68418-136H Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 68418-136H is a rectangular connector header featuring 36 vertical positions with 0.100" (2.54mm) pitch, designed for through-hole board-to-board applications. This connector is part of the BERGSTIK® II series and is classified as obsolete. Due to its obsolete status and limited availability (663 pieces in stock), identifying active equivalent and substitute parts is essential for ongoing production and design continuity.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	36
Number of Rows	1
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 68418-136H is determined by strict adherence to the following core parameters:

Connector type: Header
Contact type: Male Pin
Pitch: 0.100" (2.54mm)
Number of positions: 36
Number of rows: 1
Mounting type: Through Hole
Termination: Solder
Fastening type: Push-Pull
Contact shape: Square
Material flammability rating: UL94 V-0

Substitute parts are grouped based on variations in contact length (mating and post), contact finish material, insulation material, and product status. All identified substitutes maintain the core electrical and mechanical interface requirements. Contact length variations accommodate different application depths and board stackup configurations while preserving mating compatibility.

Parameter Comparison

Part Number	Manufacturer	Series	Product Status	Contact Length - Mating	Contact Length - Post	Overall Contact Length	Contact Finish - Mating	Contact Material	Insulation Material	RoHS Status	Inventory
68418-136H	Amphenol ICC (FCI)	BERGSTIK® II	Obsolete	0.230" (5.84mm)	0.400" (10.16mm)	0.730" (18.54mm)	Gold or Gold, GXT™	Phosphor Bronze	-	RoHS non-compliant	663 Pcs
8-146274-6	TE Connectivity AMP Connectors	AMPMODU Mod II	Active	0.318" (8.08mm)	0.125" (3.18mm)	0.533" (14.65mm)	Tin	Copper Alloy	Liquid Crystal Polymer (LCP)	RoHS Compliant	3080 Pcs
HTSW-136-26-TM-S	Samtec Inc.	HTSW	Active	0.230" (5.84mm)	0.126" (3.20mm)	0.456" (11.58mm)	Tin	Phosphor Bronze	Liquid Crystal Polymer (LCP)	ROHS3 Compliant	781 Pcs
PGC36SAAN	Sullins Connector Solutions	-	Active	0.230" (5.84mm)	0.120" (3.05mm)	0.450" (11.43mm)	Gold	Copper Alloy	Thermoplastic, Polyester	ROHS3 Compliant	947 Pcs
TSW-136-07-F-S	Samtec Inc.	TSW	Active	0.230" (5.84mm)	0.100" (2.54mm)	0.430" (10.92mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	ROHS3 Compliant	1094 Pcs
TSW-136-09-G-S	Samtec Inc.	TSW	Active	0.230" (5.84mm)	0.400" (10.16mm)	0.730" (18.54mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	ROHS3 Compliant	957 Pcs
TSW-136-09-T-S	Samtec Inc.	TSW	Active	0.230" (5.84mm)	0.400" (10.16mm)	0.730" (18.54mm)	Tin	Phosphor Bronze	Polybutylene Terephthalate (PBT)	ROHS3 Compliant	1010 Pcs
TSW-136-10-G-S	Samtec Inc.	TSW	Active	0.230" (5.84mm)	0.500" (12.70mm)	0.830" (21.08mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	ROHS3 Compliant	834 Pcs
TSW-136-10-T-S	Samtec Inc.	TSW	Active	0.230" (5.84mm)	0.500" (12.70mm)	0.830" (21.08mm)	Tin	Phosphor Bronze	Polybutylene Terephthalate (PBT)	ROHS3 Compliant	652 Pcs
TSW-136-11-G-S	Samtec Inc.	TSW	Active	0.230" (5.84mm)	0.600" (15.24mm)	0.930" (23.62mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	ROHS3 Compliant	1132 Pcs
TSW-136-13-F-S	Samtec Inc.	TSW	Active	0.230" (5.84mm)	0.900" (22.86mm)	1.230" (31.24mm)	Gold	Phosphor Bronze	Polybutylene Terephthalate (PBT)	ROHS3 Compliant	786 Pcs

Engineering Selection Recommendations

All identified substitute parts maintain the core mating interface (0.100" pitch, 36 positions, square male pins, push-pull fastening) required for direct replacement of the 68418-136H.

Primary Recommendation: TSW-136-09-G-S (Samtec Inc.) provides the closest electrical and mechanical equivalence. This part matches the original contact length specifications (0.230" mating, 0.400" post), maintains phosphor bronze contact material, and achieves identical overall contact length (0.730"). The TSW-136-09-G-S is active, ROHS3 compliant, and offers superior long-term availability (957 pieces in stock).

Alternative for RoHS Compliance: PGC36SAAN (Sullins Connector Solutions) offers ROHS3 compliance with matching mating contact length (0.230") and gold finish. This part is suitable for applications requiring RoHS certification and maintains adequate inventory (947 pieces).

Extended Post Length Options: TSW-136-10-G-S, TSW-136-10-T-S, TSW-136-11-G-S, and TSW-136-13-F-S provide increased post lengths (0.500" to 0.900") for applications requiring deeper board penetration or extended solder joint engagement. These variants maintain core mating compatibility while accommodating different PCB stackup configurations.

Tin Finish Alternative: TSW-136-09-T-S provides tin contact finish with identical contact geometry to TSW-136-09-G-S, suitable for applications where tin finish is preferred over gold.

Compact Profile Option: TSW-136-07-F-S offers the shortest overall contact length (0.430") while maintaining mating contact specifications, suitable for space-constrained applications.

TE Connectivity Option: 8-146274-6 (AMPMODU Mod II) provides an active alternative with different contact geometry (0.318" mating length, 0.125" post length) and LCP insulation material. This part is suitable for applications where the shorter contact profile accommodates specific board designs.

Frequently Asked Questions (FAQ)

Q: Can TSW-136-09-G-S directly replace the 68418-136H without PCB redesign?

A: Yes. TSW-136-09-G-S maintains identical mating contact length (0.230"), post length (0.400"), and overall contact length (0.730"), ensuring direct mechanical and electrical compatibility with existing PCB layouts designed for the 68418-136H.

Q: What is the primary difference between TSW-136-09-G-S and TSW-136-09-T-S?

A: The contact finish differs. TSW-136-09-G-S features gold plating on both mating and post contacts, while TSW-136-09-T-S uses tin finish. Both maintain identical contact geometry and phosphor bronze base material. Selection depends on application requirements for contact finish material.

Q: Why do TSW-136-10-G-S and TSW-136-11-G-S have longer post lengths?

A: Extended post lengths (0.500" and 0.600" respectively) accommodate deeper PCB penetration and increased solder joint engagement for applications with thicker board stackups or requiring enhanced mechanical strength. Mating contact length remains constant at 0.230", preserving interface compatibility.

Q: Is the 8-146274-6 suitable for direct replacement?

A: The 8-146274-6 maintains core mating interface compatibility (0.100" pitch, 36 positions, square male pins) but features different contact geometry (0.318" mating length vs. 0.230" original). This part is suitable only for applications where the modified contact profile accommodates the specific board design. Verify PCB contact pocket depth before selection.

Q: What compliance advantage does ROHS3 certification provide?

A: ROHS3 compliance ensures the connector meets current European Union Restriction of Hazardous Substances regulations. All active substitute parts listed (TSW series, HTSW-136-26-TM-S, PGC36SAAN) carry ROHS3 certification, supporting compliance requirements for products destined for EU markets and regulated industries.

Q: Can I use PGC36SAAN as a direct replacement for the 68418-136H?

A: Yes. PGC36SAAN matches the mating contact length (0.230") and overall contact length (0.450"), maintaining interface compatibility. The primary difference is the post length (0.120" vs. 0.400" original), which may require PCB layout verification for solder joint depth. The part is ROHS3 compliant and actively manufactured.

Q: What is the difference between gold and tin contact finishes in terms of reliability?

A: Both finishes provide reliable electrical contact. Gold finish (TSW-136-09-G-S, TSW-136-11-G-S) offers superior corrosion resistance and lower contact resistance. Tin finish (TSW-136-09-T-S, TSW-136-10-T-S) is cost-effective and suitable for standard industrial applications. Selection depends on environmental exposure and contact resistance requirements.

Q: Are all substitute parts rated for the same operating temperature range?

A: No. The original 68418-136H does not specify an operating temperature range. Active substitutes vary: TSW series parts operate from -55°C to 125°C, HTSW-136-26-TM-S operates from -55°C to 105°C, and 8-146274-6 operates from -65°C to 105°C. Verify the required operating temperature range for your application before final selection.

Q: What inventory considerations should guide my selection?

A: All substitute parts maintain adequate stock levels (652 to 3080 pieces). TSW-136-11-G-S offers the highest inventory (1132 pieces), followed by 8-146274-6 (3080 pieces). For long-term production continuity, prioritize active parts with established supply chains over the obsolete 68418-136H (663 pieces remaining).

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