TE Connectivity 5-146257-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 5-146257-4 is an 8-position vertical header connector with 2.54mm pitch, designed for through-hole board-to-board or cable applications. This connector features male pins with gold-plated mating contacts and tin-plated posts, housed in a liquid crystal polymer (LCP) insulation body. The part is active in production status with 1,081 pieces currently in stock. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support applications requiring alternative contact post lengths or material compositions while maintaining core electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	5-146257-4
Manufacturer	TE Connectivity AMP Connectors
Category	Rectangular Connectors
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
Current Rating	3A
Operating Temperature	-65°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 5-146257-4 are grouped based on strict electrical and mechanical parameter alignment. All substitutes maintain the following core compatibility criteria:

Critical Parameters for Substitution:

8-position, 2-row configuration with 0.100" (2.54mm) pitch
Male pin contact type
Through-hole solder termination
Push-pull fastening mechanism
3A current rating per contact
UL94 V-0 flammability rating
Unshrouded design
Square contact shape
Gold-plated mating contacts with tin-plated posts

Substitution Variables:

Contact post length (0.090" to 0.820" depending on application requirements)
Overall contact length (varies with post length)
Insulation material (LCP, Polyamide PA6T, or Polybutylene Terephthalate PBT)
Contact material (Copper Alloy or Phosphor Bronze)
Connector type variant (Breakaway or Cuttable)
Operating temperature range (-40°C to -65°C minimum; 105°C to 125°C maximum)

Parts are substitutable when the application PCB thickness and mating depth accommodate the contact post length, and when the operating temperature range of the substitute meets or exceeds the application requirement.

Parameter Comparison

Part Number	Manufacturer	Positions	Pitch (mm)	Contact Post Length (mm)	Overall Contact Length (mm)	Insulation Material	Contact Material	Mating Contact Finish	Current Rating (A)	Operating Temp (°C)	RoHS Status
5-146257-4	TE Connectivity	8	2.54	3.05	11.18	LCP	Copper Alloy	Gold	3	-65 to 105	RoHS Compliant
9-146261-0-04	TE Connectivity	8	2.54	2.29	10.41	LCP	Copper Alloy	Gold	3	-65 to 105	ROHS3 Compliant
M20-9760442	Harwin Inc.	8	2.54	3.10	11.48	Polyamide PA6T	Brass	Gold	3	-40 to 105	ROHS3 Compliant
M20-9980445	Harwin Inc.	8	2.54	3.00	11.68	Polyamide PA6T	Brass	Gold	3	-40 to 105	ROHS3 Compliant
M20-9980446	Harwin Inc.	8	2.54	3.00	11.68	Polyamide PA6T	Brass	Tin	3	-40 to 105	ROHS3 Compliant
PBC04DAAN	Sullins Connector Solutions	8	2.54	3.05	11.43	PBT	Phosphor Bronze	Gold	3	-65 to 125	ROHS3 Compliant
PBC04DABN	Sullins Connector Solutions	8	2.54	5.84	14.22	PBT	Phosphor Bronze	Gold	3	-65 to 125	ROHS3 Compliant
PBC04DAEN	Sullins Connector Solutions	8	2.54	13.21	21.59	PBT	Phosphor Bronze	Gold	3	-65 to 125	ROHS3 Compliant
PBC04DAHN	Sullins Connector Solutions	8	2.54	20.83	29.21	PBT	Phosphor Bronze	Gold	3	-65 to 125	ROHS3 Compliant
PEC04DAAN	Sullins Connector Solutions	8	2.54	3.05	11.43	PBT	Phosphor Bronze	Tin	3	-65 to 125	ROHS3 Compliant
PEC04DABN	Sullins Connector Solutions	8	2.54	5.84	14.22	PBT	Phosphor Bronze	Tin	3	-65 to 125	ROHS3 Compliant

Engineering Selection Recommendations

TE Connectivity 9-146261-0-04 is the primary equivalent substitute. This part maintains identical electrical specifications, series designation (AMPMODU Mod II), and material composition (LCP insulation, copper alloy contacts) as the 5-146257-4. The primary difference is a reduced contact post length of 2.29mm versus 3.05mm, resulting in a lower overall contact length of 10.41mm. This variant is suitable for applications with thinner PCB assemblies or where reduced insertion depth is required. Both parts carry active product status and RoHS compliance.

Harwin M20 Series (M20-9760442, M20-9980445, M20-9980446) provides substitution with alternative insulation material (Polyamide PA6T) and contact material (Brass). These parts maintain the 2.54mm pitch, 8-position configuration, and 3A current rating. The M20-9760442 offers contact post length of 3.10mm, closely matching the original 3.05mm specification. The M20-9980445 and M20-9980446 provide 3.00mm post length with identical overall contact length of 11.68mm. The M20-9980446 features tin-plated mating contacts instead of gold. Operating temperature range is -40°C to 105°C, which is narrower at the low end compared to the 5-146257-4. All Harwin M20 parts are ROHS3 compliant and carry active product status.

Sullins Connector Solutions PBC04 and PEC04 Series offer extended post length options (3.05mm to 20.83mm) for applications requiring deeper PCB penetration or cable-to-board configurations. These parts use Polybutylene Terephthalate (PBT) insulation and Phosphor Bronze contacts. The PBC04DAAN and PEC04DAAN variants provide post lengths matching the original 3.05mm specification. PBC04 series features gold-plated mating contacts, while PEC04 series features tin-plated mating contacts. All Sullins variants support extended operating temperature range of -65°C to 125°C and carry ROHS3 compliance and active product status.

Selection Criteria:

For direct replacement with minimal design modification: 9-146261-0-04 or PBC04DAAN
For applications requiring reduced insertion depth: 9-146261-0-04
For applications requiring extended post length: PBC04DABN, PBC04DAEN, PBC04DAHN, PEC04DABN
For applications requiring extended temperature range: Any Sullins PBC04 or PEC04 variant
For applications with tin-plated contact preference: M20-9980446, PEC04DAAN, PEC04DABN

Frequently Asked Questions (FAQ)

Q: Can the 9-146261-0-04 be used as a direct replacement for the 5-146257-4?

A: The 9-146261-0-04 is electrically and mechanically compatible for most applications. The primary difference is contact post length: 2.29mm versus 3.05mm. Substitution is valid when the application PCB thickness accommodates the shorter post length. Both parts are TE Connectivity AMPMODU Mod II series with identical pitch, position count, current rating, and operating temperature range.

Q: What is the difference between Harwin M20 and Sullins PBC04/PEC04 connectors?

A: Harwin M20 connectors use Polyamide PA6T insulation and Brass contacts with operating temperature range of -40°C to 105°C. Sullins PBC04/PEC04 connectors use Polybutylene Terephthalate (PBT) insulation and Phosphor Bronze contacts with extended operating temperature range of -65°C to 125°C. Both maintain 2.54mm pitch and 3A current rating. Material selection depends on application thermal requirements and environmental exposure.

Q: How do I select the correct post length for my application?

A: Contact post length determines how deeply the connector penetrates the PCB. Standard post lengths of 3.00mm to 3.10mm are suitable for typical 1.6mm PCB thickness with standard solder joint depth. Shorter posts (2.29mm) are used for thin PCB assemblies. Longer posts (5.84mm to 20.83mm) are used for cable-to-board applications or when additional mechanical support is required. Verify your PCB thickness and mating depth requirements before selection.

Q: What is the difference between gold-plated and tin-plated mating contacts?

A: Gold-plated mating contacts (5-146257-4, 9-146261-0-04, M20-9760442, M20-9980445, PBC04 series) provide superior corrosion resistance and lower contact resistance. Tin-plated mating contacts (M20-9980446, PEC04 series) offer cost reduction with acceptable performance in non-corrosive environments. Both finishes are applied over copper alloy or brass base materials. Selection depends on application environment and cost constraints.

Q: Are all substitute parts RoHS compliant?

A: Yes. The 5-146257-4 is RoHS Compliant. All listed substitute parts carry either RoHS Compliant or ROHS3 Compliant status, confirming compliance with restricted substance directives. ROHS3 represents the current regulatory standard.

Q: Can I use a connector with a different operating temperature range?

A: Substitute parts must support the minimum and maximum operating temperatures of your application. The 5-146257-4 operates from -65°C to 105°C. Harwin M20 series operates from -40°C to 105°C, which is narrower at the low end. Sullins PBC04/PEC04 series operates from -65°C to 125°C, which exceeds the original specification. Select a substitute with an operating temperature range that meets or exceeds your application requirements.

Q: What is the difference between Breakaway and Cuttable connector types?

A: Breakaway connectors (5-146257-4, 9-146261-0-04, Sullins PBC04/PEC04) feature individual pin rows that can be separated by breaking along a designed weak point. Cuttable connectors (Harwin M20 series) feature continuous pin rows that can be cut to the desired length using a cutting tool. Both types maintain electrical and mechanical compatibility within their respective series. Selection depends on assembly process and final connector configuration requirements.

Q: Is moisture sensitivity a concern for these connectors?

A: The 5-146257-4 carries Moisture Sensitivity Level (MSL) 1, indicating unlimited shelf life without moisture control. Harwin M20 series also carries MSL 1. Sullins PBC04/PEC04 series carries "Not Applicable" MSL designation. All parts can be stored and handled without special moisture control measures.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message