78548-210H Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 78548-210H is a rectangular connector header featuring a vertical through-hole mount configuration with 10 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This connector is part of the BERGSTIK® II series and utilizes male pin contacts with kinked pin solder termination and push-pull fastening. The 78548-210H is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	10
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Style	Board to Board
Shrouding	Unshrouded
Fastening Type	Push-Pull
Contact Shape	Square
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT)
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 78548-210H is determined by strict equivalence across the following critical parameters:

Connector type (Header), contact type (Male Pin), and fastening mechanism (Push-Pull)
Position count (10) and row configuration (2 rows)
Mating pitch and row spacing (0.100" / 2.54mm)
Through-hole mounting and board-to-board style
Unshrouded design with square contact geometry
Flammability rating (UL94 V-0) and insulation material compatibility

Substitute parts are grouped into two primary categories based on manufacturer and contact finish specifications:

Category 1: Amphenol ICC BERGSTIK® II Series

78548-210HLF: Active status equivalent with RoHS compliance and gold contact finish
68691-110HLF: Alternative Amphenol ICC header with extended operating temperature range (-65°C to 130°C) and higher current rating (3A)

Category 2: 3M 929 Series Headers

929710-01-05, 929710-01-05-RK, 929710-06-05-RK, 929710-10-05, 929710-10-05-RK, 929710-11-05-RK: Tin or tin-lead contact finishes with varying post lengths
929715-01-05-EU, 929715-01-05-I: Gold contact finish variants

Substitution within each category is valid based on matching pitch, position count, row configuration, and mounting type. Variations in contact post length, contact finish, and insulation material do not prevent functional substitution when mechanical and electrical requirements align.

Parameter Comparison

Parameter	78548-210H	78548-210HLF	68691-110HLF	929710-01-05	929710-01-05-RK	929710-10-05-RK	929710-11-05-RK	929715-01-05-EU	929715-01-05-I
Manufacturer	Amphenol ICC	Amphenol ICC	Amphenol ICC	3M	3M	3M	3M	3M	3M
Series	BERGSTIK® II	BERGSTIK® II	BERGSTIK® II	929	929	929	929	929	929
Product Status	Obsolete	Active	Active	RoHS non-compliant	Active	Active	Active	Active	Active
Number of Positions	10	10	10	10	10	10	10	10	10
Number of Rows	2	2	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)	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)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Style	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™	Tin-Lead	Tin	Tin	Tin	Gold	Gold
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy
Insulation Material	PCT	PCT	Not specified	PBT, Polyester, Glass Filled	PCT	PCT	PCT	PCT	PBT, Polyester, Glass Filled
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
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black
Operating Temperature	Not specified	Not specified	-65°C ~ 130°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Current Rating (Amps)	Not specified	Not specified	3A	2.5A	2.5A	2.5A	2.5A	2.5A	2.5A
RoHS Status	RoHS non-compliant	RoHS Compliant	RoHS Compliant	RoHS non-compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For RoHS Compliant Applications: Select 78548-210HLF, 68691-110HLF, 929710-01-05-RK, 929710-10-05-RK, 929710-11-05-RK, 929715-01-05-EU, or 929715-01-05-I. All are RoHS compliant and maintain active product status.

For Extended Temperature Range: The 68691-110HLF supports -65°C to 130°C operating temperature, compared to the standard -40°C to 105°C range of 3M 929 series alternatives. Select 68691-110HLF when thermal extremes are required.

For Higher Current Capacity: The 68691-110HLF is rated for 3A, while 3M 929 series parts are rated for 2.5A. Select 68691-110HLF for applications requiring higher current handling.

For Gold Contact Finish: Select 929715-01-05-EU or 929715-01-05-I for gold mating contact finish with 10.0µin (0.25µm) thickness, matching the original 78548-210H specification.

For Amphenol ICC Continuity: Select 78548-210HLF or 68691-110HLF to maintain manufacturer consistency within the BERGSTIK® II series.

For 3M Alternatives: The 929710 and 929715 series provide functional equivalence with varying contact post lengths (0.110" to 0.710") and contact finishes (tin or gold). Selection depends on specific PCB design requirements and contact length specifications.

Frequently Asked Questions (FAQ)

Q: Can 78548-210HLF directly replace 78548-210H? A: Yes. Both are Amphenol ICC BERGSTIK® II series headers with identical pitch (0.100" / 2.54mm), position count (10), row configuration (2), and mounting type (through-hole). The primary difference is product status: 78548-210H is obsolete while 78548-210HLF is active. 78548-210HLF also provides RoHS compliance.

Q: Are 3M 929 series parts compatible with the original 78548-210H? A: Yes, functionally compatible. All 929 series parts maintain the same pitch, position count, row spacing, and board-to-board through-hole mounting. Differences exist in contact material (copper alloy vs. phosphor bronze), contact finish (tin or gold vs. gold), and insulation material (PBT or PCT). These differences do not prevent mechanical or electrical substitution when design requirements align.

Q: What is the significance of contact post length variations in 3M 929 series? A: Contact post length determines the depth of insertion into the PCB. 929710-01-05 and 929710-01-05-RK feature 0.110" (2.79mm) posts; 929710-06-05-RK features 0.710" (18.03mm) posts; 929710-10-05 and 929710-10-05-RK feature 0.175" (4.45mm) posts; 929710-11-05-RK features 0.125" (3.18mm) posts. Selection depends on PCB thickness and solder joint requirements.

Q: Does contact finish affect substitution compatibility? A: Contact finish does not prevent substitution when mating requirements are met. Gold finishes (78548-210H, 78548-210HLF, 929715-01-05-EU, 929715-01-05-I) provide superior corrosion resistance. Tin finishes (929710 series) are cost-effective alternatives. Selection depends on environmental exposure and reliability requirements.

Q: What packaging options are available? A: 78548-210H is supplied in bulk packaging. 78548-210HLF is supplied in bulk packaging. 68691-110HLF is supplied in bag packaging. All 3M 929 series parts are supplied in bulk packaging. Packaging does not affect electrical or mechanical compatibility.

Q: Is the 68691-110HLF suitable for high-temperature applications? A: Yes. The 68691-110HLF supports -65°C to 130°C operating temperature, exceeding the standard -40°C to 105°C range of other alternatives. It is the appropriate selection for thermal extremes.

Q: What is the difference between 929710-01-05 and 929710-01-05-RK? A: Both feature identical pitch, position count, and row configuration. The primary difference is RoHS compliance: 929710-01-05 is RoHS non-compliant with tin-lead contact finish, while 929710-01-05-RK is RoHS compliant with tin contact finish and tin post finish. For new designs, 929710-01-05-RK is the appropriate selection.

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