KSC141J Equivalent & Substitute Parts

Part Overview

The KSC141J is a tactile switch manufactured by C&K, classified as SPST-NO (Single Pole Single Throw - Normally Open) with a contact rating of 0.05A at 32VDC. This surface mount component features top actuation, IP67 ingress protection, and is designed for applications requiring reliable tactile feedback with minimal travel distance. The KSC141J is currently listed as obsolete, making identification of compatible substitute parts essential for ongoing production and maintenance applications.

Substiute Parts

KSC141J

C&KIn Stock: 985KSC141J Datasheet

Current PartRFQ

KSC141JLFS

C&KIn Stock: 9666KSC141JLFS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the KSC141J is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications in the following areas:

• Circuit configuration (SPST-NO)
• Contact rating (0.05A @ 32VDC)
• Physical footprint (6.20mm x 6.20mm)
• Actuator height (2.50mm)
• Operating force (300gf)
• Switch travel distance (0.30mm)
• Ingress protection rating (IP67)
• Operating temperature range (-40°C ~ 85°C)
• Mechanical life rating (200,000 cycles)
• Termination style (J Lead)
• Surface mount mounting type

The KSC141JLFS meets all these criteria and is classified as a direct substitute for the obsolete KSC141J.

Parameter Comparison

Engineering Selection Recommendations

The KSC141JLFS is the direct equivalent substitute for the obsolete KSC141J. Both components are manufactured by C&K and share identical electrical and mechanical specifications across all critical parameters. The primary distinction is product status: the KSC141J is obsolete while the KSC141JLFS is active and currently in production.

An additional advantage of the KSC141JLFS is its RoHS3 compliance status, compared to the non-compliant RoHS status of the original KSC141J. This compliance improvement aligns with current regulatory requirements for electronic components in many markets.

The KSC141JLFS is supplied in Cut Tape (CT) packaging, which may differ from the original packaging format of the KSC141J. Inventory availability of the KSC141JLFS is significantly higher (9594 Pcs) compared to the KSC141J (887 Pcs), supporting long-term supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the KSC141JLFS be used as a direct replacement for the KSC141J without PCB modifications?

A: Yes. The KSC141JLFS maintains identical physical footprint (6.20mm x 6.20mm), actuator height (2.50mm), J Lead termination, and all electrical specifications. No PCB layout changes are required.

Q: What is the difference between the KSC141J and KSC141JLFS part numbers?

A: Both parts are from the C&K KSC series and share the same base product number (KSC141). The "JLFS" suffix on the substitute indicates packaging and compliance variations. The KSC141JLFS is supplied in Cut Tape packaging and meets ROHS3 compliance requirements.

Q: Are there any performance differences between these two parts?

A: No. Both components have identical contact ratings (0.05A @ 32VDC), operating force (300gf), switch travel (0.30mm), mechanical life (200,000 cycles), ingress protection (IP67), and operating temperature range (-40°C ~ 85°C).

Q: Why is the KSC141J listed as obsolete?

A: The KSC141J has been superseded by the KSC141JLFS in the manufacturer's product line. The KSC141JLFS offers improved RoHS3 compliance and better inventory availability while maintaining full electrical and mechanical compatibility.

Q: What packaging format is the KSC141JLFS supplied in?

A: The KSC141JLFS is supplied in Cut Tape (CT) packaging. Confirm packaging requirements for your assembly process before procurement.

Q: Are moisture sensitivity levels identical between these parts?

A: Yes. Both the KSC141J and KSC141JLFS have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling precautions are required during storage or assembly.