Amphenol ICC 54101-T30-03 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 54101-T30-03 is a rectangular connector header, vertical mount, 3-position, 2.54mm pitch, designed for through-hole soldering applications. This BERGSTIK® series connector features unshrouded male pins with square contact geometry and tin plating. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility for board-to-board interconnection applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	54101-T30-03
Manufacturer	Amphenol ICC (FCI)
Category	Rectangular Connectors
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	3
Number of Rows	1
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Overall Contact Length	0.538" (13.67mm)
Insulation Height	0.100" (2.54mm)
Contact Shape	Square
Contact Finish - Mating	Tin
Current Rating	3A per Contact
Operating Temperature	-65°C ~ 125°C
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 54101-T30-03 is determined by strict alignment of the following critical parameters:

Primary Matching Criteria:

Pitch - Mating: 0.100" (2.54mm) — mandatory for mechanical interchangeability
Number of Positions: 3 — exact position count required
Number of Rows: 1 — single-row configuration
Connector Type: Header — functional classification
Contact Type: Male Pin — gender compatibility
Mounting Type: Through Hole — PCB assembly method
Termination: Solder — connection method
Fastening Type: Push-Pull — mating mechanism
Material Flammability Rating: UL94 V-0 — safety compliance

Secondary Compatibility Parameters:

Overall Contact Length: 0.538" (13.67mm) — acceptable tolerance range ±0.013"
Insulation Height: 0.100" (2.54mm) — board clearance requirement
Contact Shape: Square — preferred but circular acceptable within tolerance
Current Rating: 3A per Contact — minimum electrical capacity
Operating Temperature: -65°C ~ 125°C — thermal envelope

Substitute parts meeting these criteria are functionally equivalent for direct replacement in existing PCB designs. Variations in contact finish (gold vs. tin), insulation material composition, and RoHS compliance status do not affect electrical or mechanical interchangeability when all primary criteria are satisfied.

Parameter Comparison

Parameter	54101-T30-03 (Main)	0423753604 (Molex)	2303-6211-TB (3M)	2303-6211-TP (3M)	351-10-103-00-004101 (Preci-Dip)	826648-3 (TE)	929700-01-03 (3M)	929700-11-03-RK (3M)	929705-01-03-EU (3M)	929705-01-03-I (3M)	929705-06-03-EU (3M)
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	3	3	3	3	3	3	3	3	3	3	3
Number of Rows	1	1	1	1	1	1	1	1	1	1	1
Connector Type	Header	Header, Breakaway	Header	Header	Header	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway
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
Overall Contact Length	0.538" (13.67mm)	0.540" (13.72mm)	0.538" (13.67mm)	0.538" (13.67mm)	0.575" (14.60mm)	0.551" (14.00mm)	0.528" (13.42mm)	0.543" (13.80mm)	0.528" (13.42mm)	0.528" (13.42mm)	1.128" (28.65mm)
Insulation Height	0.100" (2.54mm)	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.116" (2.95mm)	0.110" (2.79mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square	Circular	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Tin	Tin	Gold	Tin-Lead	Gold	Gold	Tin-Lead	Tin	Gold	Gold	Gold
Current Rating	3A per Contact	—	3A	3A	3A	5A	2.5A	2.5A	2.5A	2.5A	2.5A
Operating Temperature	-65°C ~ 125°C	—	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	-65°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°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	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black	Green	Black	Black	Black	Black	Black
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	RoHS non-compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The 3M 2303-6211-TB and 2303-6211-TP represent the closest functional equivalents to the 54101-T30-03. Both maintain identical pitch, position count, row configuration, mounting type, and termination method. Contact length and insulation height match the original specification exactly. Both are active products with UL94 V-0 flammability rating and unlimited moisture sensitivity. The 2303-6211-TB features gold plating on mating contacts, while the 2303-6211-TP uses tin-lead plating. Operating temperature range is -55°C to 105°C, which covers the majority of industrial applications within the original -65°C to 125°C envelope.

Secondary Substitutes (Acceptable with Verification):

The 3M 929700-11-03-RK and 929705-01-03-EU provide electrical and mechanical compatibility with minor parameter variations. Both maintain the 2.54mm pitch, 3-position, single-row configuration. The 929700-11-03-RK achieves RoHS compliance and uses tin plating. The 929705-01-03-EU is RoHS compliant with gold plating. Current rating is 2.5A per contact, which is lower than the original 3A specification. Operating temperature range is -40°C to 105°C, reducing the lower temperature limit by 25°C. These parts are suitable for applications not requiring the full original temperature range.

Alternative Substitutes (Conditional Compatibility):

The Molex 0423753604 and TE Connectivity 826648-3 offer functional substitution with documented parameter deviations. The Molex part has insulation height of 0.090" (2.29mm), which is 0.010" below the original specification, potentially affecting board clearance in space-constrained designs. The TE part features 5A current rating, exceeding the original 3A specification, and uses gold plating. Both maintain the required pitch, position count, and mounting configuration.

The Preci-Dip 351-10-103-00-004101 uses circular contact geometry instead of square, and overall contact length is 0.575" (14.60mm), exceeding the original by 0.037". This part is RoHS3 compliant and rated for 150VDC. Substitution requires verification of mechanical fit in existing connector cavities.

Compliance Considerations:

For applications requiring RoHS compliance, select from: Molex 0423753604, Preci-Dip 351-10-103-00-004101, TE Connectivity 826648-3, 3M 929700-11-03-RK, 3M 929705-01-03-EU, or 3M 929705-06-03-EU. The 3M 929705-06-03-EU has extended post length (0.710" / 18.03mm) and overall contact length (1.128" / 28.65mm), suitable only for applications with specific depth requirements.

For applications requiring REACH compliance, avoid: 54101-T30-03 (original), 2303-6211-TB, 2303-6211-TP, and 929700-01-03. All other listed substitutes are REACH unaffected or compliant.

Frequently Asked Questions (FAQ)

Q: Can the 54101-T30-03 be directly replaced with any of the listed substitutes?

A: Direct replacement is possible for parts maintaining identical pitch (0.100" / 2.54mm), position count (3), row configuration (1), and contact length within ±0.013" tolerance. The 3M 2303-6211-TB and 2303-6211-TP meet all primary criteria. Other substitutes require verification of mechanical fit and electrical performance within the application's operating envelope.

Q: What is the significance of contact finish differences (tin vs. gold)?

A: Contact finish affects corrosion resistance and mating force characteristics. Tin plating provides cost-effective performance in standard environments. Gold plating offers superior corrosion resistance in high-humidity or corrosive atmospheres and reduces contact resistance. Both finishes are electrically compatible with standard mating connectors.

Q: Does the 2.5A current rating of 3M 929 series parts affect compatibility?

A: The 929 series parts are rated for 2.5A per contact, compared to the original 3A specification. These parts are suitable for applications drawing less than 2.5A per contact. For applications requiring the full 3A capacity, select substitutes maintaining the 3A or higher rating: 2303-6211-TB, 2303-6211-TP, 351-10-103-00-004101, or 826648-3.

Q: Are there packaging differences between substitutes?

A: Packaging is specified as bulk for most substitutes. The Molex 0423753604 and Preci-Dip 351-10-103-00-004101 are explicitly packaged in bulk. Packaging does not affect electrical or mechanical interchangeability; it relates only to order quantity and handling.

Q: What is the impact of operating temperature range reduction in substitute parts?

A: The original 54101-T30-03 operates from -65°C to 125°C. Most substitutes operate from -40°C to 105°C or -55°C to 105°C. For applications operating within -40°C to 105°C, all listed substitutes are suitable. For applications requiring operation below -40°C or above 105°C, verify the specific substitute's temperature rating against application requirements.

Q: Can the Preci-Dip 351-10-103-00-004101 with circular contacts replace the square-contact original?

A: Circular and square contacts have different mating characteristics and cavity geometries. The Preci-Dip part is mechanically and electrically compatible only if the mating connector cavity is designed to accept circular contacts. Verify cavity compatibility before substitution.

Q: Which substitute offers the best RoHS and REACH compliance?

A: The 3M 929705-01-03-EU and 929705-06-03-EU are RoHS3 compliant and REACH unaffected, providing the most comprehensive regulatory compliance. The TE Connectivity 826648-3 is RoHS compliant and REACH unaffected. The Molex 0423753604 and Preci-Dip 351-10-103-00-004101 are ROHS3 compliant and REACH unaffected.

Q: Is the TE Connectivity 826648-3 with 5A rating a direct upgrade?

A: The 826648-3 exceeds the original 3A specification with 5A per contact rating, making it suitable for higher-current applications. All other parameters align with substitution criteria. The higher current rating does not prevent use in 3A applications; it simply provides additional capacity margin.

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