Amphenol ICC 78548-150 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 78548-150 is a rectangular connector header designed for through-hole mounting applications. This BERGSTIK® II series connector features 50 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing, suitable for board-to-board interconnections. The part is currently active in production with 851 pieces in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to component availability, supply chain considerations, or design flexibility within the allowed parameter specifications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	50
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Style	Board to Board
Shrouding	Unshrouded
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 78548-150 are qualified based on the following critical parameters that must match or remain compatible:

Connector Type & Contact Configuration: Header with male pins
Position Count & Row Configuration: 50 positions in 2 rows
Pitch Specification: 0.100" (2.54mm) mating pitch and row spacing
Mounting & Termination: Through-hole solder termination
Style Classification: Board-to-board or board-to-cable connectivity
Shrouding Status: Unshrouded design
Flammability Compliance: UL94 V-0 rating
Moisture Sensitivity: MSL 1 classification

Substitutes are grouped into two categories: TE Connectivity AMPMODU Mod II series (2-87215-5, 7-146252-5) and Samtec TSW series (TSW-125-14-G-D, TSW-125-14-L-D, TSW-125-14-S-D, TSW-125-14-T-D). All qualified substitutes maintain the core electrical and mechanical interface requirements while offering variations in contact finish specifications and operating temperature ranges.

Parameter Comparison

Parameter	78548-150 (Amphenol ICC)	2-87215-5 (TE Connectivity)	7-146252-5 (TE Connectivity)	TSW-125-14-G-D (Samtec)	TSW-125-14-L-D (Samtec)	TSW-125-14-S-D (Samtec)	TSW-125-14-T-D (Samtec)
Manufacturer	Amphenol ICC (FCI)	TE Connectivity AMP	TE Connectivity AMP	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Series	BERGSTIK® II	AMPMODU Mod II	AMPMODU Mod II	TSW	TSW	TSW	TSW
Connector Type	Header	Header	Header, Breakaway	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	50	50	50	50	50	50	50
Number of Rows	2	2	2	2	2	2	2
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)
Row Spacing - 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)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Kinked Pin, Solder	Solder	Solder	Solder	Solder	Solder	Solder
Style	Board to Board	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Length - Mating	0.318" (8.08mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.320" (8.13mm)	0.320" (8.13mm)	0.320" (8.13mm)	0.320" (8.13mm)
Contact Length - Post	0.120" (3.05mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.110" (2.79mm)
Overall Contact Length	0.538" (13.67mm)	0.533" (14.65mm)	0.533" (14.65mm)	0.530" (13.46mm)	0.530" (13.46mm)	0.530" (13.46mm)	0.530" (13.46mm)
Insulation Height	0.100" (2.54mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Circular	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold or Gold, GXT™	Gold	Gold	Gold	Gold	Gold	Tin
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)	15.0µin (0.38µm)	10.0µin (0.25µm)	10.0µin (0.25µm)	30.0µin (0.76µm)	Not specified
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Not specified	Thermoplastic	Liquid Crystal Polymer (LCP)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
Operating Temperature	Not specified	-65°C ~ 105°C	-65°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 105°C
Current Rating (Amps)	Not specified	3A	3A	Not specified	Not specified	Not specified	Not specified
Material Flammability Rating	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
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	RoHS non-compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain active product status and meet the core mechanical and electrical interface requirements of the 78548-150. Selection between substitutes should be based on the following compliance and certification considerations:

RoHS Compliance: The original 78548-150 is RoHS non-compliant. All substitute parts (2-87215-5, 7-146252-5, and all TSW-125 variants) are RoHS Compliant or ROHS3 Compliant. Applications requiring RoHS compliance must use substitute parts.

Operating Temperature Range: The 78548-150 does not specify an operating temperature range. TE Connectivity substitutes (2-87215-5, 7-146252-5) operate from -65°C to 105°C. Samtec TSW-125-14-G-D, TSW-125-14-L-D, and TSW-125-14-S-D operate from -55°C to 125°C, providing extended high-temperature capability. TSW-125-14-T-D operates from -55°C to 105°C.

Contact Finish Specifications: The 78548-150 specifies gold or gold GXT™ finish on mating contacts with 30.0µin thickness. TE Connectivity 2-87215-5 matches this specification. TSW-125-14-G-D and TSW-125-14-L-D provide gold finish with reduced thickness (10.0µin). TSW-125-14-S-D provides gold finish with 30.0µin thickness matching the original. TSW-125-14-T-D uses tin finish on mating contacts.

Contact Shape: The 78548-150 features square contact geometry. TE Connectivity 2-87215-5 uses circular contacts, which may affect mating force and contact reliability in specific applications. TE Connectivity 7-146252-5 and all Samtec variants maintain square contact geometry.

Insulation Material: The 78548-150 does not specify insulation material. TE Connectivity 2-87215-5 uses thermoplastic, 7-146252-5 uses Liquid Crystal Polymer (LCP), and all Samtec variants use Polybutylene Terephthalate (PBT). LCP and PBT provide superior dimensional stability and chemical resistance compared to thermoplastic.

Current Rating: TE Connectivity substitutes specify 3A current rating. The 78548-150 and Samtec variants do not specify current ratings. Applications with defined current requirements should reference TE Connectivity parts.

Frequently Asked Questions (FAQ)

Q: Can TSW-125-14-T-D be used as a direct substitute for 78548-150?

A: TSW-125-14-T-D maintains all critical mechanical and electrical interface parameters including 50 positions, 2.54mm pitch, through-hole solder termination, and UL94 V-0 flammability rating. The primary difference is tin finish on mating contacts instead of gold. This substitution is valid for applications where contact finish material is not a critical design parameter. The extended operating temperature range (-55°C to 105°C) provides additional thermal capability.

Q: What is the difference between TE Connectivity 2-87215-5 and 7-146252-5?

A: Both parts are AMPMODU Mod II series with identical pitch, position count, and row configuration. Key differences include: 2-87215-5 features circular contact geometry and thermoplastic insulation, while 7-146252-5 features square contact geometry and Liquid Crystal Polymer (LCP) insulation. The 7-146252-5 also features a breakaway connector type option and uses copper alloy contacts with reduced mating finish thickness (15.0µin). For applications requiring square contacts and superior insulation material properties, 7-146252-5 is preferred.

Q: Are all substitute parts compatible with the same PCB footprint as 78548-150?

A: All substitute parts maintain 0.100" (2.54mm) pitch spacing and through-hole mounting configuration, ensuring PCB footprint compatibility. Minor variations exist in overall contact length and insulation height. The 78548-150 specifies 0.100" insulation height, while TE Connectivity parts specify 0.090" and Samtec parts specify 0.100". These dimensional variations are within typical PCB design tolerances for through-hole connectors.

Q: Which substitute part offers the best RoHS compliance and extended temperature range?

A: TSW-125-14-G-D, TSW-125-14-L-D, and TSW-125-14-S-D all provide ROHS3 Compliant status with extended operating temperature range of -55°C to 125°C. TSW-125-14-S-D specifically matches the original 78548-150 contact finish thickness specification (30.0µin gold) while providing superior compliance and thermal performance.

Q: What are the implications of contact shape differences between substitutes?

A: The 78548-150 and most substitutes use square contact geometry, which provides consistent mating force and contact pressure distribution. TE Connectivity 2-87215-5 uses circular contacts, which may result in different mating force characteristics and contact reliability profiles. Square contact geometry is generally preferred for high-reliability applications due to more predictable contact behavior.

Q: Can I mix substitute parts from different manufacturers in the same assembly?

A: While all substitute parts maintain compatible pitch and position specifications, mixing manufacturers in the same assembly is not recommended. Different contact geometries, finish specifications, and insulation materials may result in inconsistent mating force, contact reliability, and thermal performance across the assembly. Maintain single-manufacturer consistency within a design.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message