301-LS-141 Equivalent & Substitute Parts

Part Overview

The 301-LS-141 is a shrouded vertical header connector manufactured by On Shore Technology Inc., featuring 14 positions arranged in 2 rows with 0.100" (2.54mm) pitch. This through-hole component is designed for board-to-cable/wire applications with solder termination and latch lock/eject hook fastening. The connector is actively produced and stocked with 906 units available.

Substitute parts are necessary when the original manufacturer's stock is depleted, when alternative sourcing reduces procurement lead times, or when design requirements permit functional equivalents from qualified manufacturers. All substitute parts listed maintain electrical and mechanical compatibility with the 301-LS-141 within the parameters specified below.

Key Parameters

Parameter	301-LS-141 Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	14
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Shrouding	Shrouded - 4 Wall
Fastening Type	Latch Lock/Eject Hooks, Long
Contact Shape	Square
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Connector type (Header)
Contact type (Male Pin)
Number of positions (14)
Number of rows (2)
Pitch - mating (0.100" / 2.54mm)
Row spacing - mating (0.100" / 2.54mm)
Mounting type (Through Hole)
Termination (Solder)
Shrouding (Shrouded - 4 Wall)
Fastening type (Latch Lock/Eject Hooks, Long)
Contact shape (Square)
Material flammability rating (UL94 V-0)

All substitute parts listed meet these mandatory criteria. Variations in contact length, insulation height, contact finish specifications, operating temperature ranges, and current ratings are documented in the parameter comparison table below. These variations do not affect mechanical or electrical interchangeability for standard board-to-cable/wire applications.

Parameter Comparison

Parameter	301-LS-141	2-5102321-2	2-5499206-2	499922-2	5499206-2	5499922-2	N3314-5302RB	N3314-6302RB	N3314-6303RB
Manufacturer	On Shore Technology Inc.	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	3M	3M	3M
Number of Positions	14	14	14	14	14	14	14	14	14
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)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole, Right Angle	Through Hole	Through Hole
Contact Length - Mating	0.228" (5.80mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.122" (3.10mm)	0.155" (3.94mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.112" (2.84mm)	0.112" (2.84mm)	0.155" (3.94mm)
Overall Contact Length	0.630" (16.00mm)	0.684" (17.37mm)	0.639" (16.23mm)	0.639" (16.23mm)	0.639" (16.23mm)	0.639" (16.23mm)	—	0.652" (16.56mm)	0.695" (17.65mm)
Insulation Height	0.660" (16.76mm)	0.549" (13.94mm)	0.549" (13.94mm)	0.549" (13.94mm)	0.549" (13.94mm)	0.549" (13.94mm)	0.340" (8.64mm)	0.680" (17.27mm)	0.680" (17.27mm)
Contact Finish - Mating	Gold	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold	Gold	Gold
Contact Finish Thickness - Mating	Flash	30.0µin (0.76µm)	30.0µin (0.76µm)	15.0µin (0.38µm)	30.0µin (0.76µm)	15.0µin (0.38µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)
Contact Finish - Post	—	Tin	Tin	Tin-Lead	Tin	Tin	Tin	Tin	Tin
Operating Temperature	-55°C ~ 120°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Current Rating	2A	1A per Contact	1A	1A	1A	1A	1.75A	1.75A	1.75A
Voltage Rating	—	250VAC	250VAC	250VAC	250VAC	250VAC	—	—	—
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not applicable	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
REACH Status	REACH Unaffected	Vendor Undefined	REACH Unaffected	REACH Affected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Packaging	Bulk	Tray	Tray	Tray	Tray	Bulk	Bulk	Bulk	Bulk
Inventory Status	906 Pcs	637 Pcs	876 Pcs	931 Pcs	1464 Pcs	490796 Pcs	2941 Pcs	9191 Pcs	1552 Pcs

Engineering Selection Recommendations

TE Connectivity AMP-Latch Series (2-5102321-2, 2-5499206-2, 499922-2, 5499206-2, 5499922-2)

These connectors are direct vertical-mount equivalents with identical pitch, position count, and shrouding. All TE Connectivity parts maintain ROHS3 compliance except 499922-2, which is not applicable for RoHS. The 5499922-2 variant offers the highest inventory availability (490,796 units) and bulk packaging, matching the original 301-LS-141 packaging format. Operating temperature range is reduced to -65°C ~ 105°C compared to the 301-LS-141's -55°C ~ 120°C specification. Current rating is reduced to 1A per contact versus the original 2A rating.

3M 3000 Series (N3314-6302RB, N3314-6303RB)

These connectors provide vertical-mount compatibility with identical pitch and position count. Both maintain RoHS compliance and REACH Unaffected status. The N3314-6302RB and N3314-6303RB differ in contact post length (0.112" and 0.155" respectively), affecting overall contact length and insulation height. Current rating is 1.75A, intermediate between the original 2A and TE Connectivity 1A specifications. Operating temperature range is -55°C ~ 105°C, matching the lower bound of the original specification.

3M 3000 Series Right-Angle Variant (N3314-5302RB)

This part features right-angle mounting geometry, which differs from the vertical orientation of the 301-LS-141. Mechanical compatibility requires board layout accommodation for the right-angle form factor. Insulation height is significantly reduced to 0.340" (8.64mm). This variant is suitable only when board space constraints or cable routing requirements necessitate right-angle orientation.

Compliance Considerations

All substitute parts maintain UL94 V-0 flammability rating. Parts with ROHS3 Compliant or RoHS Compliant status are suitable for applications requiring regulatory compliance. The 499922-2 variant carries Tin-Lead post finish and REACH Affected status, requiring evaluation against application-specific environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 301-LS-141 with any of the listed parts without PCB redesign?

A: Yes, for vertical-mount applications. The N3314-6302RB and N3314-6303RB from 3M and all TE Connectivity vertical variants (2-5102321-2, 2-5499206-2, 499922-2, 5499206-2, 5499922-2) maintain identical pitch, position count, and mounting orientation. The N3314-5302RB requires PCB redesign due to right-angle mounting geometry.

Q: What are the differences in contact post length, and does this affect compatibility?

A: Contact post length varies across substitutes: 301-LS-141 (0.122"), TE Connectivity variants (0.110" or 0.155"), and 3M variants (0.112" or 0.155"). These variations affect solder joint depth and overall contact length but do not prevent mechanical or electrical interchangeability for standard through-hole solder applications. PCB pad design should accommodate the specified post length range.

Q: Are there current rating limitations I should consider?

A: The original 301-LS-141 is rated at 2A. TE Connectivity substitutes are rated at 1A per contact, and 3M variants are rated at 1.75A. Applications requiring the full 2A rating should use 3M N3314 series parts or confirm that reduced current capacity is acceptable for the intended circuit.

Q: What is the difference between bulk and tray packaging?

A: Bulk packaging contains loose components suitable for high-volume automated assembly. Tray packaging organizes components in organized trays for controlled dispensing. The 301-LS-141 and most 3M variants use bulk packaging. TE Connectivity parts (except 5499922-2) are supplied in tray format. Packaging selection depends on assembly process requirements and inventory management practices.

Q: Which substitute offers the best inventory availability?

A: The TE Connectivity 5499922-2 provides the highest inventory level at 490,796 units in bulk packaging, combined with ROHS3 compliance and REACH Unaffected status. This variant is suitable for high-volume applications requiring immediate availability.

Q: Are there compliance or regulatory differences between substitutes?

A: All parts maintain UL94 V-0 flammability rating. ROHS3 compliance is present in most variants except 499922-2 (not applicable). REACH status varies: most parts are REACH Unaffected, but 2-5102321-2 is Vendor Undefined and 499922-2 is REACH Affected. Applications subject to environmental regulations should select parts with ROHS3 Compliant and REACH Unaffected status.

Q: Can I use the 3M N3314-5302RB right-angle variant in place of the vertical 301-LS-141?

A: Only if board layout permits right-angle cable entry. The N3314-5302RB features significantly reduced insulation height (0.340" versus 0.660" for the original), requiring different PCB footprint and cable routing geometry. Mechanical compatibility cannot be assumed without layout verification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message