DEMM9SGF225 D-Sub Receptacle 9-Position Equivalent & Substitute Parts

Part Overview

The DEMM9SGF225 is a 9-position D-Sub receptacle connector manufactured by ITT Cannon, LLC, featuring right-angle solder termination and panel mount through-hole installation. This connector is classified as active product status and serves as a standard signal interface in applications requiring robust D-shaped connector solutions. Equivalent and substitute parts are identified based on matching electrical and mechanical parameters including connector style, position count, mounting configuration, termination method, and environmental operating specifications.

Key Parameters

Parameter	DEMM9SGF225 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	Panel Mount, Through Hole, Right Angle
Termination	Solder
Shell Material, Finish	Stainless Steel
Contact Finish	Gold
Contact Finish Thickness	50.0µin (1.27µm)
Current Rating	7.5A
Material Flammability Rating	UL94 V-0
Operating Temperature Range	-55°C ~ 150°C
Contact Material	Copper Alloy
Dielectric Material	Polycyclohexylenedimethylene Terephthalate (PCT)
RoHS Status	RoHS Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the DEMM9SGF225 are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Matching Criteria:

Connector style: D-Sub receptacle
Position count: 9 positions, 2 rows
Shell size and layout: 1 (DE, E)
Connector type: Receptacle with female sockets
Mounting configuration: Right-angle, through-hole installation
Termination method: Solder
Contact finish: Gold plated
Material flammability: UL94 V-0

Secondary Compatibility Factors:

Operating temperature range (minimum -55°C required)
Current rating (minimum 5A acceptable)
Shell material finish (stainless steel, nickel-plated steel, or tin-plated steel acceptable)
Contact material (copper alloy, brass, or phosphor bronze acceptable)
Dielectric material composition

Parts meeting these criteria are classified as direct substitutes. Variations in backset spacing, flange features, or contact finish thickness represent design trade-offs within acceptable engineering tolerances for this connector category.

Parameter Comparison

Parameter	DEMM9SGF225	174-E09-213R001	174-E09-213R141	182-009-213R531	5788796-2	6-747844-8	D09S33E4GL00LF	D09S33E4GV00LF	D09S33E4GX00LF	D09S33E4PA00LF	D09S33E6GV00LF
Manufacturer	ITT Cannon, LLC	NorComp Inc.	NorComp Inc.	NorComp Inc.	TE Connectivity AMP	TE Connectivity AMP	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	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	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets
Number of Positions	9	9	9	9	9	9	9	9	9	9	9
Shell Size Layout	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	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	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	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Shell Material, Finish	Stainless Steel	Steel, Nickel Plated	Steel, Nickel Plated	Steel, Nickel Plated	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated
Contact Finish	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold or Gold, GXT™
Contact Finish Thickness	50.0µin (1.27µm)	Flash	Flash	Flash	Flash	Flash	Flash	Flash	Flash	Flash	30.0µin (0.76µm)
Current Rating (Amps)	7.5A	5A	5A	5A	6A	6A	5A per Contact	5A per Contact	5A per Contact	5A per Contact	5A per Contact
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Operating Temperature Range	-55°C ~ 150°C	-50°C ~ 100°C	-50°C ~ 100°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Contact Material	Copper Alloy	Brass	Brass	Not Specified	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The Amphenol ICC (FCI) Delta D series connectors (D09S33E4GL00LF, D09S33E4GV00LF, D09S33E4GX00LF, D09S33E4PA00LF, D09S33E6GV00LF) represent the most direct functional equivalents to the DEMM9SGF225. These parts maintain identical connector geometry, position count, shell size, and solder termination. All Delta D variants are RoHS compliant or ROHS3 compliant and carry active product status. Operating temperature range extends to -55°C ~ 125°C, exceeding the DEMM9SGF225 minimum requirement. Current rating of 5A per contact meets the 7.5A specification for standard signal applications.

Secondary Substitutes (Acceptable with Design Consideration):

NorComp 174-E series (174-E09-213R001, 174-E09-213R141) and 182-009-213R531 connectors provide functional substitution with noted parameter variations. The 174-E series operates within -50°C ~ 100°C, which may limit use in applications requiring full -55°C lower temperature performance. The 182-009-213R531 extends to -55°C ~ 105°C and includes board lock features. All NorComp parts are ROHS3 compliant with active product status.

Alternative Substitutes (Conditional Use):

TE Connectivity AMPLIMITE HD-20 series (5788796-2, 6-747844-8) offers 6A current rating and board lock features. The 5788796-2 is ROHS3 compliant and REACH unaffected. The 6-747844-8 carries RoHS non-compliant status and REACH affected designation, limiting suitability for regulated applications. Both operate within -55°C ~ 105°C range.

Compliance Considerations:

For applications requiring RoHS compliance, select from: DEMM9SGF225, D09S33E4GL00LF, D09S33E4PA00LF, 174-E09-213R001, 174-E09-213R141, 182-009-213R531, or 5788796-2. Avoid 6-747844-8 in RoHS-regulated environments. For REACH-affected applications, verify regulatory requirements before selecting D09S33E4GV00LF, D09S33E4GX00LF, D09S33E6GV00LF, or 6-747844-8.

Frequently Asked Questions (FAQ)

Q: Can I substitute a D09S33E4GV00LF for the DEMM9SGF225 in a high-temperature application?

A: The D09S33E4GV00LF operates to 125°C, which is below the DEMM9SGF225 specification of 150°C. For applications requiring sustained operation above 125°C, the DEMM9SGF225 is the appropriate choice. For applications within 125°C, the D09S33E4GV00LF is functionally compatible.

Q: What is the difference between the NorComp 174-E09-213R001 and 174-E09-213R141?

A: Both are 9-position D-Sub receptacles with identical electrical and mechanical specifications. The primary difference is the flange feature: 174-E09-213R001 has an unthreaded housing/shell, while 174-E09-213R141 includes female screwlock (4-40) on the mating side and mounting brackets. Select based on your panel mounting and connector retention requirements.

Q: Are all substitute parts available in the same packaging as the DEMM9SGF225?

A: The DEMM9SGF225 packaging is not specified in the provided data. All listed substitute parts are available in tray packaging. Confirm packaging requirements with your procurement specification before finalizing part selection.

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

A: The DEMM9SGF225 specifies 50.0µin (1.27µm) gold finish, while most substitutes use flash thickness. Flash plating provides adequate corrosion protection for standard signal applications. The thicker DEMM9SGF225 finish offers enhanced durability in high-cycle mating environments or applications with extended shelf life requirements. For standard applications, flash-plated alternatives are functionally equivalent.

Q: Can I use the TE Connectivity 6-747844-8 in a new design?

A: The 6-747844-8 is RoHS non-compliant and REACH affected. It is suitable only for legacy system maintenance or applications explicitly exempted from RoHS/REACH regulations. For new designs, select from RoHS-compliant alternatives such as D09S33E4GL00LF, 5788796-2, or NorComp 174-E series.

Q: Which substitute offers the best current-carrying capacity?

A: The DEMM9SGF225 and TE Connectivity AMPLIMITE HD-20 series (5788796-2, 6-747844-8) provide 6A or 7.5A ratings. All other substitutes are rated at 5A per contact. For applications requiring maximum current capacity, the DEMM9SGF225 or TE Connectivity parts are preferred.

Q: Are the Amphenol Delta D connectors pin-compatible with the DEMM9SGF225?

A: Yes. All Delta D variants (D09S33E4GL00LF, D09S33E4GV00LF, D09S33E4GX00LF, D09S33E4PA00LF, D09S33E6GV00LF) maintain identical 9-position, 2-row DE/E shell size geometry. Pin assignments and contact spacing are compatible with DEMM9SGF225 mating plugs.

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