TE Connectivity AMP Connectors 146252-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 146252-4 is a rectangular connector header designed for through-hole mounting applications. This connector features 8 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing, suitable for board-to-board or cable interconnections. The part operates within a temperature range of -65°C to 105°C and carries a current rating of 3A.

The 146252-4 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production and maintenance requirements for systems utilizing this connector type.

Key Parameters

Parameter	Value
Connector Type	Header, Breakaway
Contact Type	Male Pin
Number of Positions	8
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
Shrouding	Unshrouded
Operating Temperature	-65°C ~ 105°C
Current Rating	3A
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 146252-4 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

Number of Positions: 8
Number of Rows: 2
Pitch - Mating: 0.100" (2.54mm)
Row Spacing - Mating: 0.100" (2.54mm)
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Shrouding: Unshrouded

Allowable Variation Parameters:

Contact Length - Mating: Variation permitted within mechanical envelope constraints
Contact Length - Post: Variation permitted within mechanical envelope constraints
Overall Contact Length: Variation permitted within mechanical envelope constraints
Insulation Height: Variation permitted within mechanical envelope constraints
Contact Shape: Variation permitted (Square or Circular acceptable)
Contact Finish - Mating: Variation permitted (Gold or Tin acceptable)
Contact Material: Variation permitted (Copper Alloy, Phosphor Bronze, or Brass acceptable)
Insulation Material: Variation permitted (LCP, PBT, or Polyester Glass Filled acceptable)
Operating Temperature: Minimum range must encompass -55°C to 85°C; maximum range must encompass 85°C to 105°C
Current Rating: Minimum 3A required
Product Status: Active status preferred for new designs; Obsolete acceptable for legacy support

Three substitute parts meet these criteria: BBD-104-T-B (Samtec Inc.), 67998-408HLF (Amphenol ICC/FCI), and A1-8PA-2.54DSA(71) (Hirose Electric Co Ltd).

Parameter Comparison

Parameter	146252-4 (TE Connectivity)	BBD-104-T-B (Samtec)	67998-408HLF (Amphenol ICC)	A1-8PA-2.54DSA(71) (Hirose)
Connector Type	Header, Breakaway	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	8	8	8	8
Number of Rows	2	2	2	2
Pitch - Mating	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)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Length - Mating	0.318" (8.08mm)	0.125" (3.18mm)	0.318" (8.08mm)	0.236" (6.00mm)
Contact Length - Post	0.125" (3.18mm)	0.125" (3.18mm)	0.107" (2.71mm)	0.118" (3.00mm)
Overall Contact Length	0.533" (13.55mm)	0.585" (14.86mm)	0.525" (13.34mm)	0.454" (11.54mm)
Insulation Height	0.090" (2.29mm)	0.335" (8.51mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Circular	Square	Square
Contact Finish - Mating	Gold	Tin	Tin	Gold
Contact Material	Copper Alloy	Not specified	Phosphor Bronze	Brass
Insulation Material	Liquid Crystal Polymer (LCP)	Polyester, Glass Filled	Not specified	Polybutylene Terephthalate (PBT)
Operating Temperature	-65°C ~ 105°C	-55°C ~ 125°C	Not specified	-55°C ~ 85°C
Current Rating	3A	Not specified	5A	3A
Material Flammability Rating	UL94 V-0	Not specified	UL94 V-0	UL94 V-0
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BBD-104-T-B (Samtec Inc.) is an active product with ROHS3 compliance. This part meets all mandatory substitution parameters and operates across an extended temperature range of -55°C to 125°C, exceeding the original part's specification. The circular contact shape and polyester glass-filled insulation material represent acceptable variations. Insulation height is significantly greater at 0.335" (8.51mm) compared to the original 0.090" (2.29mm), which may require mechanical envelope verification during integration.

67998-408HLF (Amphenol ICC/FCI) is an active product with RoHS compliance. This part satisfies all mandatory substitution criteria and provides a higher current rating of 5A compared to the original 3A specification. Contact length for mating matches the original part exactly at 0.318" (8.08mm). Insulation material specification is not provided. This part is suitable for applications requiring enhanced current capacity.

A1-8PA-2.54DSA(71) (Hirose Electric Co Ltd) is an active product with ROHS3 compliance. This part meets all mandatory substitution parameters with matching contact type, pitch, and row spacing. Operating temperature range is -55°C to 85°C, which covers the lower portion of the original specification but does not extend to the original maximum of 105°C. Contact length for mating is 0.236" (6.00mm), shorter than the original 0.318" (8.08mm). This part is suitable for applications operating within the -55°C to 85°C range.

All three substitute parts carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original part. All three are classified under ECCN EAR99 and HTSUS 8536.69.4040, consistent with the original part.

Frequently Asked Questions (FAQ)

Q: What determines whether a connector can substitute for the 146252-4?

A: Substitution is determined by exact matching of connector position count (8), row configuration (2 rows), mating pitch (0.100"/2.54mm), row spacing (0.100"/2.54mm), contact type (Male Pin), mounting method (Through Hole), termination type (Solder), fastening mechanism (Push-Pull), and shrouding configuration (Unshrouded). Variations in contact length, contact shape, contact finish, contact material, insulation material, and operating temperature range are permitted within the allowable parameters specified for this connector category.

Q: Can I use the BBD-104-T-B as a direct replacement if my application operates at 125°C?

A: The BBD-104-T-B operates to 125°C, which exceeds the original part's maximum of 105°C. However, the insulation height of 0.335" (8.51mm) is substantially greater than the original 0.090" (2.29mm). Mechanical envelope compatibility with your PCB layout and mating connector must be verified before implementation.

Q: Which substitute part is best for applications requiring higher current capacity?

A: The 67998-408HLF provides a current rating of 5A, compared to the original 3A specification. This part maintains matching contact length for mating at 0.318" (8.08mm) and is RoHS compliant. It is suitable for applications requiring enhanced current handling capability within the same physical footprint.

Q: Does the A1-8PA-2.54DSA(71) work for all temperature ranges of the original part?

A: The A1-8PA-2.54DSA(71) operates from -55°C to 85°C. The original part operates from -65°C to 105°C. This substitute part does not cover the full temperature range of the original. It is suitable only for applications operating within the -55°C to 85°C window.

Q: Are all three substitute parts RoHS compliant?

A: Yes. The BBD-104-T-B and A1-8PA-2.54DSA(71) are ROHS3 compliant. The 67998-408HLF is RoHS compliant. The original 146252-4 is RoHS non-compliant. All three substitutes meet current RoHS requirements for new designs.

Q: What is the difference in contact shape between these parts?

A: The original 146252-4 and the 67998-408HLF and A1-8PA-2.54DSA(71) use square contacts. The BBD-104-T-B uses circular contacts. Contact shape variation is permitted within substitution parameters. Circular contacts provide different contact pressure characteristics compared to square contacts but maintain electrical and mechanical compatibility within the 2.54mm pitch standard.

Q: Can I mix and match these substitute parts in the same application?

A: All three substitute parts meet the mandatory substitution criteria for the 146252-4. However, mixing different manufacturers' connectors in a single application introduces variations in contact geometry, insulation material, and operating temperature range. For consistency and predictable performance, use a single substitute part throughout the application.

Q: What packaging options are available for these substitutes?

A: The BBD-104-T-B is supplied in Tube packaging. The 67998-408HLF is supplied in Bulk packaging. The A1-8PA-2.54DSA(71) is supplied in Tray packaging. Packaging selection should align with your procurement and assembly requirements.

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