Amphenol ICC 77313-102-20 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 77313-102-20 is a through-hole rectangular connector header featuring 20 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing. This BERGSTIK® series component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The connector is designed for board-to-board or cable applications with solder termination and push-pull fastening.

Key Parameters

Parameter	Value
Manufacturer Part Number	77313-102-20
Manufacturer	Amphenol ICC (FCI)
Category	Rectangular Connectors
Connector Type	Header
Contact Type	Male Pin
Number of Positions	20
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Insulation Material	Thermoplastic
Material Flammability Rating	UL94 V-0
Insulation Color	Black
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 77313-102-20 are qualified based on the following critical parameters that must align for functional compatibility:

Primary Matching Criteria:

Number of Positions: 20
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
Termination: Solder
Fastening Type: Push-Pull
Contact Shape: Square
Material Flammability Rating: UL94 V-0
Insulation Color: Black

Secondary Compatibility Factors:

Contact Length - Mating: 0.230" (5.84mm) preferred
Insulation Height: 0.100" (2.54mm) preferred
Contact Material: Phosphor Bronze or Copper Alloy
Contact Finish - Mating: Gold or Gold, GXT™

Substitute parts are grouped into two categories: direct equivalents from the same manufacturer series and cross-manufacturer alternatives that maintain electrical and mechanical compatibility within the specified parameter ranges.

Parameter Comparison

Parameter	77313-102-20	77313-102-20LF	0010897202	2320-6121-TG	2320-6121-TP	2320-6121TB	6-146260-0	PBC10DAAN	PBC10DABN	PBC10DACN	PBC10DADN
Manufacturer	Amphenol ICC	Amphenol ICC	Molex	3M	3M	3M	TE Connectivity	Sullins	Sullins	Sullins	Sullins
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Number of Positions	20	20	20	20	20	20	20	20	20	20	20
Number of Rows	2	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)	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)	0.100" (2.54mm)
Connector Type	Header	Header, Breakaway	Header, Breakaway	Header	Header	Header	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
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Length - Mating	0.230" (5.84mm)	0.230" (5.84mm)	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	0.135" (3.43mm)	0.135" (3.43mm)	0.107" (2.71mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.090" (2.29mm)	0.120" (3.05mm)	0.230" (5.84mm)	0.320" (8.13mm)	0.420" (10.67mm)
Overall Contact Length	0.465" (11.81mm)	0.465" (11.81mm)	0.437" (11.10mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.410" (10.41mm)	0.450" (11.43mm)	0.560" (14.22mm)	0.650" (16.51mm)	0.750" (19.05mm)
Insulation Height	0.100" (2.54mm)	0.100" (2.54mm)	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Finish - Mating	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold	Gold	Tin-Lead	Gold	Gold	Gold	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Thermoplastic	Thermoplastic	Liquid Crystal Polymer (LCP), Glass Filled	Thermoplastic, Glass Filled	Thermoplastic, Glass Filled	Thermoplastic, Glass Filled	Liquid Crystal Polymer (LCP)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
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 non-compliant	RoHS Compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	Not Applicable	Not Applicable	Not Applicable	Not Applicable

Engineering Selection Recommendations

Direct Equivalent - Same Manufacturer Series:

The 77313-102-20LF is the primary direct substitute from Amphenol ICC. This part maintains identical electrical and mechanical specifications to the original 77313-102-20 while offering active product status. The LF designation indicates lead-free compliance, providing RoHS Compliant status compared to the original non-compliant part. Operating temperature range extends to -65°C ~ 130°C with 3A per contact current rating specified.

Cross-Manufacturer Alternatives:

Molex 0010897202 (C-Grid 70280 series) provides functional equivalence with active status and ROHS3 compliance. Minor variations include contact length mating of 0.240" (6.10mm) versus 0.230" (5.84mm) and insulation height of 0.090" (2.29mm) versus 0.100" (2.54mm). Copper alloy contact material replaces phosphor bronze.

3M 2300 series options (2320-6121-TG, 2320-6121-TP, 2320-6121TB) maintain active status with specified current rating of 3A and operating temperature range of -55°C ~ 105°C. Contact finish variations include gold (2320-6121-TG, 2320-6121TB) and tin-lead (2320-6121-TP). All three parts retain RoHS non-compliant status.

TE Connectivity 6-146260-0 (AMPMODU Mod II series) offers RoHS Compliant status with active product status. Contact length post is reduced to 0.090" (2.29mm) with overall contact length of 0.410" (10.41mm). Operating temperature range is -65°C ~ 105°C with 3A current rating.

Sullins Connector Solutions PBC10 Series:

The PBC10DAAN variant provides the closest mechanical match with contact length post of 0.120" (3.05mm) and overall contact length of 0.450" (11.43mm). All Sullins variants (PBC10DAAN, PBC10DABN, PBC10DACN, PBC10DADN) offer ROHS3 compliance and active status with operating temperature range of -65°C ~ 125°C and 3A current rating. Variants differ in contact length post: PBC10DABN (0.230"), PBC10DACN (0.320"), and PBC10DADN (0.420") provide extended post lengths for applications requiring deeper PCB penetration.

Compliance Considerations:

For applications requiring RoHS compliance, select from 77313-102-20LF, 0010897202, 6-146260-0, or any Sullins PBC10 variant. For legacy non-compliant designs, 3M 2300 series parts maintain original compliance status. All substitute parts maintain UL94 V-0 flammability rating and MSL 1 moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can I substitute the obsolete 77313-102-20 with the 77313-102-20LF?

A: Yes. The 77313-102-20LF is a direct equivalent from the same manufacturer with identical electrical and mechanical specifications. The primary difference is active product status and RoHS compliance. All pin positions, pitch spacing, contact dimensions, and fastening mechanisms are identical.

Q: What are the key differences between Amphenol ICC and Molex alternatives?

A: The Molex 0010897202 maintains the same 20-position, 2-row, 0.100" pitch configuration. Minor dimensional variations exist: contact length mating is 0.240" versus 0.230", insulation height is 0.090" versus 0.100", and overall contact length is 0.437" versus 0.465". Contact material is copper alloy instead of phosphor bronze. Both parts are functionally compatible for standard board-to-board applications.

Q: Are 3M 2300 series connectors compatible with the original part?

A: Yes, 3M 2300 series parts (2320-6121-TG, 2320-6121-TP, 2320-6121TB) are compatible. All maintain the 20-position, 2-row, 0.100" pitch configuration with identical contact shape and fastening type. Operating temperature range is -55°C ~ 105°C compared to unspecified range for the original. Contact finish options vary: gold, tin-lead, or gold with tin-lead post.

Q: What is the difference between Sullins PBC10DAAN and PBC10DABN?

A: Both parts are electrically and mechanically compatible with identical pitch, position count, and row spacing. The primary difference is contact length post: PBC10DAAN has 0.120" post length (overall 0.450"), while PBC10DABN has 0.230" post length (overall 0.560"). Select based on required PCB penetration depth for your application.

Q: Which substitute offers the best RoHS compliance status?

A: All Sullins PBC10 variants (PBC10DAAN, PBC10DABN, PBC10DACN, PBC10DADN) offer ROHS3 compliance. Amphenol ICC 77313-102-20LF, Molex 0010897202, and TE Connectivity 6-146260-0 also provide RoHS compliance. Select based on your specific compliance requirement and contact length post specification.

Q: Can I use parts with different contact materials (phosphor bronze vs. copper alloy)?

A: Yes. Both phosphor bronze and copper alloy contact materials meet the electrical requirements for this connector category. Selection depends on application-specific requirements for contact resistance, durability, and environmental exposure. Both materials are compatible with the specified gold and tin finishes.

Q: What is the significance of the "Breakaway" connector type designation?

A: Breakaway designation indicates the connector can be separated into individual positions or smaller groups. This feature provides design flexibility for applications requiring modular configurations. Non-breakaway parts (standard header type) function identically in fixed 20-position applications.

Q: Are there temperature rating differences between substitutes?

A: Yes. The original 77313-102-20 does not specify operating temperature. Substitutes range from -55°C ~ 105°C (3M 2300 series) to -65°C ~ 130°C (Amphenol ICC 77313-102-20LF) and -65°C ~ 125°C (Sullins PBC10 series). Select based on your application's thermal requirements.

Q: What current rating should I use for design calculations?

A: The original 77313-102-20 does not specify current rating. All active substitutes specify 3A per contact. Use 3A as the design parameter for equivalent parts. This rating applies to each individual contact position.

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