HTSW-136-25-L-D Equivalent & Substitute Parts

Part Overview

The HTSW-136-25-L-D is an active rectangular connector header manufactured by Samtec Inc. This through-hole mounted connector features 72 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing. The connector is designed for board-to-board or cable applications with solder termination and push-pull fastening. Finding equivalent or substitute parts is necessary when managing inventory constraints, lead time requirements, or design flexibility across production batches.

Substiute Parts

HTSW-136-25-L-D
Samtec Inc.In Stock: 1048HTSW-136-25-L-D Datasheet
HTSW-136-25-L-D
Current Part
TSW-136-25-L-D
Samtec Inc.In Stock: 689TSW-136-25-L-D Datasheet
TSW-136-25-L-D
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Key Parameters

Parameter Value
Connector Type Header
Contact Type Male Pin
Number of Positions 72
Number of Rows 2
Pitch - Mating 0.100" (2.54mm)
Row Spacing - Mating 0.100" (2.54mm)
Mounting Type Through Hole
Termination Solder
Fastening Type Push-Pull
Operating Temperature Range -55°C ~ 125°C
Material Flammability Rating UL94 V-0
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

The TSW-136-25-L-D qualifies as a direct substitute for the HTSW-136-25-L-D based on the following critical parameters:

Matching Parameters:

  • Connector type: Header
  • Contact type: Male Pin
  • Number of positions: 72
  • Number of rows: 2
  • Pitch - mating: 0.100" (2.54mm)
  • Row spacing - mating: 0.100" (2.54mm)
  • Mounting type: Through Hole
  • Termination: Solder
  • Fastening type: Push-Pull
  • Contact length - mating: 0.320" (8.13mm)
  • Contact length - post: 0.210" (5.33mm)
  • Overall contact length: 0.630" (16.00mm)
  • Insulation height: 0.100" (2.54mm)
  • Contact shape: Square
  • Contact finish - mating: Gold
  • Contact finish thickness - mating: 10.0µin (0.25µm)
  • Contact finish - post: Tin
  • Contact material: Phosphor Bronze
  • Operating temperature: -55°C ~ 125°C
  • Material flammability rating: UL94 V-0
  • RoHS status: ROHS3 Compliant

Differing Parameters:

  • Insulation material: HTSW uses Liquid Crystal Polymer (LCP); TSW uses Polybutylene Terephthalate (PBT)
  • Insulation color: HTSW is Natural; TSW is Black
  • Moisture sensitivity level: HTSW is Not Applicable; TSW is 1 (Unlimited)

Both connectors maintain identical electrical and mechanical interface specifications, allowing direct substitution in applications where the insulation material and color differences do not impose design constraints.

Parameter Comparison

Parameter HTSW-136-25-L-D TSW-136-25-L-D
Manufacturer Samtec Inc. Samtec Inc.
Series HTSW TSW
Product Status Active Active
Connector Type Header Header
Contact Type Male Pin Male Pin
Number of Positions 72 72
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)
Mounting Type Through Hole Through Hole
Termination Solder Solder
Fastening Type Push-Pull Push-Pull
Contact Length - Mating 0.320" (8.13mm) 0.320" (8.13mm)
Contact Length - Post 0.210" (5.33mm) 0.210" (5.33mm)
Overall Contact Length 0.630" (16.00mm) 0.630" (16.00mm)
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) Polybutylene Terephthalate (PBT)
Insulation Color Natural Black
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Material Flammability Rating UL94 V-0 UL94 V-0
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level Not Applicable 1 (Unlimited)
ECCN EAR99 EAR99
HTSUS Code 8536.69.4040 8536.69.4040

Engineering Selection Recommendations

Both the HTSW-136-25-L-D and TSW-136-25-L-D are active products from Samtec Inc. with ROHS3 compliance and identical electrical and mechanical interface specifications. Selection between these parts should be based on insulation material requirements:

The HTSW-136-25-L-D uses Liquid Crystal Polymer (LCP) insulation, which offers superior dimensional stability and lower moisture absorption. The TSW-136-25-L-D uses Polybutylene Terephthalate (PBT) insulation, which provides cost efficiency and established performance in standard applications. Both materials meet UL94 V-0 flammability requirements and operate across the full -55°C to 125°C temperature range.

The TSW-136-25-L-D carries a moisture sensitivity level of 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly. The HTSW-136-25-L-D is not subject to moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can TSW-136-25-L-D be used as a direct replacement for HTSW-136-25-L-D?

A: Yes. Both connectors share identical contact pitch (0.100"), row spacing (0.100"), number of positions (72), mounting type (through hole), termination method (solder), and fastening mechanism (push-pull). The electrical and mechanical interfaces are fully compatible.

Q: What is the difference between LCP and PBT insulation materials?

A: Liquid Crystal Polymer (LCP) offers superior dimensional stability, lower moisture absorption, and higher precision in tight tolerance applications. Polybutylene Terephthalate (PBT) provides cost efficiency and is suitable for standard industrial applications. Both materials meet UL94 V-0 flammability requirements.

Q: Does insulation color affect connector functionality?

A: No. The insulation color difference (Natural for HTSW versus Black for TSW) is cosmetic and does not affect electrical performance or mechanical compatibility. Selection should be based on visual identification requirements or assembly documentation standards.

Q: Are both connectors RoHS compliant?

A: Yes. Both the HTSW-136-25-L-D and TSW-136-25-L-D are ROHS3 compliant and carry the same ECCN (EAR99) and HTSUS code (8536.69.4040).

Q: What is the moisture sensitivity level difference?

A: The TSW-136-25-L-D has a moisture sensitivity level of 1 (Unlimited), meaning no special moisture control measures are required during storage or assembly. The HTSW-136-25-L-D is not subject to moisture sensitivity classification. This difference does not affect substitution compatibility.

Q: Do both connectors operate across the same temperature range?

A: Yes. Both connectors are rated for -55°C to 125°C operating temperature, ensuring equivalent thermal performance in the same applications.

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