwlock (4-40) flanges, providing enhanced connector retention in vibration-prone environments. Current rating reduces to 6.5A. Part 09661556513 includes gold contact finish, matching the primary part's contact specification. These options require different PCB footprint and installation methodology.

Panel Mount Alternatives (Extended Temperature Range):

NorComp 172-E09 series parts (213R001, 213R021, 213R911) accommodate panel mounting applications with through-hole termination. Current rating of 5A and operating range of -50°C to 100°C represent narrower performance envelopes compared to the primary part. Gold contact finish and nickel-plated steel shells provide corrosion resistance. Part 213R911 includes dual flange features (board-side and mating-side screwlock).

TE Connectivity Equivalent:

2-338313-2 from the AMPLIMITE HD-20 series maintains through-hole board-side configuration with 6A current capacity, operating temperature -55°C to 105°C, and gold contact finish. Phosphor bronze contact material differs from the primary part's brass specification.

Compliance Basis for Selection:

All substitute parts carry ROHS3 or RoHS compliance certification. The primary part (L77DEG09SOL2RM5) holds RoHS Compliant status, while all listed substitutes maintain ROHS3 Compliant or higher standards, ensuring regulatory compatibility across current and future procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can HARTING 09641127235 directly replace L77DEG09SOL2RM5 in existing designs?

A: HARTING 09641127235 provides functional equivalence in through-hole applications with board-side M3/4-40 flange configuration and 7.5A current capacity. The 100V voltage rating limitation must be evaluated against circuit requirements. Mechanical interchangeability is confirmed for board-mounted applications; no PCB redesign is required.

Q: What is the primary difference between board-side and mating-side flange configurations?

A: Board-side flanges mount to and secure on the PCB surface, defining the connector position and angle of mating. Mating-side screwlock flanges attach to the mating connector itself, providing mechanical retention and stress relief during connection cycles. Selection depends on mating connector availability and installation methodology.

Q: Why do some substitutes list contact finish as unspecified?

A: Contact finish specifications depend on the specific contact grade selected during manufacturing. Parts without explicit finish designation either feature standard base metal (copper alloy) contacts or allow customer specification during procurement. Gold-plated variants ensure consistent performance in signal transmission applications.

Q: Are panel-mount NorComp parts suitable for PCB-mounted applications?

A: NorComp 172-E09 series parts are designed for panel mounting where the connector flange secures to an enclosure or panel edge rather than directly to the PCB. While through-hole termination allows solder attachment to the board, the flange geometry and mounting hole spacing differ from through-hole board-mounted designs. Installation methodology and enclosure integration requirements must be confirmed before substitution.

Q: What electrical parameter differentiates substitutes in signal transmission applications?

A: Current rating and voltage rating determine maximum power handling. The primary part supports 7.5A at 300V, while most HARTING substitutes provide 7.5A at 100V (or unspecified voltage). NorComp variants support 5A at unspecified voltage. TE Connectivity 2-338313-2 supports 6A with unspecified voltage. Verify operating voltage and peak current draw against selected substitute specifications.

Q: Do all substitutes meet identical flammability and temperature specifications?

A: All listed parts carry UL94 V-0 flammability rating. Operating temperature ranges vary: the primary part and certain HARTING/TE Connectivity parts support -55°C to 125°C, while NorComp 172-E09 series operates within -50°C to 100°C range. Application thermal environment determines compatibility; high-temperature or low-temperature extremes may eliminate certain substitutes.

Q: How does contact form (Machined vs. Stamped) affect connector reliability?

A: Machined contacts provide controlled geometry and consistent mating force characteristics, supporting higher cycle counts in applications requiring frequent connection/disconnection. Stamped contacts reduce manufacturing cost and support equivalent electrical performance in less demanding applications. Both forms meet signal transmission specifications; selection depends on application duty cycle and cost constraints.

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