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HTST-112-01-T-DV Equivalent & Substitute Parts
Part Overview
The HTST-112-01-T-DV is a rectangular connector header manufactured by Samtec Inc., designed for surface mount applications requiring 24-position, 2.54mm pitch interconnection. This shrouded, push-pull fastened header operates across -55°C to 105°C and is classified as an active product. Substitute parts are identified when equivalent electrical and mechanical parameters align with application requirements, enabling component sourcing flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Header |
| Contact Type | Male Pin |
| Number of Positions | 24 |
| Number of Rows | 2 |
| Pitch - Mating | 0.100" (2.54mm) |
| Row Spacing - Mating | 0.100" (2.54mm) |
| Mounting Type | Surface Mount |
| Shrouding | Shrouded - 4 Wall |
| Fastening Type | Push-Pull |
| Operating Temperature Range | -55°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the HTST-112-01-T-DV is determined by strict alignment of the following parameters:
- Connector Type & Contact Configuration: Header with male pins
- Position Count & Row Configuration: 24 positions arranged in 2 rows
- Pitch Specification: 0.100" (2.54mm) mating pitch and row spacing
- Mounting Technology: Surface mount termination
- Shrouding Design: Shrouded 4-wall construction
- Fastening Mechanism: Push-pull fastening type
- Operating Temperature: -55°C to 105°C range
- Flammability & Compliance: UL94 V-0 rating and RoHS compliance
The substitute part N2524-6V0C-RB-WE (3M) satisfies all mandatory electrical and mechanical parameters within these criteria.
Parameter Comparison
| Parameter | HTST-112-01-T-DV (Samtec) | N2524-6V0C-RB-WE (3M) |
|---|---|---|
| Manufacturer | Samtec Inc. | 3M |
| Series | Flex Stack, HTST | 2500 |
| Connector Type | Header | Header |
| Contact Type | Male Pin | Male Pin |
| Number of Positions | 24 | 24 |
| 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 | Surface Mount | Surface Mount |
| Shrouding | Shrouded - 4 Wall | Shrouded - 4 Wall |
| Fastening Type | Push-Pull | Push-Pull |
| Contact Length - Mating | 0.250" (6.35mm) | 0.243" (6.17mm) |
| Insulation Height | 0.350" (8.89mm) | 0.390" (9.91mm) |
| Contact Shape | Square | Square |
| Contact Finish - Mating | Tin | Gold |
| Contact Material | Phosphor Bronze | Copper Alloy |
| Insulation Material | Liquid Crystal Polymer (LCP) | Polycyclohexylenedimethylene Terephthalate (PCT), Glass Filled |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Current Rating (Amps) | 3.4A per Contact | 1.75A per Contact |
| RoHS Status | ROHS3 Compliant | RoHS Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Packaging | Tube | Tape & Reel (TR) |
Engineering Selection Recommendations
Both the HTST-112-01-T-DV and N2524-6V0C-RB-WE maintain active product status and satisfy UL94 V-0 flammability requirements and RoHS compliance. The primary distinction lies in current rating capacity: the HTST-112-01-T-DV supports 3.4A per contact, while the N2524-6V0C-RB-WE supports 1.75A per contact. Selection between these parts must account for circuit current requirements. Both parts operate within the identical temperature range (-55°C to 105°C) and maintain MSL 1 moisture sensitivity classification. Contact finish differences (tin versus gold) and insulation material composition (LCP versus PCT glass-filled) represent secondary variations that do not affect substitution eligibility when electrical and mechanical parameters align with application specifications.
Frequently Asked Questions (FAQ)
Q: Can N2524-6V0C-RB-WE replace HTST-112-01-T-DV in all applications?
A: Substitution is valid when circuit current per contact does not exceed 1.75A. The HTST-112-01-T-DV supports higher current (3.4A per contact). If application current requirements exceed 1.75A per contact, the N2524-6V0C-RB-WE is not suitable.
Q: What are the mechanical compatibility considerations?
A: Both connectors maintain identical 24-position, 2-row configuration with 0.100" (2.54mm) pitch and row spacing. Mating contact length differs slightly (0.250" versus 0.243"), and insulation height varies (0.350" versus 0.390"). These dimensional variations require verification against PCB layout and mating connector specifications.
Q: How do packaging formats affect procurement?
A: The HTST-112-01-T-DV is supplied in Tube packaging, while N2524-6V0C-RB-WE is supplied in Tape & Reel (TR) format. Packaging selection impacts handling, automated assembly compatibility, and inventory management but does not affect electrical or mechanical performance.
Q: Are compliance certifications equivalent?
A: Both parts maintain UL94 V-0 flammability rating, RoHS compliance, MSL 1 moisture sensitivity, and REACH unaffected status. Compliance profiles are equivalent for standard industrial applications.
Q: What contact finish differences should be considered?
A: The HTST-112-01-T-DV uses tin finish on mating contacts, while N2524-6V0C-RB-WE uses gold finish (30.0µin thickness). Gold finish provides enhanced corrosion resistance and lower contact resistance in low-signal applications. Tin finish is suitable for standard power and signal applications.
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