MDF7-16DP-2.54DSA(55) Equivalent & Substitute Parts

Part Overview

The MDF7-16DP-2.54DSA(55) is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole mounting applications. This 16-position, 2-row connector with 0.100" (2.54mm) pitch provides board-to-board connectivity with male pin contacts and push-pull fastening. The part is currently listed as obsolete, making equivalent substitute parts necessary for ongoing design support and component procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	MDF7-16DP-2.54DSA(55)
Manufacturer	Hirose Electric Co Ltd
Series	MDF7
Number of Positions	16
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Connector Type	Header
Contact Type	Male Pin
Mounting Type	Through Hole
Style	Board to Board
Fastening Type	Push-Pull
Current Rating	3A
Voltage Rating	250V
Operating Temperature	-35°C ~ 85°C
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution for the MDF7-16DP-2.54DSA(55) is determined by the following critical parameters:

Connector Series & Pitch: MDF7 series with 0.100" (2.54mm) mating pitch and 0.100" row spacing
Position Configuration: 16 positions arranged in 2 rows
Contact Type & Gender: Male pin contacts
Mounting & Termination: Through-hole solder termination
Fastening Mechanism: Push-pull fastening type
Electrical Ratings: 3A current rating and 250V voltage rating
Environmental Compliance: RoHS compliant, UL94 V-0 flammability rating

The substitute part MDF7-16DP-2.54DSA(95) maintains all critical electrical and mechanical parameters required for direct substitution. The primary difference is the connector style designation (Board to Cable/Wire versus Board to Board) and product status (Active versus Obsolete).

Parameter Comparison

Parameter	MDF7-16DP-2.54DSA(55)	MDF7-16DP-2.54DSA(95)	Match
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd	✓
Series	MDF7	MDF7	✓
Number of Positions	16	16	✓
Number of Rows	2	2	✓
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	✓
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	✓
Connector Type	Header	Header	✓
Contact Type	Male Pin	Male Pin	✓
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	RoHS Compliant	✓
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	✓
Product Status	Obsolete	Active	Different
Packaging	Not specified	Bag	Different

Engineering Selection Recommendations

The MDF7-16DP-2.54DSA(95) is the direct substitute for the obsolete MDF7-16DP-2.54DSA(55). Both parts are manufactured by Hirose Electric Co Ltd and maintain identical electrical and mechanical specifications across all critical parameters including pitch, position count, contact configuration, current and voltage ratings, and operating temperature range.

The MDF7-16DP-2.54DSA(95) holds Active product status, ensuring ongoing availability and manufacturing support. Both parts carry RoHS compliance and UL94 V-0 flammability certification, meeting the same regulatory and safety requirements. The substitute part is currently in stock with 721 pieces available.

Frequently Asked Questions (FAQ)

Q: Can MDF7-16DP-2.54DSA(95) be used as a direct replacement for MDF7-16DP-2.54DSA(55)?

A: Yes. Both parts share identical electrical ratings (3A, 250V), mechanical dimensions, contact configuration (16 positions, 2 rows, 0.100" pitch), and material specifications. The substitute part is manufactured by the same supplier and maintains all functional compatibility requirements.

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

A: The primary difference is product status. The MDF7-16DP-2.54DSA(55) is obsolete, while the MDF7-16DP-2.54DSA(95) is active. The substitute part is also supplied in bag packaging. Both parts are electrically and mechanically equivalent.

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist. Both connectors use identical pitch spacing (0.100"), contact length (0.612" overall), and fastening mechanism (push-pull). PCB footprints and mating interface requirements are identical.

Q: What is the operating temperature range for these connectors?

A: Both parts operate across -35°C to 85°C, suitable for industrial and commercial applications within this thermal envelope.

Q: Are these parts RoHS compliant?

A: Yes. Both MDF7-16DP-2.54DSA(55) and MDF7-16DP-2.54DSA(95) are RoHS compliant and carry UL94 V-0 flammability certification.

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