MDF7-10P-2.54DSA(55) Equivalent & Substitute Parts

Part Overview

The MDF7-10P-2.54DSA(55) is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole mounting applications. This connector features 10 vertical positions with 0.100" (2.54mm) pitch spacing and is rated for 3A at 250V. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	10
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Contact Length - Mating	0.394" (10.00mm)
Contact Length - Post	0.118" (3.00mm)
Current Rating	3A
Voltage Rating	250V
Operating Temperature	-35°C ~ 85°C
Contact Material	Brass
Insulation Material	Polybutylene Terephthalate (PBT)
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MDF7-10P-2.54DSA(55) is determined by the following critical parameters:

Connector type (Header)
Contact type (Male Pin)
Number of positions (10)
Pitch spacing (0.100" / 2.54mm)
Mounting method (Through Hole)
Contact dimensions (Mating length 0.394", Post length 0.118")
Electrical ratings (3A, 250V minimum)
Operating temperature range (-35°C ~ 85°C)
Material composition (Brass contacts, PBT insulation)

The MDF7-10P-2.54DSA(95) meets all these criteria and is identified as a direct substitute. Both parts share identical mechanical and electrical specifications within the MDF7 series.

Parameter Comparison

Parameter	MDF7-10P-2.54DSA(55)	MDF7-10P-2.54DSA(95)
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd
Series	MDF7	MDF7
Connector Type	Header	Header
Contact Type	Male Pin	Male Pin
Number of Positions	10	10
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	1	1
Mounting Type	Through Hole	Through Hole
Termination	Solder	Solder
Fastening Type	Push-Pull	Push-Pull
Contact Length - Mating	0.394" (10.00mm)	0.394" (10.00mm)
Contact Length - Post	0.118" (3.00mm)	0.118" (3.00mm)
Overall Contact Length	0.612" (15.54mm)	0.612" (15.54mm)
Insulation Height	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square
Contact Finish - Mating	Tin	Tin
Contact Finish - Post	Tin	Tin
Contact Material	Brass	Brass
Insulation Material	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
Operating Temperature	-35°C ~ 85°C	-35°C ~ 85°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Insulation Color	Black	Black
Current Rating	3A	3A
Voltage Rating	250V	250VAC
RoHS Status	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040
Product Status	Obsolete	Active
Packaging	-	Bag

Engineering Selection Recommendations

The MDF7-10P-2.54DSA(95) is the appropriate substitute for the obsolete MDF7-10P-2.54DSA(55). Both components are manufactured by Hirose Electric Co Ltd within the same MDF7 series and share identical mechanical and electrical specifications.

The primary distinction is product status: the MDF7-10P-2.54DSA(55) is obsolete, while the MDF7-10P-2.54DSA(95) maintains active production status. The substitute part carries ROHS3 compliance certification and is available in standard bag packaging, supporting ongoing procurement requirements.

Both parts meet UL94 V-0 flammability standards, operate across the identical temperature range, and maintain equivalent electrical ratings. The substitute component is suitable for direct replacement in applications currently utilizing the MDF7-10P-2.54DSA(55).

Frequently Asked Questions (FAQ)

Q: Can the MDF7-10P-2.54DSA(95) be used as a direct replacement for the MDF7-10P-2.54DSA(55)?

A: Yes. Both components share identical connector type, contact configuration, pitch spacing, mounting method, contact dimensions, and electrical ratings. The substitute part is mechanically and electrically compatible for direct board-level substitution.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and compliance certification. The MDF7-10P-2.54DSA(55) is obsolete, while the MDF7-10P-2.54DSA(95) is in active production. The substitute carries ROHS3 compliance and is supplied in bag packaging. All functional and electrical parameters remain identical.

Q: Are there any compatibility concerns when switching from the MDF7-10P-2.54DSA(55) to the MDF7-10P-2.54DSA(95)?

A: No compatibility concerns exist. Both parts maintain the same 0.100" (2.54mm) pitch, 10-position configuration, through-hole mounting, and contact geometry. Mating connectors and PCB layouts designed for the original part will function identically with the substitute.

Q: What is the current availability status of these parts?

A: The MDF7-10P-2.54DSA(55) is obsolete with limited inventory (1042 pcs reported). The MDF7-10P-2.54DSA(95) is in active production with current stock availability (710 pcs reported).

Q: Do both parts meet the same regulatory and compliance standards?

A: Both parts meet UL94 V-0 flammability requirements and maintain MSL 1 (Unlimited) moisture sensitivity ratings. The substitute part carries ROHS3 compliance, while the original part is RoHS Compliant. Both are classified under ECCN EAR99 and HTSUS 8536.69.4040.

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