TST-116-01-L-D Equivalent & Substitute Parts

Part Overview

The TST-116-01-L-D is a rectangular connector header manufactured by Samtec Inc., designed for through-hole mounting applications. This 32-position, 2-row connector operates across the industrial temperature range of -55°C to 125°C and features shrouded 4-wall construction with push-pull fastening. The part maintains Active product status and is ROHS3 compliant with MSL 1 rating, making it suitable for standard PCB assembly environments without moisture sensitivity constraints.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct functional replacement in circuit designs where connector compatibility is maintained.

Substiute Parts

TST-116-01-L-D
Samtec Inc.In Stock: 1185TST-116-01-L-D Datasheet
TST-116-01-L-D
Current Part
HTSS-116-01-L-D
Samtec Inc.In Stock: 1241HTSS-116-01-L-D Datasheet
HTSS-116-01-L-D
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Key Parameters

Parameter Value
Connector Type Header
Contact Type Male Pin
Number of Positions 32
Number of Rows 2
Pitch - Mating 0.100" (2.54mm)
Row Spacing - Mating 0.100" (2.54mm)
Mounting Type Through Hole
Shrouding Shrouded - 4 Wall
Fastening Type Push-Pull
Operating Temperature -55°C ~ 125°C
Material Flammability Rating UL94 V-0
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

The HTSS-116-01-L-D qualifies as a substitute based on alignment of critical electrical and mechanical parameters. Substitution eligibility is determined by the following matching criteria:

  • Connector type: Both are headers with male pin contacts
  • Position count and row configuration: Both feature 32 positions in 2-row arrangement
  • Pitch specifications: Both maintain 0.100" (2.54mm) mating pitch and row spacing
  • Mounting and fastening: Both use through-hole mounting with push-pull fastening
  • Shrouding design: Both incorporate shrouded 4-wall construction
  • Contact geometry: Both use square contact shape with identical mating and post lengths
  • Contact finish: Both feature gold-plated mating surfaces and tin-plated posts
  • Contact material: Both use phosphor bronze
  • Operating temperature range: Both rated -55°C ~ 125°C
  • Flammability and compliance: Both meet UL94 V-0 and ROHS3 requirements
  • Moisture sensitivity: Both classified as MSL 1

The primary difference lies in insulation material composition: TST-116-01-L-D uses polybutylene terephthalate (PBT) glass-filled material, while HTSS-116-01-L-D uses liquid crystal polymer (LCP). Both materials meet the specified flammability and environmental requirements.

Parameter Comparison

Parameter TST-116-01-L-D HTSS-116-01-L-D
Manufacturer Samtec Inc. Samtec Inc.
Series Flex Stack, TST Flex Stack, HTSS
Connector Type Header Header
Contact Type Male Pin Male Pin
Number of Positions 32 32
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
Shrouding Shrouded - 4 Wall Shrouded - 4 Wall
Fastening Type Push-Pull Push-Pull
Contact Length - Mating 0.250" (6.35mm) 0.250" (6.35mm)
Contact Length - Post 0.115" (2.92mm) 0.115" (2.92mm)
Overall Contact Length 0.480" (12.19mm) 0.480" (12.19mm)
Insulation Height 0.350" (8.89mm) 0.350" (8.89mm)
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 Polybutylene Terephthalate (PBT), Glass Filled Liquid Crystal Polymer (LCP)
Features Keying Slot Keying Slot
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Material Flammability Rating UL94 V-0 UL94 V-0
Insulation Color Black Natural
Current Rating (Amps) 3.4A per Contact Not specified
Product Status Active Active
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 TST-116-01-L-D and HTSS-116-01-L-D maintain Active product status with identical compliance certifications (ROHS3, UL94 V-0, EAR99). Selection between these parts should be based on application-specific requirements related to insulation material properties.

The TST-116-01-L-D with PBT glass-filled insulation provides established performance in standard industrial applications with documented current rating of 3.4A per contact. The HTSS-116-01-L-D with LCP insulation offers alternative material characteristics while maintaining equivalent electrical and mechanical specifications. Both parts are suitable for through-hole PCB assembly with identical pitch, position count, and environmental operating range.

Frequently Asked Questions (FAQ)

Q: Can HTSS-116-01-L-D directly replace TST-116-01-L-D in existing designs?

A: Yes, provided the application does not depend on specific material properties unique to PBT glass-filled insulation. Both connectors share identical electrical and mechanical parameters including pitch, position count, contact geometry, and operating temperature range.

Q: What is the significance of the insulation material difference?

A: TST-116-01-L-D uses polybutylene terephthalate (PBT) glass-filled material, while HTSS-116-01-L-D uses liquid crystal polymer (LCP). Both materials meet UL94 V-0 flammability requirements. Material selection may affect mechanical properties, chemical resistance, and thermal characteristics in specific environments.

Q: Are both parts suitable for high-current applications?

A: TST-116-01-L-D specifies 3.4A per contact current rating. HTSS-116-01-L-D does not provide a documented current rating in the available specifications. Applications requiring confirmed current capacity should reference TST-116-01-L-D or obtain current rating documentation for HTSS-116-01-L-D from the manufacturer.

Q: Do both connectors support the same mating interface?

A: Yes. Both connectors feature identical 0.100" (2.54mm) pitch, 32-position, 2-row configuration with square contact geometry, gold-plated mating surfaces, and push-pull fastening. Mating compatibility is maintained between the two parts.

Q: What is the moisture sensitivity classification for these connectors?

A: Both parts are classified as MSL 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling. Standard PCB assembly processes apply without special moisture control requirements.

Q: Are there inventory considerations for part selection?

A: TST-116-01-L-D shows 1098 pieces in stock, while HTSS-116-01-L-D shows 1132 pieces in stock. Both parts maintain active inventory status suitable for production requirements.

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