Amphenol ICC 76350-304-72LF Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 76350-304-72LF is a through-hole, right-angle rectangular connector header with 72 positions at 0.100" (2.54mm) pitch, designed for board-to-board applications. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance requirements. The BERGSTIK® series connector features male pins with solder termination and push-pull fastening, suitable for applications requiring reliable interconnection in compact form factors.

Key Parameters

Parameter	Value
Manufacturer Part Number	76350-304-72LF
Manufacturer	Amphenol ICC (FCI)
Series	BERGSTIK®
Product Status	Obsolete
Connector Type	Header
Contact Type	Male Pin
Number of Positions	72
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Contact Finish - Mating	Tin
Contact Material	Phosphor Bronze
Insulation Material	Thermoplastic
Insulation Color	Black
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution for the 76350-304-72LF is determined by the following critical parameters that must remain consistent:

Core Matching Criteria:

Number of Positions: 72
Number of Rows: 2
Pitch - Mating: 0.100" (2.54mm)
Row Spacing - Mating: 0.100" (2.54mm)
Connector Type: Header
Contact Type: Male Pin
Mounting Type: Through Hole, Right Angle
Termination: Solder
Fastening Type: Push-Pull
Style: Board to Board (or Board to Board or Cable)
Shrouding: Unshrouded
Material Flammability Rating: UL94 V-0
Insulation Color: Black

Allowable Variations:

Contact Shape: Square or Circular
Contact Finish - Mating: Tin or Gold
Contact Material: Phosphor Bronze, Brass, or Copper Alloy
Insulation Material: Thermoplastic, Polyamide (PA6T), Polycyclohexylenedimethylene Terephthalate (PCT), or Polybutylene Terephthalate (PBT)
Operating Temperature Range: May extend beyond original specifications
Current Rating and Voltage Rating: May be specified in active substitutes
RoHS Status: RoHS3 Compliant acceptable for RoHS Compliant requirement
Product Status: Active substitutes preferred over obsolete

All substitute parts listed maintain electrical and mechanical compatibility with the original 76350-304-72LF connector.

Parameter Comparison

Parameter	76350-304-72LF (Amphenol ICC)	61307221021 (Würth Elektronik)	802-80-072-20-001101 (Preci-Dip)	802-V3-072-20-001101 (Preci-Dip)	892-70-072-20-002101 (Preci-Dip)	892-80-072-20-002101 (Preci-Dip)	TSW-136-08-G-D-RA (Samtec)	TSW-136-08-L-D-RA (Samtec)	TSW-136-08-S-D-RA (Samtec)	TSW-136-08-T-D-RA (Samtec)
Number of Positions	72	72	72	72	72	72	72	72	72	72
Number of Rows	2	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)	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)	0.100" (2.54mm)
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Termination	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
Contact Shape	Square	Square	Circular	Circular	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Tin	Gold	Tin	Gold	Gold	Tin	Gold	Gold	Gold	Tin
Contact Material	Phosphor Bronze	Copper Alloy	Brass	Brass	Brass	Brass	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Thermoplastic	Polyamide (PA6T), Nylon 6T	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled	Polyamide (PA), Nylon, Glass Filled	Polyamide (PA), Nylon, Glass Filled	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
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
Operating Temperature	Not specified	-40°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 105°C
Current Rating (Amps)	Not specified	3A	3A	3A	3A	3A	Not specified	Not specified	Not specified	Not specified
Voltage Rating	Not specified	250V	150VDC	150VDC	150VDC	150VDC	Not specified	Not specified	Not specified	Not specified
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with the 76350-304-72LF based on core connector specifications. Selection among substitutes should be based on the following factors:

Product Status: All substitute parts carry Active product status, ensuring long-term availability and supply chain stability compared to the obsolete original part.

Compliance and Certifications: All substitutes maintain UL94 V-0 material flammability rating and REACH Unaffected status, matching the original part's regulatory compliance profile. Substitute parts with ROHS3 Compliant status exceed the original RoHS Compliant requirement, providing enhanced environmental compliance.

Moisture Sensitivity: Preci-Dip (802 and 892 series) and Samtec (TSW series) parts maintain MSL 1 (Unlimited) rating, matching the original specification. Würth Elektronik 61307221021 specifies Not Applicable MSL, indicating no moisture sensitivity constraints.

Operating Temperature Range: Preci-Dip and Samtec parts extend operating temperature to -55°C ~ 125°C, providing broader thermal performance than the original unspecified range. Würth Elektronik 61307221021 and Samtec TSW-136-08-T-D-RA specify -40°C ~ 105°C, suitable for standard industrial applications.

Contact Finish Options: Gold-plated variants (Würth 61307221021, Preci-Dip 802-V3-072-20-001101, 892-70-072-20-002101, Samtec TSW-136-08-G-D-RA, TSW-136-08-L-D-RA, TSW-136-08-S-D-RA) provide enhanced corrosion resistance. Tin-plated variants (Preci-Dip 802-80-072-20-001101, 892-80-072-20-002101, Samtec TSW-136-08-T-D-RA) match the original finish specification.

Contact Material Variations: Phosphor Bronze (original and Samtec TSW series) and Brass (Preci-Dip and Würth Copper Alloy) provide equivalent electrical performance within the 2.54mm pitch connector class.

Insulation Material: All substitutes employ engineering-grade thermoplastic materials (Polyamide, PCT, or PBT) meeting UL94 V-0 requirements, ensuring mechanical and thermal stability equivalent to the original thermoplastic specification.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different contact shape (circular instead of square)?

A: Yes. Preci-Dip 802-80-072-20-001101 and 802-V3-072-20-001101 feature circular contacts while maintaining all other critical parameters including pitch, position count, and mounting configuration. Contact shape variation does not affect mating compatibility within the 2.54mm pitch connector standard.

Q: What is the difference between gold-plated and tin-plated contact finishes?

A: Gold-plated contacts provide superior corrosion resistance and lower contact resistance over extended service life, particularly in humid or corrosive environments. Tin-plated contacts match the original 76350-304-72LF specification and are suitable for standard industrial applications with adequate environmental protection. Selection depends on application requirements and environmental exposure.

Q: Are all substitute parts compatible with the original mating connectors?

A: Yes. All substitute parts maintain the 0.100" (2.54mm) pitch, 72-position, 2-row configuration with identical mounting geometry and push-pull fastening, ensuring mechanical and electrical compatibility with existing mating connectors designed for the original part.

Q: What is the significance of ROHS3 Compliant versus RoHS Compliant status?

A: ROHS3 Compliant represents the current regulatory standard (RoHS Directive 2011/65/EU as amended), while RoHS Compliant refers to the original 2002/95/EC directive. ROHS3 Compliant parts exceed the original requirement and are suitable for all applications requiring RoHS compliance.

Q: Which substitute offers the widest operating temperature range?

A: Preci-Dip 802 and 892 series connectors and Samtec TSW-136-08-G-D-RA, TSW-136-08-L-D-RA, and TSW-136-08-S-D-RA all specify -55°C ~ 125°C operating temperature, providing the broadest thermal performance envelope for demanding applications.

Q: Can I mix substitute parts from different manufacturers in the same assembly?

A: Yes. All substitute parts maintain identical electrical and mechanical specifications for the 72-position, 2.54mm pitch connector interface. Mixed-manufacturer assemblies are mechanically and electrically compatible, though standardizing on a single manufacturer part number is recommended for supply chain consistency.

Q: What is the difference between Würth Elektronik WR-PHD series and Samtec TSW series?

A: Würth Elektronik 61307221021 specifies 3A current rating and 250V voltage rating with -40°C ~ 105°C operating temperature. Samtec TSW series variants do not specify current or voltage ratings but extend operating temperature to -55°C ~ 125°C (except TSW-136-08-T-D-RA at -55°C ~ 105°C). Selection depends on electrical performance requirements and thermal environment.

Q: Are substitute parts available in bulk packaging?

A: Yes. All substitute parts are available in Bulk packaging, with inventory levels ranging from 668 to 1146 pieces, ensuring adequate supply for production requirements.

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