TE Connectivity 5-146257-2 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 5-146257-2 is a rectangular connector header manufactured under the AMPMODU Mod II series. This through-hole vertical connector features 4 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing. The connector is designed for board-to-board or cable applications with solder termination and push-pull fastening. The part maintains Active product status with 702 units in current inventory. 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.

Key Parameters

Parameter	Value
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	4
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Shrouding	Unshrouded
Current Rating	3A
Operating Temperature Range	-65°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 5-146257-2 is determined by strict adherence to the following critical parameters:

Primary Substitution Criteria:

Pitch - Mating: 0.100" (2.54mm) - exact match required
Number of Positions: 4 - exact match required
Number of Rows: 2 - exact match required
Row Spacing - Mating: 0.100" (2.54mm) - exact match required
Contact Type: Male Pin - exact match required
Mounting Type: Through Hole - exact match required
Termination: Solder - exact match required
Fastening Type: Push-Pull - exact match required
Contact Shape: Square - exact match required
Shrouding: Unshrouded - exact match required
Current Rating: 3A - exact match required
Material Flammability Rating: UL94 V-0 - exact match required

Secondary Variation Parameters (Allowable Differences):

Contact Length - Mating: 0.230" (5.84mm) is standard; variations exist in substitute parts
Contact Length - Post: 0.120" (3.05mm) is standard; variations exist to accommodate different PCB thicknesses and stacking heights
Overall Contact Length: varies based on post length
Insulation Height: 0.090" (2.29mm) standard; 0.100" (2.54mm) acceptable in substitutes
Contact Material: Copper Alloy (main part) vs. Brass or Phosphor Bronze (substitutes)
Contact Finish - Mating: Gold or Tin acceptable
Insulation Material: LCP (main part) vs. Polyamide (PA6T) or Polybutylene Terephthalate (PBT) acceptable
Operating Temperature Range: -65°C ~ 105°C (main part) vs. -40°C ~ 105°C or -65°C ~ 125°C (substitutes)
RoHS Status: RoHS Compliant or ROHS3 Compliant acceptable
Connector Type: Header Breakaway or Header Cuttable acceptable

Substitute parts are grouped by contact post length to facilitate selection based on specific PCB mounting requirements and stacking height constraints.

Parameter Comparison

Parameter	5-146257-2 (TE)	M20-9980245 (Harwin)	M20-9980246 (Harwin)	PBC02DAAN (Sullins)	PBC02DABN (Sullins)	PBC02DACN (Sullins)	PBC02DAEN (Sullins)	PEC02DAAN (Sullins)	PEC02DABN (Sullins)	PEC02DACN (Sullins)	PEC02DADN (Sullins)
Manufacturer	TE Connectivity	Harwin Inc.	Harwin Inc.	Sullins	Sullins	Sullins	Sullins	Sullins	Sullins	Sullins	Sullins
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)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	4	4	4	4	4	4	4	4	4	4	4
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
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)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	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	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Length - Mating	0.230" (5.84mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)
Contact Length - Post	0.120" (3.05mm)	0.118" (3.00mm)	0.118" (3.00mm)	0.120" (3.05mm)	0.230" (5.84mm)	0.320" (8.13mm)	0.520" (13.21mm)	0.120" (3.05mm)	0.230" (5.84mm)	0.320" (8.13mm)	0.420" (10.67mm)
Overall Contact Length	0.440" (11.18mm)	0.460" (11.68mm)	0.460" (11.68mm)	0.450" (11.43mm)	0.560" (14.22mm)	0.650" (16.51mm)	0.850" (21.59mm)	0.450" (11.43mm)	0.560" (14.22mm)	0.650" (16.51mm)	0.750" (19.05mm)
Insulation Height	0.090" (2.29mm)	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)	0.100" (2.54mm)
Contact Material	Copper Alloy	Brass	Brass	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Contact Finish - Mating	Gold	Gold	Tin	Gold	Gold	Gold	Gold	Tin	Tin	Tin	Tin
Contact Finish - Post	Tin	Not Specified	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin
Insulation Material	Liquid Crystal Polymer (LCP)	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
Current Rating	3A	3A per Contact	3A per Contact	3A	3A	3A	3A	3A	3A	3A	3A
Operating Temperature Range	-65°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°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	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable	Not Applicable	Not Applicable	Not Applicable	Not Applicable	Not Applicable	Not Applicable
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and comply with RoHS requirements. Selection between the main part and substitutes is determined by specific application requirements related to contact post length and operating temperature range.

For applications requiring standard contact post length (0.120" / 3.05mm):

PBC02DAAN and PEC02DAAN provide direct dimensional equivalence to the main part with extended operating temperature range (-65°C ~ 125°C vs. -65°C ~ 105°C)
M20-9980245 and M20-9980246 from Harwin provide alternative contact post lengths (0.118" / 3.00mm) with reduced minimum operating temperature (-40°C vs. -65°C)

For applications requiring extended contact post lengths:

PBC02DABN and PEC02DABN accommodate 0.230" (5.84mm) post length
PBC02DACN and PEC02DACN accommodate 0.320" (8.13mm) post length
PBC02DAEN accommodates 0.520" (13.21mm) post length
PEC02DADN accommodates 0.420" (10.67mm) post length

Contact finish considerations:

Gold-plated mating contacts (5-146257-2, M20-9980245, PBC02DAAN, PBC02DABN, PBC02DACN, PBC02DAEN) provide enhanced corrosion resistance
Tin-plated mating contacts (M20-9980246, PEC02DAAN, PEC02DABN, PEC02DACN, PEC02DADN) offer cost optimization

Insulation material variations:

Liquid Crystal Polymer (LCP) in the main part provides superior dimensional stability
Polyamide (PA6T) in Harwin parts offers alternative material composition
Polybutylene Terephthalate (PBT) in Sullins parts provides established performance characteristics

All substitute parts maintain the required 3A current rating, UL94 V-0 flammability rating, and push-pull fastening mechanism.

Frequently Asked Questions (FAQ)

Q: Can M20-9980245 or M20-9980246 be used as direct replacements for the TE Connectivity 5-146257-2?

A: M20-9980245 and M20-9980246 are functionally compatible substitutes with identical pitch, position count, row configuration, and current rating. The contact post length differs by 0.002" (0.05mm), which is within typical PCB tolerance. The minimum operating temperature is reduced from -65°C to -40°C. These parts are suitable for applications not requiring the extended low-temperature performance of the main part.

Q: What is the difference between PBC02DAAN and PEC02DAAN?

A: Both parts share identical mechanical dimensions and contact post length (0.120" / 3.05mm). The primary difference is the contact finish on the mating surface: PBC02DAAN features gold plating while PEC02DAAN features tin plating. Both maintain the same 3A current rating and UL94 V-0 flammability rating. Selection depends on application requirements for corrosion resistance and cost considerations.

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

A: Contact post length determines the overall connector height and is selected based on PCB thickness and stacking height requirements. The main part and direct equivalents (PBC02DAAN, PEC02DAAN) feature 0.120" (3.05mm) post length. Extended post lengths are available in 0.230", 0.320", 0.420", and 0.520" configurations. Verify PCB thickness and available stacking height before selecting a substitute with different post length.

Q: Are all substitute parts RoHS compliant?

A: Yes. The main part is RoHS Compliant. All substitute parts are ROHS3 Compliant, which represents an updated compliance standard. Both designations satisfy RoHS requirements for restricted substance elimination.

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

A: Both connector types are functionally equivalent for the specified 4-position, 2-row configuration. Header Breakaway (main part and Sullins parts) indicates the connector can be separated into individual positions. Header Cuttable (Harwin M20 series) indicates the connector can be cut to separate positions. Both types maintain identical electrical and mechanical performance.

Q: Can I substitute a part with extended operating temperature range (-65°C ~ 125°C) for the main part rated -65°C ~ 105°C?

A: Yes. Substituting a part with an extended upper temperature rating (125°C vs. 105°C) is acceptable for applications operating within the original specification range (-65°C ~ 105°C). The extended rating provides additional thermal margin without affecting performance at the original operating limits.

Q: What is the significance of the contact material differences (Copper Alloy vs. Brass vs. Phosphor Bronze)?

A: All three materials provide adequate electrical conductivity and mechanical strength for the 3A current rating. Copper Alloy (main part) and Brass (Harwin) offer standard performance. Phosphor Bronze (Sullins) provides enhanced spring characteristics and wear resistance. Material selection does not affect electrical compatibility; selection is based on application-specific durability requirements.

Q: Are the Harwin M20-9980245 and M20-9980246 parts interchangeable with each other?

A: M20-9980245 and M20-9980246 are mechanically and electrically interchangeable. The primary difference is contact finish: M20-9980245 features gold-plated mating contacts while M20-9980246 features tin-plated mating contacts. Both maintain identical pitch, position count, current rating, and operating temperature range (-40°C ~ 105°C).

Q: What does "Number of Positions Loaded: All" mean?

A: This specification indicates that all 4 positions in the connector are populated with contacts. No empty or unpopulated positions exist in the connector body.

Q: Can I use a substitute part with a different insulation material (PBT or Polyamide) in place of the LCP insulation material?

A: Yes. PBT and Polyamide insulation materials are acceptable substitutes for LCP. All three materials meet the UL94 V-0 flammability requirement and provide adequate electrical insulation. Material selection does not affect electrical compatibility. LCP offers superior dimensional stability; PBT and Polyamide offer established performance in standard applications.

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