Amphenol ICC 68031-536 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 68031-536 is a rectangular connector header for through-hole mounting with 36 positions at 0.100" (2.54mm) pitch. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The BERGSTIK® II series connector provides board-to-board connectivity with solder termination and push-pull fastening. Identifying compatible alternatives ensures design flexibility while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	68031-536
Manufacturer	Amphenol ICC (FCI)
Category	Rectangular Connectors
Connector Type	Header
Contact Type	Male Pin
Number of Positions	36
Pitch - Mating	0.100" (2.54mm)
Number of Rows	1
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Length - Mating	0.230" (5.84mm)
Contact Length - Post	0.183" (4.65mm)
Insulation Height	0.100" (2.54mm)
Contact Shape	Square
Contact Finish - Mating	Gold or Gold, GXT™
Contact Material	Phosphor Bronze
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Current Rating	5A
Voltage Rating	110V
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 68031-536 is determined by strict alignment of electrical and mechanical parameters. All substitute parts must maintain the following core specifications:

36 positions at 0.100" (2.54mm) mating pitch
Single row configuration
Male pin contact type
Through-hole solder termination
Push-pull fastening mechanism
Square contact shape
UL94 V-0 flammability rating
Board-to-board or cable connectivity style

Substitute parts are grouped based on contact length variations (post length), contact finish materials (gold or tin), and insulation material composition. These variations allow for design flexibility while preserving core electrical performance and mechanical fit. Contact length differences accommodate varying PCB thicknesses and stacking requirements. Contact finish selection (gold vs. tin) affects corrosion resistance and cost considerations. Insulation material changes (PBT, LCP, or polyester) provide thermal and chemical resistance options.

Parameter Comparison

Part Number	Manufacturer	Positions	Pitch	Contact Length - Mating	Contact Length - Post	Contact Finish - Mating	Contact Material	Insulation Material	Operating Temperature	Current Rating	Product Status	RoHS Status
68031-536	Amphenol ICC (FCI)	36	0.100" (2.54mm)	0.230" (5.84mm)	0.183" (4.65mm)	Gold or Gold, GXT™	Phosphor Bronze	—	—	5A	Obsolete	RoHS non-compliant
8-146274-6	TE Connectivity AMP Connectors	36	0.100" (2.54mm)	0.318" (8.08mm)	0.125" (3.18mm)	Tin	Copper Alloy	Liquid Crystal Polymer (LCP)	-65°C ~ 105°C	3A	Active	RoHS Compliant
HTSW-136-26-TM-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.126" (3.20mm)	Tin	Phosphor Bronze	Liquid Crystal Polymer (LCP)	-55°C ~ 105°C	Varies by Wire Gauge	Active	ROHS3 Compliant
PGC36SAAN	Sullins Connector Solutions	36	0.100" (2.54mm)	0.230" (5.84mm)	0.120" (3.05mm)	Gold	Copper Alloy	Thermoplastic, Polyester	—	3A	Active	ROHS3 Compliant
TSW-136-07-F-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.100" (2.54mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	-55°C ~ 125°C	—	Active	ROHS3 Compliant
TSW-136-09-G-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.400" (10.16mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	-55°C ~ 125°C	—	Active	ROHS3 Compliant
TSW-136-09-T-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.400" (10.16mm)	Tin	Phosphor Bronze	Polybutylene Terephthalate (PBT)	-55°C ~ 105°C	—	Active	ROHS3 Compliant
TSW-136-10-G-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.500" (12.70mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	-55°C ~ 125°C	—	Active	ROHS3 Compliant
TSW-136-10-T-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.500" (12.70mm)	Tin	Phosphor Bronze	Polybutylene Terephthalate (PBT)	-55°C ~ 105°C	—	Active	ROHS3 Compliant
TSW-136-11-G-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.600" (15.24mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	-55°C ~ 125°C	—	Active	ROHS3 Compliant
TSW-136-13-F-S	Samtec Inc.	36	0.100" (2.54mm)	0.230" (5.84mm)	0.900" (22.86mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	-55°C ~ 125°C	—	Active	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed maintain the core 36-position, 0.100" pitch header configuration required for direct mechanical and electrical compatibility. Selection among substitutes depends on specific design requirements:

For RoHS Compliance: The 68031-536 is RoHS non-compliant. All listed substitutes except the original part are RoHS3 compliant, making them suitable for applications requiring regulatory compliance.

For Active Product Status: The 68031-536 is obsolete. All substitute parts carry active product status, ensuring ongoing availability and manufacturer support. This is critical for production continuity and long-term supply chain stability.

For Contact Finish Selection: Gold-finished variants (TSW-136-07-F-S, TSW-136-09-G-S, TSW-136-10-G-S, TSW-136-11-G-S, TSW-136-13-F-S, PGC36SAAN) provide enhanced corrosion resistance and are suitable for high-reliability applications. Tin-finished variants (8-146274-6, HTSW-136-26-TM-S, TSW-136-09-T-S, TSW-136-10-T-S) offer cost optimization for standard industrial applications.

For Post Length Variations: Contact post length determines PCB stack-up accommodation. Shorter post lengths (0.100" to 0.183") suit standard PCB thicknesses. Longer post lengths (0.400" to 0.900") accommodate thicker substrates or multiple stacking layers. Select based on your specific PCB assembly requirements.

For Thermal Performance: Samtec TSW series parts support -55°C to 125°C operating range, exceeding the original part's unspecified range. TE Connectivity 8-146274-6 and Samtec HTSW-136-26-TM-S support -55°C to 105°C. Select based on application temperature requirements.

For Current Rating: The original 68031-536 specifies 5A. Substitute parts specify either 3A (8-146274-6, PGC36SAAN) or unspecified current ratings (Samtec TSW and HTSW series). For applications requiring 5A per contact, verify current capacity with the selected substitute manufacturer.

Frequently Asked Questions (FAQ)

Q: Can I directly replace the 68031-536 with any of these substitutes?

A: Direct mechanical and electrical replacement is possible for all listed substitutes due to matching 36-position, 0.100" pitch configuration and identical mating contact length (0.230"). However, post length differences may require PCB layout adjustment. Verify contact post length compatibility with your specific PCB thickness before implementation.

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

A: Gold-finished contacts provide superior corrosion resistance and are preferred for high-reliability, long-term storage, or harsh environmental applications. Tin-finished contacts offer cost advantages for standard industrial use with adequate corrosion resistance under normal conditions. Both finishes maintain electrical compatibility within the 36-position header specification.

Q: Why do some substitutes have different current ratings?

A: Current rating depends on contact material composition, contact geometry, and insulation material thermal properties. The original 68031-536 specifies 5A. Substitutes with 3A ratings (8-146274-6, PGC36SAAN) are suitable for applications requiring up to 3A per contact. For applications requiring higher current capacity, select Samtec TSW or HTSW series parts and confirm current specifications with the manufacturer.

Q: What does RoHS compliance mean for my application?

A: RoHS (Restriction of Hazardous Substances) compliance restricts lead, cadmium, mercury, and other hazardous materials. The original 68031-536 is RoHS non-compliant. All listed substitutes are RoHS3 compliant, meeting current EU and international regulatory requirements. Use RoHS-compliant parts for consumer electronics, medical devices, and applications subject to environmental regulations.

Q: How do I select the correct post length for my design?

A: Post length determines how far the solder pins extend below the connector body. Standard PCB thickness (0.062") typically requires 0.100" to 0.183" post length. Thicker substrates or multi-layer stacking require longer posts (0.400" to 0.900"). Measure your PCB thickness and stacking requirements, then select the corresponding post length variant.

Q: Are Samtec TSW and HTSW series parts interchangeable?

A: TSW and HTSW series parts share the same 36-position, 0.100" pitch specification but differ in insulation material (PBT vs. LCP) and operating temperature ranges. TSW series supports -55°C to 125°C; HTSW-136-26-TM-S supports -55°C to 105°C. Select based on your thermal requirements. Both are mechanically compatible for board-to-board applications.

Q: What is the difference between TE Connectivity 8-146274-6 and other substitutes?

A: The TE Connectivity 8-146274-6 features LCP insulation material, tin contact finish, and a longer mating contact length (0.318" vs. 0.230"). It is rated for 3A per contact and supports -65°C to 105°C operating range. This part is suitable for applications requiring lower operating temperature limits and cost-optimized tin finishes with enhanced thermal stability from LCP insulation.

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