MDF7B-10P-2.54DSA(01 Equivalent & Substitute Parts

Part Overview

The MDF7B-10P-2.54DSA(01 is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole mounting with 10 positions at 0.100" (2.54mm) pitch. This connector is classified as obsolete, which necessitates identification of active equivalent and substitute parts for ongoing design support and procurement. The part operates within a temperature range of -35°C to 85°C and is rated for 3A at 250V, with UL94 V-0 flammability compliance and RoHS compliance.

Key Parameters

Parameter	Value
Manufacturer Part Number	MDF7B-10P-2.54DSA(01
Manufacturer	Hirose Electric Co Ltd
Connector Type	Header
Contact Type	Male Pin
Number of Positions	10
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Operating Temperature	-35°C ~ 85°C
Current Rating	3A
Voltage Rating	250V
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Connector Type: Header
Contact Type: Male Pin
Number of Positions: 10
Pitch - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull

All substitute parts listed maintain these core electrical and mechanical parameters. Variations in contact length, insulation height, contact material, and operating temperature range are secondary characteristics that do not prevent functional substitution within the specified application envelope.

Parameter Comparison

Parameter	MDF7B-10P-2.54DSA(01	MDF7B-10P-2.54DSA(96	BBS-110-G-C	HMTSW-110-10-S-S-640	HMTSW-110-10-SM-S-575	HMTSW-110-28-G-S-570	HTSW-110-17-F-S	HTSW-110-17-F-S-LL	HTSW-110-17-G-S-LL	HTSW-110-17-L-S-LL	HTSW-110-17-S-S
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	10	10	10	10	10	10	10	10	10	10	10
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Kinked Pin, Solder	Kinked Pin, Solder	Kinked Pin, Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Operating Temperature	-35°C ~ 85°C	-35°C ~ 85°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating	3A	3A	Not Specified	3A	3A	3A	Varies by Wire Gauge	Varies by Wire Gauge	Varies by Wire Gauge	Varies by Wire Gauge	Varies by Wire Gauge
Voltage Rating	250V	250VAC	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

MDF7B-10P-2.54DSA(96 is the direct Hirose equivalent with active product status. This part maintains identical electrical and mechanical specifications to the obsolete MDF7B-10P-2.54DSA(01, with the only difference being packaging format (Bag versus unspecified).

Samtec rectangular connectors (BBS-110-G-C, HMTSW series, and HTSW series) provide cross-manufacturer alternatives. All Samtec substitutes are ROHS3 compliant and active products. The HMTSW and HTSW series offer extended operating temperature ranges (-55°C to 125°C) compared to the original part (-35°C to 85°C), providing enhanced thermal performance for demanding applications.

Selection between Samtec alternatives depends on specific application requirements regarding contact length, insulation height, and termination style. The HTSW series with kinked pin termination (HTSW-110-17-F-S-LL, HTSW-110-17-G-S-LL, HTSW-110-17-L-S-LL) offers improved mechanical retention during assembly.

Frequently Asked Questions (FAQ)

Q: Can MDF7B-10P-2.54DSA(96 be used as a direct replacement for MDF7B-10P-2.54DSA(01?

A: Yes. Both parts share identical connector type, contact type, position count, pitch, mounting type, termination method, and fastening type. The primary difference is packaging format. MDF7B-10P-2.54DSA(96 is the active equivalent.

Q: What are the key differences between Hirose MDF7B and Samtec HTSW rectangular connectors?

A: Both maintain 10-position, 2.54mm pitch, through-hole solder termination, and push-pull fastening. Samtec HTSW connectors feature extended operating temperature range (-55°C to 125°C versus -35°C to 85°C), phosphor bronze contact material, and liquid crystal polymer insulation. Contact length and post length vary by specific model designation.

Q: Are Samtec BBS-110-G-C connectors compatible with MDF7B-10P-2.54DSA(01?

A: BBS-110-G-C maintains core compatibility parameters: 10 positions, 2.54mm pitch, through-hole mounting, solder termination, and push-pull fastening. Differences include circular contact shape (versus square), polyester glass-filled insulation (versus PBT), and extended temperature range. These variations do not prevent functional substitution.

Q: What is the significance of kinked pin termination in HTSW-110-17-F-S-LL and similar models?

A: Kinked pin termination provides mechanical retention during PCB assembly, reducing the risk of contact displacement during solder reflow. This feature is beneficial in high-volume manufacturing environments but is not required for basic electrical functionality.

Q: Do all substitute parts meet RoHS compliance requirements?

A: Yes. MDF7B-10P-2.54DSA(96 is RoHS Compliant. All Samtec alternatives (BBS-110-G-C, HMTSW series, HTSW series) are ROHS3 Compliant, which exceeds RoHS 2.0 requirements.

Q: How do contact length variations affect connector selection?

A: Contact length determines mating depth and mechanical engagement. The original MDF7B-10P-2.54DSA(01 specifies 0.648" (16.47mm) mating contact length. Samtec alternatives range from 0.125" to 0.640", affecting compatibility with specific mating connectors. Application-specific mating connector specifications must be verified before substitution.

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