Amphenol ICC 77313-202-20LF Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 77313-202-20LF is a rectangular connector header with vertical orientation, 20 positions, and 2.54mm pitch spacing. This component is part of the BERGSTIK® series and is classified as obsolete. The connector features through-hole solder termination, unshrouded design, and push-pull fastening. Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	77313-202-20LF
Manufacturer	Amphenol ICC (FCI)
Category	Rectangular Connectors
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	20
Number of Rows	2
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 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 77313-202-20LF is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Substitution:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 20
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
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

Substitute parts are grouped into two categories based on design compatibility:

Category 1: Direct Amphenol ICC Equivalents The 77313-102-20LF maintains identical electrical and mechanical specifications with active product status and enhanced operating temperature range (-65°C ~ 130°C).

Category 2: Cross-Manufacturer Substitutes Parts from 3M, Samtec Inc., and Sullins Connector Solutions meet the core dimensional and electrical requirements. These substitutes maintain the 2.54mm pitch, 20-position configuration, and through-hole solder termination. Variations exist in contact length specifications, insulation material composition, and contact finish thickness, which do not affect functional compatibility for standard board-to-board or cable applications.

Parameter Comparison

Parameter	77313-202-20LF	77313-102-20LF	2320-6121-TG	MTLW-110-07-F-D-255	MTLW-110-07-G-D-250	MTLW-110-07-H-D-250	PBC10DAAN	PBC10DABN	PBC10DACN	PBC10DADN	PBC10DAEN
Manufacturer	Amphenol ICC	Amphenol ICC	3M	Samtec Inc.	Samtec Inc.	Samtec Inc.	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	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
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
Contact Length - Mating	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.255" (6.48mm)	0.250" (6.35mm)	0.250" (6.35mm)	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)	0.120" (3.05mm)	0.115" (2.92mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.230" (5.84mm)	0.320" (8.13mm)	0.420" (10.67mm)	0.520" (13.21mm)
Overall Contact Length	0.465" (11.81mm)	0.465" (11.81mm)	0.450" (11.43mm)	0.430" (10.92mm)	0.430" (10.92mm)	0.430" (10.92mm)	0.450" (11.43mm)	0.560" (14.22mm)	0.650" (16.51mm)	0.750" (19.05mm)	0.850" (21.59mm)
Insulation Height	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.060" (1.52mm)	0.060" (1.52mm)	0.060" (1.52mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Thermoplastic	Thermoplastic	Thermoplastic, Glass Filled	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Polybutylene Terephthalate (PBT)	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
Operating Temperature	Not specified	-65°C ~ 130°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 125°C
Current Rating (Amps)	Not specified	3A per Contact	3A	5.2A per Contact	5.2A per Contact	5.2A per Contact	3A	3A	3A	3A	3A
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable	Not Applicable	Not Applicable	Not Applicable
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: Amphenol ICC 77313-102-20LF

The 77313-102-20LF is the direct equivalent from the original manufacturer. This part maintains identical mechanical and electrical specifications to the 77313-202-20LF while offering active product status. The operating temperature range extends to -65°C ~ 130°C, providing enhanced thermal performance. RoHS compliance is maintained. This part is the preferred choice for direct replacement in existing designs.

Secondary Recommendations: Samtec Inc. MTLW Series

The MTLW-110-07-F-D-255, MTLW-110-07-G-D-250, and MTLW-110-07-H-D-250 are cross-manufacturer alternatives with active product status and ROHS3 compliance. These parts feature Liquid Crystal Polymer (LCP) insulation material and reduced insulation height (0.060" vs. 0.100"), which may require PCB layout verification. Current rating is higher at 5.2A per contact. Operating temperature range is -55°C ~ 125°C. These parts are suitable for applications where enhanced current capacity and thermal performance are beneficial.

Tertiary Recommendations: Sullins Connector Solutions PBC10 Series

The PBC10DAAN, PBC10DABN, PBC10DACN, PBC10DADN, and PBC10DAEN variants are active alternatives with ROHS3 compliance. These parts use Polybutylene Terephthalate (PBT) insulation and maintain the 0.100" (2.54mm) insulation height. The primary distinction among these variants is contact post length, which ranges from 0.120" to 0.520". Selection depends on specific PCB thickness and stacking requirements. Operating temperature range is -65°C ~ 125°C with 3A current rating per contact.

Not Recommended: 3M 2320-6121-TG

The 3M 2320-6121-TG is RoHS non-compliant and does not meet current regulatory requirements for new designs.

Frequently Asked Questions (FAQ)

Q: Can the 77313-102-20LF be used as a direct replacement for the 77313-202-20LF?

A: Yes. The 77313-102-20LF maintains identical pitch (0.100" / 2.54mm), position count (20), row configuration (2 rows), contact type (male pin), mounting method (through hole), and termination (solder). The primary advantage is active product status and extended operating temperature range (-65°C ~ 130°C).

Q: What is the key difference between Samtec MTLW and Sullins PBC10 substitutes?

A: The Samtec MTLW series features Liquid Crystal Polymer (LCP) insulation with reduced insulation height (0.060") and higher current rating (5.2A per contact). The Sullins PBC10 series uses Polybutylene Terephthalate (PBT) insulation with standard insulation height (0.100") and 3A current rating. Both maintain the 2.54mm pitch and 20-position configuration. Selection depends on PCB layout constraints and current requirements.

Q: Do all substitute parts have the same contact length specifications?

A: No. Contact length variations exist across substitute parts. The Amphenol ICC 77313-102-20LF and Sullins PBC10DAAN maintain the original 0.230" (5.84mm) mating contact length. Samtec MTLW parts range from 0.250" to 0.255". The 3M 2320-6121-TG uses 0.230". Sullins PBC10 variants differ in post length (0.120" to 0.520"), which affects overall connector height. Verify PCB design compatibility before selection.

Q: Are all substitute parts RoHS compliant?

A: Most substitutes are RoHS3 compliant. The exception is the 3M 2320-6121-TG, which is RoHS non-compliant and unsuitable for new designs subject to RoHS regulations. The Amphenol ICC 77313-102-20LF is RoHS compliant.

Q: What is the significance of Moisture Sensitivity Level (MSL) differences?

A: The original 77313-202-20LF and Amphenol ICC 77313-102-20LF specify MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Sullins PBC10 series parts list MSL as Not Applicable, indicating they do not require moisture control during storage or handling. Samtec MTLW parts specify MSL 1 (Unlimited). These differences do not affect functional compatibility but may influence supply chain handling procedures.

Q: Can Samtec MTLW parts with 0.060" insulation height be used on standard 0.100" pitch PCBs?

A: The reduced insulation height (0.060" vs. 0.100") on Samtec MTLW parts does not affect pitch compatibility. The 0.100" (2.54mm) mating pitch remains constant. However, the lower profile may affect mechanical clearance and stacking height in applications with space constraints. PCB layout verification is required before substitution.

Q: What determines the selection among Sullins PBC10 variants (DAAN, DABN, DACN, DADN, DAEN)?

A: The variants differ exclusively in contact post length: DAAN (0.120"), DABN (0.230"), DACN (0.320"), DADN (0.420"), and DAEN (0.520"). Selection is determined by PCB thickness and connector stacking requirements. Thicker PCBs or applications requiring extended post length use higher-letter variants. All variants maintain identical pitch, position count, and electrical specifications.

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