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Amphenol ICC 68705-103 Rectangular Connector Header — Equivalent & Substitute Parts
Part Overview
The Amphenol ICC 68705-103 is a through-hole rectangular connector header in the BERGSTIK® II series, designed for board-to-board applications with a 3-position, 0.100" (2.54mm) pitch configuration. This connector features male pins with phosphor bronze contacts finished in gold or GXT™, suitable for solder termination in push-pull fastening applications. The part is currently active in production with 686 units in stock.
Equivalent and substitute parts are necessary when the original part becomes unavailable, when design requirements demand alternative contact lengths or post configurations, or when compliance specifications such as RoHS status or operating temperature ranges must be updated to meet evolving application requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 68705-103 |
| Manufacturer | Amphenol ICC (FCI) |
| Series | BERGSTIK® II |
| Connector Type | Header |
| Contact Type | Male Pin |
| Pitch - Mating | 0.100" (2.54mm) |
| Number of Positions | 3 |
| Number of Rows | 1 |
| Mounting Type | Through Hole |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Material | Phosphor Bronze |
| Contact Shape | Square |
| Insulation Height | 0.100" (2.54mm) |
| Material Flammability Rating | UL94 V-0 |
| Insulation Color | Black |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution eligibility for the 68705-103 is determined by strict adherence to the following core parameters:
Fixed Parameters (Must Match):
- Pitch - Mating: 0.100" (2.54mm)
- Number of Positions: 3
- Number of Rows: 1
- Connector Type: Header
- Contact Type: Male Pin
- Mounting Type: Through Hole
- Termination: Solder
- Fastening Type: Push-Pull
- Contact Shape: Square
- Insulation Height: 0.100" (2.54mm)
- Material Flammability Rating: UL94 V-0
- Contact Material: Phosphor Bronze
Variable Parameters (Allowed to Differ):
- Contact Length - Mating
- Contact Length - Post
- Overall Contact Length
- Contact Finish - Mating (Gold, Tin, or equivalent)
- Contact Finish - Post
- Insulation Material
- Insulation Color
- Operating Temperature Range
- RoHS Compliance Status
- Series designation
- Packaging format
Substitute parts are grouped by manufacturer and series. Amphenol ICC 68705-103HLF represents a direct variant with identical mechanical and electrical specifications but with RoHS compliance and enhanced current/voltage ratings. Samtec Inc. HTSW and HMTSW series headers provide functionally equivalent alternatives with variations in contact post length and insulation material composition.
Parameter Comparison
| Parameter | 68705-103 | 68705-103HLF | HMTSW-103-24-G-S-230 | HMTSW-103-24-L-S-230-LL | HTSW-103-07-T-S | HTSW-103-08-LM-S | HTSW-103-09-G-S | HTSW-103-12-G-S | HTSW-103-23-G-S | HTSW-103-23-G-S-LL | MTSW-103-23-TM-S-225 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Amphenol ICC | Amphenol ICC | Samtec Inc. | Samtec Inc. | Samtec Inc. | Samtec Inc. | Samtec Inc. | Samtec Inc. | Samtec Inc. | Samtec Inc. | Samtec Inc. |
| Series | BERGSTIK® II | BERGSTIK® II | Flex Stack, HMTSW | Flex Stack, HMTSW | HTSW | HTSW | HTSW | HTSW | HTSW | HTSW | Flex Stack, MTSW |
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) |
| Number of Positions | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Contact Length - Mating | 0.200" (5.08mm) | 0.200" (5.08mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.255" (6.48mm) |
| Contact Length - Post | 0.095" (2.41mm) | 0.095" (2.41mm) | 0.150" (3.81mm) | 0.150" (3.81mm) | 0.100" (2.54mm) | 0.200" (5.08mm) | 0.400" (10.16mm) | 0.700" (17.78mm) | 0.115" (2.92mm) | 0.115" (2.92mm) | 0.090" (2.29mm) |
| Overall Contact Length | 0.395" (10.03mm) | 0.395" (10.03mm) | 0.480" (12.19mm) | 0.480" (12.19mm) | 0.430" (10.92mm) | 0.530" (13.46mm) | 0.730" (18.54mm) | 1.030" (26.16mm) | 0.445" (11.30mm) | 0.445" (11.30mm) | 0.445" (11.30mm) |
| Contact Finish - Mating | Gold or Gold, GXT™ | Gold or Gold, GXT™ | Gold | Gold | Tin | Gold | Gold | Gold | Gold | Gold | Tin |
| Contact Finish - Post | — | — | Gold | Tin | Tin | Tin | Gold | Gold | Gold | Gold | Tin |
| Insulation Material | — | — | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Polyester, Glass Filled |
| Insulation Color | Black | Black | Natural | Natural | Natural | Natural | Natural | Natural | Natural | Natural | Black |
| Operating Temperature | — | — | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 105°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 105°C |
| RoHS Status | RoHS non-compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Not Applicable | Not Applicable | 1 (Unlimited) | 1 (Unlimited) | Not Applicable | Not Applicable | 1 (Unlimited) | Not Applicable | — |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Direct Amphenol ICC Substitute: The 68705-103HLF is the primary equivalent for the 68705-103. Both parts share identical mechanical dimensions, contact configuration, and pitch specifications. The HLF variant adds RoHS compliance and specifies current (5A) and voltage (110V) ratings. Selection of the HLF variant is appropriate when RoHS compliance is mandated by design or regulatory requirements.
Samtec HTSW Series Selection: The Samtec HTSW series provides functionally equivalent headers with standardized contact post lengths. Selection within this series depends on application-specific post length requirements:
- HTSW-103-07-T-S: Shortest post configuration (0.100"), suitable for minimal PCB stack-up applications
- HTSW-103-08-LM-S: Extended post (0.200"), accommodates thicker PCB assemblies with gold mating and tin post finish
- HTSW-103-09-G-S: Long post (0.400"), for applications requiring substantial post engagement
- HTSW-103-12-G-S: Extended post (0.700"), for deep PCB penetration requirements
- HTSW-103-23-G-S: Standard post (0.115"), closest dimensional match to original part
- HTSW-103-23-G-S-LL: Kinked pin variant of HTSW-103-23-G-S for enhanced mechanical retention
All HTSW variants feature ROHS3 compliance, operating temperature range of -55°C to 125°C (except HTSW-103-07-T-S at -55°C to 105°C), and liquid crystal polymer insulation material.
Samtec HMTSW Series Selection: The HMTSW series offers flexible stack configurations with extended mating contact length (0.230"):
- HMTSW-103-24-G-S-230: Gold finish on both mating and post contacts
- HMTSW-103-24-L-S-230-LL: Kinked pin variant with tin post finish
Both HMTSW variants provide -55°C to 125°C operating range and ROHS3 compliance.
Samtec MTSW Series Selection: The MTSW-103-23-TM-S-225 is a cuttable variable-height header with polyester glass-filled insulation, tin finish, and -55°C to 105°C operating range. This variant is suitable for applications requiring custom post length configuration.
All substitute parts maintain the core mechanical and electrical compatibility parameters: 0.100" pitch, 3-position single-row configuration, through-hole solder termination, push-pull fastening, and UL94 V-0 flammability rating.
Frequently Asked Questions (FAQ)
Q: Can I substitute the 68705-103 with any of the listed Samtec parts?
A: Yes, provided the application accommodates the specific contact post length and operating temperature range of the selected Samtec variant. All listed substitutes maintain the critical parameters: 0.100" pitch, 3 positions, single row, through-hole mounting, solder termination, and push-pull fastening. Verify that the contact post length is compatible with your PCB thickness and assembly requirements.
Q: What is the primary difference between the 68705-103 and 68705-103HLF?
A: The 68705-103HLF is RoHS compliant and specifies electrical ratings (5A current, 110V voltage), whereas the original 68705-103 is RoHS non-compliant with unspecified electrical ratings. Both parts are mechanically and dimensionally identical. The HLF variant is the appropriate choice for applications subject to RoHS regulatory requirements.
Q: How do I select the correct Samtec HTSW variant?
A: Selection is determined by the required contact post length. The HTSW series offers post lengths ranging from 0.100" (HTSW-103-07-T-S) to 0.700" (HTSW-103-12-G-S). Measure your PCB thickness and connector cavity depth to determine the appropriate post length. HTSW-103-23-G-S provides the closest dimensional match to the original 68705-103 with a 0.115" post length.
Q: Are there differences in insulation material between the original part and substitutes?
A: Yes. The 68705-103 does not specify insulation material. Most Samtec substitutes use liquid crystal polymer (LCP) insulation, which offers superior thermal and mechanical properties compared to standard materials. The MTSW-103-23-TM-S-225 uses polyester glass-filled insulation. Both materials meet UL94 V-0 flammability requirements. Verify material compatibility with your application environment.
Q: What is the operating temperature range difference between variants?
A: The original 68705-103 does not specify an operating temperature range. Most Samtec variants operate from -55°C to 125°C, providing extended low-temperature performance. The HTSW-103-07-T-S and MTSW-103-23-TM-S-225 operate from -55°C to 105°C. Select the temperature range appropriate for your application environment.
Q: Can I use the kinked pin variants (HTSW-103-23-G-S-LL or HMTSW-103-24-L-S-230-LL) as direct replacements?
A: Kinked pin variants provide enhanced mechanical retention during PCB assembly and are functionally equivalent to their straight-pin counterparts. They are suitable as direct replacements if your assembly process and PCB design accommodate the kinked pin geometry. Verify with your assembly partner that the kinked pin configuration is compatible with your insertion equipment.
Q: What packaging formats are available?
A: The 68705-103 is supplied in bulk packaging. Samtec substitutes are available in bulk or bag packaging formats. Verify packaging requirements with your procurement specifications, as packaging format may affect handling, storage, and assembly processes.
Q: Are all substitutes RoHS compliant?
A: The original 68705-103 is RoHS non-compliant. The 68705-103HLF is RoHS compliant. All Samtec variants (HTSW, HMTSW, MTSW series) are ROHS3 compliant. Select RoHS-compliant variants if your application or regulatory environment mandates RoHS compliance.
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