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Amphenol ICC 78548-620 Equivalent & Substitute Parts
Part Overview
The Amphenol ICC 78548-620 is a vertical through-hole rectangular connector header with 20 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This BERGSTIK® II series connector features male pins with gold-plated square contacts and kinked pin solder termination, designed for board-to-board applications. The part is currently active in production with 1042 units in stock.
Substitute parts are necessary when the original part becomes unavailable, when alternative compliance certifications are required, or when design specifications allow for compatible alternatives from different manufacturers. The parts listed below maintain electrical and mechanical compatibility based on core connector parameters.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Header |
| Contact Type | Male Pin |
| Pitch - Mating | 0.100" (2.54mm) |
| Number of Positions | 20 |
| Number of Rows | 2 |
| Row Spacing - Mating | 0.100" (2.54mm) |
| Mounting Type | Through Hole |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Shape | Square |
| Material Flammability Rating | UL94 V-0 |
| Insulation Color | Black |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict adherence to the following core parameters:
- Connector pitch of 0.100" (2.54mm)
- 20-position configuration in 2-row arrangement
- Male pin contact type
- Through-hole mounting
- Solder termination
- Push-pull fastening mechanism
- UL94 V-0 flammability rating
- Black insulation color
- MSL 1 rating
Substitute parts are grouped into two categories based on contact geometry and material composition:
Category A: Square Contact Geometry — Parts with square-shaped contacts matching the original design. These include 3M 929715 series (929715-01-10-EU, 929715-01-10-I, 929715-03-10-I) and Samtec TSW-110 series (TSW-110-14-G-D, TSW-110-14-L-D, TSW-110-14-S-D, TSW-110-14-T-D).
Category B: Circular Contact Geometry — TE Connectivity 87215-7 features circular contacts instead of square, representing a geometric variation while maintaining electrical compatibility.
Category C: Breakaway Configuration — TE Connectivity AMPMODU Mod II series (4-102973-0-10, 6-146250-0) offers breakaway header functionality with board-to-board or cable style options.
Parameter Comparison
| Parameter | 78548-620 | 4-102973-0-10 | 6-146250-0 | 87215-7 | 929715-01-10-EU | 929715-01-10-I | 929715-03-10-I | TSW-110-14-G-D | TSW-110-14-L-D | TSW-110-14-S-D | TSW-110-14-T-D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Amphenol ICC | TE Connectivity | TE Connectivity | TE Connectivity | 3M | 3M | 3M | Samtec | Samtec | Samtec | Samtec |
| Pitch - Mating | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Number of Positions | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Row Spacing - Mating | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Contact Type | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Kinked Pin, Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Fastening Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Contact Shape | Square | Square | Square | Circular | Square | Square | Square | Square | Square | Square | Square |
| Contact Length - Mating | 0.318" | 0.318" | 0.318" | 0.318" | 0.318" | 0.318" | 0.318" | 0.320" | 0.320" | 0.320" | 0.320" |
| Contact Length - Post | 0.120" | 0.125" | 0.125" | 0.125" | 0.110" | 0.110" | 0.410" | 0.110" | 0.110" | 0.110" | 0.110" |
| Overall Contact Length | 0.538" | 0.533" | 0.533" | 0.533" | 0.528" | 0.528" | 0.828" | 0.530" | 0.530" | 0.530" | 0.530" |
| Insulation Height | 0.100" | 0.090" | 0.090" | 0.090" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Contact Material | Phosphor Bronze | Copper Alloy | Copper Alloy | Phosphor Bronze | Copper Alloy | Copper Alloy | Copper Alloy | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Contact Finish - Mating | Gold or Gold, GXT™ | Gold | Tin | Gold | Gold | Gold | Gold | Gold | Gold | Gold | Tin |
| Contact Finish Thickness - Mating | 30.0µin | 15.0µin | 100.0µin | 30.0µin | 10.0µin | 10.0µin | 10.0µin | 10.0µin | 10.0µin | 30.0µin | — |
| Operating Temperature | — | -65°C ~ 105°C | -65°C ~ 105°C | -65°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 105°C |
| Current Rating (Amps) | — | 3A | 3A | 3A | 2.5A | 2.5A | 2.5A | — | — | — | — |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Insulation Color | Black | Black | Black | Black | Black | Black | Black | Black | Black | Black | Black |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | RoHS non-compliant | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Primary Substitutes (Active Status, RoHS Compliant):
The Samtec TSW-110 series (TSW-110-14-G-D, TSW-110-14-L-D, TSW-110-14-S-D, TSW-110-14-T-D) and 3M 929715 series (929715-01-10-EU, 929715-01-10-I, 929715-03-10-I) are recommended as primary substitutes. All parts maintain active product status with ROHS3 compliance or RoHS compliance. The TSW-110 series offers extended operating temperature range (-55°C to 125°C) compared to the original part specification. The 3M 929715 series provides equivalent thermal performance with -40°C to 105°C operating range.
Secondary Substitutes (Active Status, Geometric Variation):
TE Connectivity 6-146250-0 is an active, ROHS3-compliant alternative with square contact geometry. TE Connectivity 87215-7 features circular contact geometry while maintaining all core electrical and mechanical parameters. Both parts support board-to-board or cable style configurations.
Obsolete Alternative (Not Recommended for New Designs):
TE Connectivity 4-102973-0-10 carries obsolete product status and is not recommended for new design implementations, though it remains electrically compatible.
Contact Length Consideration:
The 3M 929715-03-10-I variant features extended post length (0.410" versus 0.110" standard), resulting in overall contact length of 0.828". This part is suitable only for applications requiring increased standoff height and should not be used as a direct replacement without mechanical design verification.
Frequently Asked Questions (FAQ)
Q: Can I substitute the Amphenol ICC 78548-620 with any of the listed parts?
A: Yes, all listed parts maintain electrical and mechanical compatibility based on core connector parameters: 0.100" pitch, 20-position, 2-row configuration, male pin contacts, through-hole mounting, and solder termination. However, verify contact length and post dimensions for your specific PCB layout, as minor variations exist between manufacturers.
Q: What is the difference between square and circular contact geometry?
A: The TE Connectivity 87215-7 features circular contacts instead of square. Both geometries are mechanically and electrically compatible within the 0.100" pitch standard. Contact shape does not affect mating performance but may influence insertion force characteristics.
Q: Are there RoHS compliance differences I should consider?
A: The original 78548-620 is RoHS non-compliant. For RoHS-compliant designs, select from: 3M 929715 series (RoHS Compliant), TE Connectivity 6-146250-0 (ROHS3 Compliant), TE Connectivity 87215-7 (ROHS3 Compliant), or Samtec TSW-110 series (ROHS3 Compliant).
Q: What is the significance of the 929715-03-10-I extended post length?
A: The 929715-03-10-I provides 0.410" post length versus the standard 0.110" found in most alternatives. This extended length creates a total contact length of 0.828" and is designed for applications requiring greater standoff distance. Direct substitution requires mechanical design verification to ensure PCB clearance and mating depth compatibility.
Q: Which substitute offers the widest operating temperature range?
A: The Samtec TSW-110 series supports -55°C to 125°C operating temperature, providing the widest thermal envelope. The 3M 929715 series operates from -40°C to 105°C, and TE Connectivity parts operate from -65°C to 105°C.
Q: Are there inventory considerations for substitute selection?
A: Samtec TSW-110-14-G-D maintains the highest inventory at 92,900 units. 3M 929715-01-10-EU provides 2,695 units. TE Connectivity 6-146250-0 stocks 805 units. Inventory levels should be verified at time of procurement.
Q: What contact finish options are available?
A: Gold-plated contacts are standard across most substitutes (10.0µin to 30.0µin thickness). Tin-plated alternatives include TE Connectivity 6-146250-0 (mating surface) and Samtec TSW-110-14-L-D and TSW-110-14-T-D (post finish). Select based on solderability and corrosion resistance requirements for your application.
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