Amphenol ICC 77314-824LF Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 77314-824LF is a rectangular connector header, vertical orientation, 6-position, 2.54mm pitch, designed for through-hole board-to-board or cable applications. This BERGSTIK® series component features male pins with gold-plated mating contacts and tin-plated posts, rated for 3A continuous current and operating temperatures from -65°C to 130°C. The part is currently active in production with RoHS compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are necessary when addressing supply chain constraints, obsolescence of related components, or specific application requirements for contact finish, insulation material, or operating temperature ranges.

Key Parameters

Parameter	77314-824LF
Manufacturer	Amphenol ICC (FCI)
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	6
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Finish - Mating	Gold, GXT™
Contact Finish - Post	Tin
Contact Material	Phosphor Bronze
Insulation Material	Thermoplastic
Operating Temperature	-65°C ~ 130°C
Current Rating	3A
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the 77314-824LF is determined by strict alignment of the following critical parameters: mating pitch (0.100" / 2.54mm), number of positions (6), number of rows (2), row spacing (0.100" / 2.54mm), connector type (header, breakaway), contact type (male pin), mounting type (through hole), termination method (solder), contact shape (square), fastening type (push-pull), insulation color (black), current rating (3A), material flammability rating (UL94 V-0), and moisture sensitivity level (1 / Unlimited).

Substitute parts are grouped into two categories based on product status and compliance:

Active Production Substitutes: Parts with active product status and current RoHS compliance (5-146254-3, 5-146256-3, 5-146257-3, 5-146261-3, HTSW-103-07-G-D). These parts maintain full compatibility with the 77314-824LF across all critical electrical and mechanical parameters while offering alternative contact finishes, insulation materials, or operating temperature ranges.

Obsolete or Legacy Substitutes: Parts with obsolete product status or non-compliant RoHS status (104350-3, 146256-3). These parts share core dimensional and electrical compatibility but are no longer in active production or do not meet current regulatory requirements.

Parameter Comparison

Parameter	77314-824LF	5-146254-3	5-146256-3	5-146257-3	5-146261-3	HTSW-103-07-G-D	104350-3	146256-3
Manufacturer	Amphenol ICC	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	Samtec Inc.	TE Connectivity	TE Connectivity
Series	BERGSTIK®	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	HTSW	AMPMODU Mod II	AMPMODU Mod II
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)
Number of Positions	6	6	6	6	6	6	6	6
Number of Rows	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)
Connector Type	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header	Header, Breakaway	Header, Breakaway
Contact Type	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
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Press-Fit, Solder	Solder
Contact Finish - Mating	Gold, GXT™	Tin	Gold	Gold	Gold	Gold	Gold	Gold
Contact Finish - Post	Tin	Tin	Tin	Tin	Tin	Gold	Tin-Lead	Tin-Lead
Contact Material	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Copper Alloy	Copper Alloy
Insulation Material	Thermoplastic	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Thermoplastic	Liquid Crystal Polymer (LCP)
Insulation Color	Black	Black	Black	Black	Black	Natural	Black	Black
Operating Temperature	-65°C ~ 130°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-55°C ~ 125°C	-65°C ~ 105°C	-65°C ~ 105°C
Current Rating	3A	3A	3A	3A	3A	Varies by Wire Gauge	3A	3A
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
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant
Product Status	Active	Active	Active	Active	Active	Active	Obsolete	Obsolete

Engineering Selection Recommendations

Primary Substitutes (Active Production, RoHS Compliant):

5-146254-3, 5-146256-3, 5-146257-3, and 5-146261-3 are TE Connectivity AMPMODU Mod II series connectors with active product status and full RoHS compliance. These parts maintain electrical and mechanical compatibility with the 77314-824LF across all critical parameters. Differences exist in contact finish specifications and insulation material composition (LCP versus thermoplastic). Selection among these four parts depends on specific contact finish requirements: 5-146254-3 features tin mating finish, while 5-146256-3, 5-146257-3, and 5-146261-3 feature gold mating finish with varying thickness specifications. All four operate within -65°C to 105°C range, which is narrower than the 77314-824LF upper limit of 130°C.

HTSW-103-07-G-D is a Samtec Inc. HTSW series connector with active product status and ROHS3 compliance. This part maintains full dimensional and electrical compatibility with gold-plated mating and post contacts. Operating temperature range extends to 125°C, approaching the 77314-824LF specification. Insulation material is LCP with natural color rather than black. Current rating is specified as varying by wire gauge rather than fixed 3A.

Legacy Substitutes (Obsolete or Non-Compliant):

104350-3 and 146256-3 are obsolete TE Connectivity AMPMODU Mod II series parts with RoHS non-compliance status. These parts maintain dimensional and electrical compatibility but are no longer in active production. 104350-3 supports both press-fit and solder termination, whereas 146256-3 supports solder termination only. Both operate within -65°C to 105°C range. These parts are suitable only for legacy system maintenance or applications where RoHS compliance is not required.

Frequently Asked Questions (FAQ)

Q: Can 5-146254-3 directly replace 77314-824LF in new designs?

A: 5-146254-3 is mechanically and electrically compatible with 77314-824LF across all critical parameters including pitch, position count, row spacing, mounting type, and current rating. However, the operating temperature upper limit is 105°C versus 130°C for the 77314-824LF. If your application requires operation above 105°C, this substitute is not suitable. Additionally, the contact finish differs: 5-146254-3 features tin mating finish while 77314-824LF features gold. Verify contact finish requirements for your specific application.

Q: What is the difference between 5-146256-3 and 5-146257-3?

A: Both parts are TE Connectivity AMPMODU Mod II series connectors with identical dimensional and electrical specifications. The primary difference is contact finish thickness on the mating surface: 5-146256-3 specifies 15.0µin (0.38µm) gold thickness, while 5-146257-3 specifies 30.0µin (0.76µm) gold thickness. Selection depends on contact durability and wear resistance requirements for your application.

Q: Why does HTSW-103-07-G-D list current rating as "Varies by Wire Gauge"?

A: HTSW-103-07-G-D is a Samtec header connector designed for wire termination applications where current capacity depends on the gauge of wire used. The 77314-824LF is specified for fixed 3A rating. If your application requires a fixed 3A current specification, verify that the wire gauge used with HTSW-103-07-G-D supports this rating.

Q: Are 104350-3 and 146256-3 suitable for new production?

A: Both parts are marked as obsolete with RoHS non-compliant status. These parts are not recommended for new production designs. They are suitable only for replacement or repair of existing legacy systems where RoHS compliance is not mandated and component availability from active production sources is exhausted.

Q: What is the significance of insulation material differences between thermoplastic and LCP?

A: The 77314-824LF uses thermoplastic insulation, while most substitute parts use Liquid Crystal Polymer (LCP). Both materials meet UL94 V-0 flammability requirements. LCP offers superior dimensional stability and lower moisture absorption compared to thermoplastic. For applications requiring high precision or exposure to moisture, LCP insulation may provide performance advantages. Verify material compatibility with your specific application environment.

Q: Can I use HTSW-103-07-G-D in place of 77314-824LF if operating temperature is below 125°C?

A: HTSW-103-07-G-D is mechanically and electrically compatible with 77314-824LF across all critical parameters within its operating range of -55°C to 125°C. However, the lower temperature limit is -55°C versus -65°C for the 77314-824LF. If your application requires operation below -55°C, this substitute is not suitable. Additionally, insulation color differs (natural versus black) and current rating specification differs (varies by wire gauge versus fixed 3A). Verify these parameters against your application requirements.

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