MDF7-23P-2.54DSA Equivalent & Substitute Parts

Part Overview

The MDF7-23P-2.54DSA is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole mounting applications. This connector features 23 vertical positions with 0.100" (2.54mm) pitch spacing and is classified as a board-to-board connector with unshrouded design. The main part number MDF7-23P-2.54DSA(01) carries an obsolete product status, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement.

Key Parameters

Parameter	Specification
Manufacturer Part Number	MDF7-23P-2.54DSA(01)
Manufacturer	Hirose Electric Co Ltd
Series	MDF7
Connector Type	Header
Contact Type	Male Pin
Number of Positions	23
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Contact Length - Mating	0.394" (10.00mm)
Contact Length - Post	0.118" (3.00mm)
Overall Contact Length	0.612" (15.54mm)
Current Rating	3A
Voltage Rating	250V
Operating Temperature	-35°C ~ 85°C
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MDF7-23P-2.54DSA(01) is determined by strict equivalence across the following critical parameters:

Connector series and base product number (MDF7)
Contact count (23 positions)
Pitch spacing (0.100" / 2.54mm)
Contact type (Male Pin)
Mounting method (Through Hole)
Electrical ratings (3A current, 250V voltage)
Material composition (Brass contacts, PBT insulation)
Contact finish (Gold plating on mating surface)
Operating temperature range (-35°C ~ 85°C)
Compliance certifications (RoHS, UL94 V-0)

The substitute part MDF7-23P-2.54DSA(96) maintains full equivalence across all critical electrical and mechanical parameters. The primary distinction is the packaging format and product status classification.

Parameter Comparison

Parameter	MDF7-23P-2.54DSA(01)	MDF7-23P-2.54DSA(96)
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	23	23
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	Gold	Gold
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	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active
Packaging	-	Bag

Engineering Selection Recommendations

The MDF7-23P-2.54DSA(96) is the direct functional equivalent for the obsolete MDF7-23P-2.54DSA(01). Both parts maintain identical electrical specifications, mechanical dimensions, and material certifications. The substitute part carries active product status with current manufacturing support from Hirose Electric Co Ltd, ensuring long-term availability and supply chain continuity.

Selection of MDF7-23P-2.54DSA(96) is supported by:

Full compliance with RoHS directives
UL94 V-0 flammability certification
Identical contact geometry and electrical ratings
Equivalent operating temperature range
Moisture sensitivity level classification of 1 (Unlimited)

Frequently Asked Questions (FAQ)

Q: Can MDF7-23P-2.54DSA(96) be used as a direct replacement for MDF7-23P-2.54DSA(01)?

A: Yes. Both parts are manufactured by Hirose Electric Co Ltd within the MDF7 series and maintain identical specifications for connector type, contact count, pitch spacing, electrical ratings, and material composition. The substitute part is currently in active production status.

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

A: The primary differences are product status and packaging format. MDF7-23P-2.54DSA(01) is classified as obsolete, while MDF7-23P-2.54DSA(96) maintains active status. The substitute part is supplied in bag packaging. All electrical and mechanical parameters remain equivalent.

Q: Are there any compatibility concerns when switching from MDF7-23P-2.54DSA(01) to MDF7-23P-2.54DSA(96)?

A: No compatibility concerns exist. Both parts feature identical contact geometry, pitch spacing (0.100" / 2.54mm), mating contact length (0.394" / 10.00mm), and post length (0.118" / 3.00mm). PCB footprints and mating connector interfaces are fully interchangeable.

Q: What are the key electrical parameters for this connector?

A: The connector is rated for 3A current and 250V voltage operation across the -35°C to 85°C temperature range. Both the main part and substitute maintain these specifications.

Q: Is this connector RoHS compliant?

A: Yes. Both MDF7-23P-2.54DSA(01) and MDF7-23P-2.54DSA(96) are RoHS compliant and carry UL94 V-0 flammability certification.

Q: What is the moisture sensitivity level for this connector?

A: Both parts are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

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