Amphenol ICC 78548-150H Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 78548-150H is a rectangular connector header featuring 50 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing. This through-hole mounted connector is part of the BERGSTIK® II series and is designed for board-to-board applications. The part is currently active in production with 857 pieces in stock. Equivalent and substitute parts are identified when design requirements allow flexibility in contact finish, insulation material, or operating temperature ranges while maintaining core electrical and mechanical compatibility.

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
Fastening Type	Push-Pull
Style	Board to Board
Shrouding	Unshrouded
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the 78548-150H is determined by strict equivalence in the following core parameters:

Number of positions: 50
Number of rows: 2
Pitch spacing: 0.100" (2.54mm)
Connector type: Header with male pins
Mounting: Through-hole solder termination
Fastening: Push-Pull mechanism
Style: Board-to-board or board-to-cable compatibility
Flammability: UL94 V-0 rating

Substitute parts may vary in the following parameters without affecting functional compatibility:

Contact finish composition (gold, tin, or combinations)
Contact finish thickness
Insulation material (PCT, thermoplastic, LCP, or PBT)
Insulation height (within 0.090" to 0.100")
Contact shape (square or circular)
Operating temperature range
RoHS compliance status
Manufacturer series designation

Parameter Comparison

Parameter	78548-150H (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
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)
Contact Type	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
Termination	Kinked Pin, Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
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 Finish - Post	Not specified	Gold	Tin	Gold	Tin	Tin	Tin
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT)	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
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
Inventory	857 Pcs	1314 Pcs	1630 Pcs	908 Pcs	942 Pcs	837 Pcs	942 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain active product status and meet the core mechanical and electrical requirements for 50-position, 2-row, 2.54mm pitch header connectors with through-hole solder termination and push-pull fastening.

The TE Connectivity 2-87215-5 and 7-146252-5 are manufacturer-recommended equivalents with higher inventory availability (1314 and 1630 pieces respectively) and RoHS compliance. The 2-87215-5 features circular contact geometry and thermoplastic insulation, while the 7-146252-5 offers square contact geometry with LCP insulation and breakaway connector capability.

The Samtec TSW series (TSW-125-14-G-D, TSW-125-14-L-D, TSW-125-14-S-D, TSW-125-14-T-D) provides extended operating temperature ranges up to 125°C and ROHS3 compliance. These variants differ in contact finish specifications: TSW-125-14-G-D features gold mating and post finishes; TSW-125-14-L-D and TSW-125-14-S-D feature tin post finishes with gold or gold mating finishes respectively; TSW-125-14-T-D features tin on both mating and post surfaces with a maximum operating temperature of 105°C.

Selection should be based on specific application requirements regarding RoHS compliance, operating temperature range, contact finish durability, and insulation material compatibility with the target PCB assembly process.

Frequently Asked Questions (FAQ)

Q: Can the 78548-150H be directly replaced with any of the listed substitutes?

A: Direct replacement is possible when the application requirements align with the substitute part specifications. All listed parts share identical pitch spacing (2.54mm), position count (50), row configuration (2), and mounting method (through-hole solder). Differences in contact finish, insulation material, and operating temperature range must be evaluated against specific application constraints.

Q: What is the primary difference between the TE Connectivity and Samtec substitute options?

A: The TE Connectivity parts (2-87215-5 and 7-146252-5) maintain compatibility with the original 78548-150H's insulation height and contact length specifications. The Samtec TSW series offers extended operating temperature capability (up to 125°C) and ROHS3 compliance, with slightly reduced contact post length (0.110" versus 0.120-0.125").

Q: Does RoHS compliance affect functional compatibility?

A: RoHS compliance status does not affect electrical or mechanical compatibility. The 78548-150H is RoHS non-compliant, while all substitute parts are RoHS or ROHS3 compliant. Selection should be based on regulatory requirements for the end application.

Q: Are there differences in contact finish that impact reliability?

A: Contact finish variations (gold thickness, tin plating, or combinations) affect corrosion resistance and long-term contact reliability under specific environmental conditions. Gold finishes provide superior corrosion resistance; tin finishes offer cost efficiency. The 78548-150H specifies 30.0µin gold finish thickness. Samtec TSW-125-14-G-D matches this specification, while other variants offer reduced thickness or alternative finishes.

Q: What is the significance of contact shape differences (square versus circular)?

A: Contact shape affects insertion force and contact pressure distribution. The 78548-150H uses square contacts; the TE Connectivity 2-87215-5 uses circular contacts. Both geometries are functionally compatible within the 2.54mm pitch standard, but insertion force characteristics may differ slightly.

Q: Can the 78548-150H be used in applications requiring extended temperature operation?

A: The 78548-150H does not specify an operating temperature range. For applications requiring operation beyond -55°C to 105°C, the Samtec TSW series (rated to -55°C to 125°C) provides extended capability.

Q: What packaging considerations apply to these connectors?

A: All listed parts are supplied in bulk packaging. The 78548-150H is available with 857 pieces in stock. Substitute availability varies: TE Connectivity 7-146252-5 offers the highest inventory (1630 pieces), followed by 2-87215-5 (1314 pieces). Samtec TSW variants range from 837 to 942 pieces in stock.

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