TMS-107-51-L-D Equivalent & Substitute Parts

Part Overview

The TMS-107-51-L-D is a 0.050" (1.27mm) pitch micro header connector manufactured by Samtec Inc. This through-hole rectangular connector features 14 positions arranged in 2 rows with 0.100" (2.54mm) row spacing, designed for board-to-board applications. The connector is classified as Active product status with full RoHS3 compliance and MSL Level 1 rating. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the connector interface specifications.

Key Parameters

Parameter	Value
Pitch - Mating	0.050" (1.27mm)
Number of Positions	14
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Contact Type	Male Pin
Current Rating	5A per Contact
Operating Temperature	-55°C ~ 125°C
Contact Finish - Mating	Gold
Insulation Material	Liquid Crystal Polymer (LCP)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the TMS-107-51-L-D are identified based on strict equivalence of the following critical parameters:

Pitch - Mating: 0.050" (1.27mm)
Number of Positions: 14
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole
Contact Type: Male Pin
Current Rating: 5A per Contact
Operating Temperature Range: -55°C ~ 125°C
Contact Finish - Mating: Gold
Insulation Material: Liquid Crystal Polymer (LCP)
RoHS Compliance: ROHS3 Compliant

The HTMS-107-51-L-D maintains all specified electrical and mechanical parameters, confirming direct substitution capability within the same application context.

Parameter Comparison

Parameter	TMS-107-51-L-D	HTMS-107-51-L-D
Manufacturer	Samtec Inc.	Samtec Inc.
Pitch - Mating	0.050" (1.27mm)	0.050" (1.27mm)
Number of Positions	14	14
Number of Rows	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole
Contact Type	Male Pin	Male Pin
Contact Length - Mating	0.190" (4.83mm)	0.190" (4.83mm)
Contact Length - Post	0.120" (3.05mm)	0.120" (3.05mm)
Overall Contact Length	0.410" (10.41mm)	0.410" (10.41mm)
Insulation Height	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square
Contact Finish - Mating	Gold	Gold
Contact Finish Thickness - Mating	10.0µin (0.25µm)	10.0µin (0.25µm)
Contact Finish - Post	Tin	Tin
Contact Material	Phosphor Bronze	Phosphor Bronze
Insulation Material	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Insulation Color	Black	Black
Current Rating	5A per Contact	5A per Contact
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040

Engineering Selection Recommendations

Both the TMS-107-51-L-D and HTMS-107-51-L-D are Active product status connectors from Samtec Inc. with identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and application requirements. Both parts maintain ROHS3 compliance, UL94 V-0 flammability rating, and MSL Level 1 moisture sensitivity classification. The HTMS-107-51-L-D is a direct functional equivalent suitable for applications requiring the TMS-107-51-L-D specifications.

Frequently Asked Questions (FAQ)

Q: Can HTMS-107-51-L-D replace TMS-107-51-L-D in existing designs?

A: Yes. The HTMS-107-51-L-D maintains identical pitch (0.050"), position count (14), row configuration (2 rows), row spacing (0.100"), contact geometry, material composition, and electrical ratings. Both parts are manufactured by Samtec Inc. with equivalent performance characteristics.

Q: Are there differences in contact finish or plating between these parts?

A: No. Both parts feature gold-plated mating contacts with 10.0µin (0.25µm) thickness and tin-plated posts. Contact material is phosphor bronze for both variants.

Q: What is the significance of the series designation change from TMS to HTMS?

A: The series designation reflects the base product number classification. The HTMS-107 series maintains all functional and electrical parameters of the TMS-107 series for this specific 14-position, 2-row configuration.

Q: Are both parts RoHS compliant?

A: Yes. Both TMS-107-51-L-D and HTMS-107-51-L-D are ROHS3 compliant with UL94 V-0 flammability rating and MSL Level 1 moisture sensitivity classification.

Q: What is the current handling capacity per contact?

A: Both parts are rated for 5A per contact, with operating temperature range of -55°C to 125°C.

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