KSC341J Equivalent & Substitute Parts

Part Overview

The KSC341J 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 KSC341J is currently listed as obsolete, making identification of compatible substitute parts essential for ongoing production and maintenance applications.

Substiute Parts

KSC341J

C&KIn Stock: 1148KSC341J Datasheet

Current PartRFQ

KSC341JLFS

C&KIn Stock: 3521KSC341JLFS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the KSC341J 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)
• Surface mount packaging with J lead termination
• Physical footprint (6.20mm x 6.20mm outline)
• Actuator height (4.60mm vertical)
• Operating force (300gf)
• Switch travel distance (0.20mm)
• Ingress protection rating (IP67)
• Operating temperature range (-40°C ~ 85°C)
• Mechanical life specification (300,000 cycles)

The KSC341JLFS meets all these criteria and is therefore a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The KSC341JLFS is the direct substitute for the obsolete KSC341J. Both components are manufactured by C&K and share identical electrical and mechanical specifications. The primary differences are product status and regulatory compliance:

The KSC341J is obsolete and carries RoHS non-compliant status. The KSC341JLFS is an active product with ROHS3 compliance, making it the appropriate choice for new designs and ongoing production requiring regulatory adherence. Both components maintain REACH Unaffected status and EAR99 classification.

Packaging differs between the two parts: the KSC341J is supplied in bulk, while the KSC341JLFS is supplied in Tape & Reel format. This packaging difference does not affect functional compatibility but may influence procurement and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the KSC341JLFS directly replace the KSC341J in existing designs?

A: Yes. The KSC341JLFS is electrically and mechanically identical to the KSC341J. All critical parameters including contact rating, actuator dimensions, operating force, and ingress protection are equivalent. Direct PCB-level substitution is possible without design modification.

Q: What is the difference between the KSC341J and KSC341JLFS?

A: The components are functionally identical. The KSC341JLFS differs in product status (active versus obsolete), RoHS compliance (ROHS3 compliant versus non-compliant), and packaging format (Tape & Reel versus bulk). The "LFS" designation in the part number indicates the active, compliant variant.

Q: Does the Tape & Reel packaging of the KSC341JLFS affect compatibility?

A: No. Tape & Reel packaging is a supply format that does not affect the electrical or mechanical properties of the component. The actual switch specifications remain identical to the bulk-packaged KSC341J.

Q: Are there any compliance considerations when switching from KSC341J to KSC341JLFS?

A: Yes. The KSC341JLFS carries ROHS3 compliance, making it suitable for applications and markets requiring RoHS adherence. The KSC341J is RoHS non-compliant. For new production or designs targeting regulated markets, the KSC341JLFS is the appropriate selection.

Q: What parameters must remain constant for a part to be considered a substitute for the KSC341J?

A: All of the following must match: SPST-NO circuit configuration, 0.05A @ 32VDC contact rating, surface mount J lead termination, 6.20mm x 6.20mm footprint, 4.60mm actuator height, 300gf operating force, 0.20mm switch travel, IP67 ingress protection, -40°C to 85°C operating temperature range, and 300,000 cycle mechanical life specification.