TSW-136-14-F-S Equivalent & Substitute Parts

Part Overview

The TSW-136-14-F-S is a classic PCB header strip manufactured by Samtec Inc., designed for through-hole board-to-board or cable connections. This unshrouded, single-row connector features 36 positions at 0.100" (2.54mm) pitch with gold-plated mating contacts and tin-plated posts. The part maintains Active product status with 1058 units in current inventory.

Substitute parts become necessary when the primary part experiences supply constraints, obsolescence, or when design requirements permit alternative configurations within compatible electrical and mechanical parameters. The identified substitute maintains core compatibility through matching pitch, contact type, mounting method, and termination approach.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Style	Board to Board or Cable
Shrouding	Unshrouded
Contact Shape	Square
Insulation Material	Polybutylene Terephthalate (PBT)
Material Flammability Rating	UL94 V-0
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution compatibility for the TSW-136-14-F-S is determined by the following critical parameters:

Primary Compatibility Criteria:

Pitch - Mating: 0.100" (2.54mm) — ensures PCB footprint compatibility
Contact Type: Male Pin — maintains connector gender compatibility
Mounting Type: Through Hole — preserves assembly method
Termination: Solder — ensures connection reliability
Style: Board to Board or Cable — confirms application compatibility
Contact Shape: Square — guarantees contact engagement consistency

Secondary Compatibility Factors:

Shrouding: Unshrouded — allows mechanical interchangeability
Connector Type: Header or Header Breakaway — permits functional equivalence
Insulation Material: Thermoplastic or PBT — maintains electrical isolation
Material Flammability Rating: UL94 V-0 — ensures safety compliance

The substitute part 4-103321-0 (TE Connectivity AMP Connectors) satisfies all primary criteria. Position count variation (40 vs. 36) does not prevent substitution when the application requires fewer positions, as unused positions remain unloaded. Contact finish differences (Gold vs. Tin-Lead) and operating temperature range variations are acceptable within the specified parameter set.

Parameter Comparison

Parameter	TSW-136-14-F-S (Samtec)	4-103321-0 (TE Connectivity)	Compatibility Notes
Connector Type	Header	Header, Breakaway	Compatible — breakaway feature adds functionality
Contact Type	Male Pin	Male Pin	Identical
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	Identical — PCB footprint compatible
Number of Positions	36	40	Compatible — substitute has additional positions
Number of Rows	1	1	Identical
Mounting Type	Through Hole	Through Hole	Identical
Termination	Solder	Solder	Identical
Fastening Type	Push-Pull	Push-Pull	Identical
Contact Length - Mating	0.320" (8.13mm)	0.318" (8.08mm)	Compatible — within tolerance
Contact Length - Post	0.110" (2.79mm)	0.125" (3.18mm)	Compatible — post length variation acceptable
Overall Contact Length	0.530" (13.46mm)	0.533" (13.55mm)	Compatible — negligible difference
Insulation Height	0.100" (2.54mm)	0.090" (2.29mm)	Compatible — within mechanical tolerance
Contact Shape	Square	Square	Identical
Contact Finish - Mating	Gold	Tin-Lead	Different — both acceptable for standard applications
Contact Material	Phosphor Bronze	Copper Alloy	Compatible — both provide electrical conductivity
Insulation Material	Polybutylene Terephthalate (PBT)	Thermoplastic	Compatible — both provide electrical isolation
Operating Temperature Range	-55°C ~ 125°C	-65°C ~ 105°C	Overlapping range — substitute suitable for -55°C to 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	Identical
Insulation Color	Black	Black	Identical
Product Status	Active	Obsolete	Primary part preferred for new designs
RoHS Status	ROHS3 Compliant	Not applicable	Primary part meets current compliance requirements

Engineering Selection Recommendations

Primary Selection: TSW-136-14-F-S (Samtec Inc.)

The TSW-136-14-F-S is the recommended choice for new designs and applications requiring current component availability. This part maintains Active product status with confirmed inventory of 1058 units. ROHS3 compliance ensures alignment with current environmental and regulatory standards. The gold-plated mating contact finish provides enhanced corrosion resistance and contact reliability for long-term applications.

Substitute Selection: 4-103321-0 (TE Connectivity AMP Connectors)

The 4-103321-0 serves as a functional equivalent when TSW-136-14-F-S availability is constrained. This substitute maintains compatibility across all critical electrical and mechanical parameters. The 40-position configuration accommodates the 36-position requirement without functional compromise. However, this part carries Obsolete product status and does not meet ROHS3 compliance, making it unsuitable for new product designs subject to current regulatory requirements.

Selection Criteria:

Use TSW-136-14-F-S for new designs, production runs, and applications requiring regulatory compliance
Use 4-103321-0 only for legacy system maintenance, repair, or when supply of the primary part is unavailable and regulatory compliance is not mandated
Verify operating temperature requirements do not exceed 105°C when using the substitute part

Frequently Asked Questions (FAQ)

Q: Can the 4-103321-0 substitute directly replace the TSW-136-14-F-S on existing PCBs?

A: Yes. Both connectors share identical 0.100" (2.54mm) pitch, single-row configuration, and through-hole mounting. The PCB footprint is compatible. The 40-position substitute accommodates the 36-position requirement without modification.

Q: What is the difference between the contact finishes, and does it affect compatibility?

A: The TSW-136-14-F-S uses gold-plated mating contacts, while the 4-103321-0 uses tin-lead plating. Both finishes provide adequate electrical conductivity and contact reliability for standard applications. Gold plating offers superior corrosion resistance in harsh environments; tin-lead is suitable for standard industrial applications.

Q: Are there mechanical dimension differences that could affect assembly?

A: Minor variations exist in insulation height (0.100" vs. 0.090") and contact post length (0.110" vs. 0.125"). These differences fall within acceptable mechanical tolerances and do not prevent physical interchangeability on standard PCB designs.

Q: Why is the substitute part marked as Obsolete?

A: The 4-103321-0 (AMPMODU Mod II series) has been discontinued by TE Connectivity. Obsolete status indicates no new production; existing inventory is limited. This part should be used only for maintenance or when the primary part is unavailable.

Q: Does the operating temperature range difference affect substitution?

A: The substitute part operates from -65°C to 105°C, while the primary part operates from -55°C to 125°C. The substitute is suitable for applications within the overlapping range (-55°C to 105°C). Applications requiring operation above 105°C or below -65°C must use the primary part.

Q: Is the substitute part RoHS compliant?

A: No. The 4-103321-0 carries "Not applicable" RoHS status, indicating it does not meet ROHS3 compliance. The primary part TSW-136-14-F-S is ROHS3 compliant. For applications subject to RoHS regulations, use the primary part.

Q: Can unused positions on the 40-position substitute cause issues?

A: No. Unused positions remain unloaded and do not affect connector function. The 40-position configuration is mechanically and electrically compatible with applications requiring 36 positions.

Q: What is the current inventory status for both parts?

A: TSW-136-14-F-S: 1058 units in stock (Active). 4-103321-0: 980 units in stock (Obsolete). Inventory levels are subject to change; verify availability before procurement.

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