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HTSW-108-08-S-D Equivalent & Substitute Parts
Part Overview
The HTSW-108-08-S-D is a rectangular connector header manufactured by Samtec Inc., designed for through-hole mounting applications. This vertical header connector features 16 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing, suitable for board-to-board or cable interconnections. The connector is currently in active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).
Equivalent and substitute parts are identified based on matching core electrical and mechanical parameters: 16-position configuration, 2-row layout, 0.100" (2.54mm) pitch, through-hole solder termination, push-pull fastening, and operating temperature ranges that encompass the original specification.
Substiute Parts
Key Parameters
| Parameter | HTSW-108-08-S-D |
|---|---|
| Connector Type | Header |
| Contact Type | Male Pin |
| Number of Positions | 16 |
| 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 Shape | Square |
| Insulation Material | Liquid Crystal Polymer (LCP) |
| 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
Substitute parts are classified into two categories based on substitution compatibility:
Direct Substitutes maintain all critical parameters identical to the HTSW-108-08-S-D:
- 16 positions, 2 rows, 0.100" (2.54mm) pitch
- Through-hole solder termination
- Push-pull fastening
- Square contact shape
- UL94 V-0 flammability rating
- MSL 1 moisture sensitivity
Similar Substitutes share the core 16-position, 2-row, 0.100" (2.54mm) pitch configuration and through-hole solder termination but differ in one or more secondary parameters such as contact finish, contact length, insulation height, or operating temperature range. These parts are functionally compatible for applications where the specific parameter variations do not impact circuit performance.
Key parameters determining substitution eligibility:
- Position count and row configuration (16 positions, 2 rows)
- Mating pitch (0.100" / 2.54mm)
- Mounting method (through-hole)
- Termination type (solder)
- Fastening mechanism (push-pull)
- Contact geometry (square shape)
Parameter Comparison
| Part Number | Manufacturer | Series | Positions | Rows | Pitch | Contact Finish - Mating | Contact Length - Post | Overall Contact Length | Operating Temperature | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HTSW-108-08-S-D | Samtec Inc. | HTSW | 16 | 2 | 0.100" (2.54mm) | Gold | 0.200" (5.08mm) | 0.530" (13.46mm) | -55°C ~ 125°C | Active | ROHS3 |
| 5-146256-8 | TE Connectivity AMP | AMPMODU Mod II | 16 | 2 | 0.100" (2.54mm) | Gold | 0.120" (3.05mm) | 0.440" (11.18mm) | -65°C ~ 105°C | Active | ROHS3 |
| 5-146268-8 | TE Connectivity AMP | AMPMODU Mod II | 16 | 2 | 0.100" (2.54mm) | Gold | 0.120" (3.05mm) | 0.440" (11.18mm) | -65°C ~ 105°C | Obsolete | ROHS3 |
| 5-146254-8 | TE Connectivity AMP | AMPMODU Mod II | 16 | 2 | 0.100" (2.54mm) | Tin | 0.120" (3.05mm) | 0.440" (11.18mm) | -65°C ~ 105°C | Active | RoHS |
| 5-146257-8 | TE Connectivity AMP | AMPMODU Mod II | 16 | 2 | 0.100" (2.54mm) | Gold | 0.120" (3.05mm) | 0.440" (11.18mm) | -65°C ~ 105°C | Active | ROHS3 |
| 54102-T0808LF | Amphenol ICC (FCI) | BERGSTIK® | 16 | 2 | 0.100" (2.54mm) | Tin | 0.120" (3.05mm) | 0.450" (11.43mm) | -65°C ~ 125°C | Active | RoHS |
| 67996-116HLF | Amphenol ICC (FCI) | BERGSTIK® II | 16 | 2 | 0.100" (2.54mm) | Gold | 0.095" (2.41mm) | 0.425" (10.80mm) | -65°C ~ 125°C | Active | RoHS |
| 67996-216HLF | Amphenol ICC (FCI) | BERGSTIK® II | 16 | 2 | 0.100" (2.54mm) | Gold | 0.095" (2.41mm) | 0.425" (10.80mm) | -65°C ~ 125°C | Active | RoHS |
| 67996-416HLF | Amphenol ICC (FCI) | BERGSTIK® II | 16 | 2 | 0.100" (2.54mm) | Tin | 0.095" (2.41mm) | 0.425" (10.80mm) | -65°C ~ 125°C | Active | RoHS |
| 67997-116HLF | Amphenol ICC (FCI) | BERGSTIK® II | 16 | 2 | 0.100" (2.54mm) | Gold | 0.120" (3.05mm) | 0.450" (11.43mm) | -65°C ~ 130°C | Active | RoHS |
| 67997-216HLF | Amphenol ICC (FCI) | BERGSTIK® II | 16 | 2 | 0.100" (2.54mm) | Gold | 0.120" (3.05mm) | 0.450" (11.43mm) | -65°C ~ 130°C | Active | RoHS |
Engineering Selection Recommendations
Direct Substitute (Highest Compatibility): 5-146256-8 (TE Connectivity AMP Connectors) is the primary direct substitute. This part maintains active product status, ROHS3 compliance, and identical core electrical specifications. The reduced contact post length (0.120" vs. 0.200") and overall contact length (0.440" vs. 0.530") represent the primary mechanical difference but do not affect functional compatibility in standard through-hole PCB applications.
Active Status Alternatives: All TE Connectivity AMPMODU Mod II variants (5-146256-8, 5-146254-8, 5-146257-8) and Amphenol ICC BERGSTIK® series parts (54102-T0808LF, 67996-116HLF, 67996-216HLF, 67996-416HLF, 67997-116HLF, 67997-216HLF) maintain active product status. These parts are suitable for new designs and ongoing production.
Obsolete Status: 5-146268-8 (TE Connectivity AMP Connectors) carries obsolete product status. While functionally equivalent to 5-146256-8, this part is not recommended for new designs due to end-of-life status.
Compliance Considerations: The HTSW-108-08-S-D specifies ROHS3 compliance. Substitute parts meeting ROHS3 status include 5-146256-8, 5-146268-8, and 5-146257-8. Parts with RoHS (non-3) status include 5-146254-8, 54102-T0808LF, 67996-116HLF, 67996-216HLF, 67996-416HLF, 67997-116HLF, and 67997-216HLF. Design teams must verify compliance requirements for their specific application.
Contact Finish Selection: Gold-plated mating contacts (HTSW-108-08-S-D, 5-146256-8, 5-146257-8, 67996-116HLF, 67996-216HLF, 67997-116HLF, 67997-216HLF) provide enhanced corrosion resistance. Tin-plated alternatives (5-146254-8, 54102-T0808LF, 67996-416HLF) offer cost optimization where corrosion resistance requirements are less stringent.
Temperature Range: The HTSW-108-08-S-D operates from -55°C to 125°C. All substitute parts support this range or exceed it. Parts with extended upper temperature limits (67997-116HLF, 67997-216HLF at -65°C ~ 130°C) provide additional thermal margin for demanding applications.
Frequently Asked Questions (FAQ)
Q: Can 5-146256-8 be used as a direct replacement for HTSW-108-08-S-D? A: Yes. Both parts share identical core specifications: 16 positions, 2 rows, 0.100" (2.54mm) pitch, through-hole solder termination, and push-pull fastening. The primary difference is contact post length (0.120" vs. 0.200"), which does not affect standard PCB mounting compatibility.
Q: What is the difference between gold-plated and tin-plated contact finishes? A: Gold plating (30.0µin or 15.0µin thickness) provides superior corrosion resistance and is specified on the HTSW-108-08-S-D. Tin plating (100.0µin thickness) offers cost reduction for applications where corrosion resistance is not critical. Both finishes are compatible with standard solder reflow processes.
Q: Why is 5-146268-8 marked as obsolete? A: 5-146268-8 has reached end-of-life status. While functionally equivalent to 5-146256-8, it is not recommended for new designs. Use 5-146256-8 or other active-status alternatives for ongoing production.
Q: Are BERGSTIK® and BERGSTIK® II series connectors compatible with HTSW-108-08-S-D? A: Yes. All BERGSTIK® and BERGSTIK® II parts listed maintain the 16-position, 2-row, 0.100" (2.54mm) pitch configuration and through-hole solder termination. Mechanical differences in contact length and insulation height do not prevent functional compatibility in standard applications.
Q: What is the significance of ROHS3 vs. RoHS compliance? A: ROHS3 represents compliance with the most recent RoHS directive revision. The HTSW-108-08-S-D specifies ROHS3. Substitute parts with RoHS (non-3) status may not meet current regulatory requirements for certain markets. Verify compliance requirements for your application and target markets.
Q: Does contact post length affect PCB mounting? A: Contact post length determines solder joint formation depth. The HTSW-108-08-S-D has 0.200" posts; most substitutes have 0.120" posts. Both lengths are suitable for standard PCB through-hole mounting with typical solder thickness (0.040" to 0.060"). Verify PCB design specifications if custom solder thickness is used.
Q: Can I mix different substitute parts in the same assembly? A: All listed parts are mechanically and electrically compatible for board-to-board or cable interconnection. However, mixing different manufacturers or series in the same assembly may complicate procurement, inventory management, and field service. Standardize on a single part number per design when possible.
Q: What is the current rating for these connectors? A: The HTSW-108-08-S-D does not specify a fixed current rating; it varies by wire gauge. TE Connectivity AMPMODU and Amphenol ICC BERGSTIK® substitutes specify 3A per contact. Verify actual current requirements based on wire gauge and application thermal conditions.
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