KSL0M431LFT Equivalent & Substitute Parts

Part Overview

The KSL0M431LFT is a tactile switch manufactured by C&K, classified as SPST-NO (Single Pole Single Throw - Normally Open) with a contact rating of 0.01A at 32VDC. This through-hole mounted component features top actuation with a 9.90mm actuator height and is designed for applications requiring momentary switching functionality.

The KSL0M431LFT has been discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications currently utilizing this component.

Substiute Parts

KSL0M431LFT
C&KIn Stock: 861KSL0M431LFT Datasheet
KSL0M431LFT
Current Part
KSL0M431 LFTR
C&KIn Stock: 2467KSL0M431 LFTR Datasheet
KSL0M431 LFTR
Direct

Key Parameters

Parameter Value
Manufacturer Part Number KSL0M431LFT
Manufacturer C&K
Series KSL
Circuit Configuration SPST-NO
Switch Function Off-Mom (Momentary)
Contact Rating 0.01A @ 32VDC
Mounting Type Through Hole
Actuator Height (Vertical) 9.90mm
Actuator Orientation Top Actuated
Outline Dimensions 7.40mm x 7.40mm
Operating Force 300gf
Switch Travel 0.60mm
Mechanical Life 100,000 Cycles
Operating Temperature Range -40°C ~ 125°C
Ingress Protection IP60 - Dust Tight
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the KSL0M431LFT is determined by strict equivalence across the following critical parameters:

  • Circuit configuration: SPST-NO
  • Contact rating: 0.01A @ 32VDC
  • Mounting type: Through Hole
  • Actuator height: 9.90mm
  • Actuator orientation: Top Actuated
  • Outline dimensions: 7.40mm x 7.40mm
  • Operating force: 300gf
  • Switch travel: 0.60mm
  • Mechanical life: 100,000 Cycles
  • Operating temperature range: -40°C ~ 125°C
  • Ingress protection: IP60 - Dust Tight
  • RoHS compliance: ROHS3 Compliant

The KSL0M431 LFTR qualifies as a direct substitute based on identical electrical and mechanical specifications. The primary distinction is packaging format and product availability status.

Parameter Comparison

Parameter KSL0M431LFT (Main Part) KSL0M431 LFTR (Substitute)
Manufacturer Part Number KSL0M431LFT KSL0M431 LFTR
Manufacturer C&K C&K
Series KSL KSL
Packaging Tape & Reel Bulk
Product Status Discontinued at DiGi Electronics Active
Circuit Configuration SPST-NO SPST-NO
Switch Function Off-Mom Off-Mom
Contact Rating 0.01A @ 32VDC 0.01A @ 32VDC
Actuator Type Standard Standard
Mounting Type Through Hole Through Hole
Actuator Height (Vertical) 9.90mm 9.90mm
Actuator Orientation Top Actuated Top Actuated
Termination Style PC Pin PC Pin
Outline Dimensions 7.40mm x 7.40mm 7.40mm x 7.40mm
Illumination Non-Illuminated Non-Illuminated
Operating Force 300gf 300gf
Ingress Protection IP60 - Dust Tight IP60 - Dust Tight
Operating Temperature Range -40°C ~ 125°C -40°C ~ 125°C
Switch Travel 0.60mm 0.60mm
Mechanical Life 100,000 Cycles 100,000 Cycles
Base Product Number KSL0M4 KSL0M4
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99
HTSUS Code 8536.50.9031 8536.50.9031

Engineering Selection Recommendations

The KSL0M431 LFTR is a direct functional equivalent to the discontinued KSL0M431LFT. Both components share identical electrical specifications, mechanical dimensions, and performance characteristics. The substitute part maintains full compliance with ROHS3 and REACH requirements, ensuring regulatory continuity.

The primary difference between the two parts is packaging format: the KSL0M431LFT is supplied in tape and reel format, while the KSL0M431 LFTR is supplied in bulk packaging. This distinction affects procurement and assembly processes but does not impact component performance or compatibility.

The KSL0M431 LFTR is currently active in the product portfolio, ensuring ongoing availability and supply chain stability for new designs or replacement inventory requirements.

Frequently Asked Questions (FAQ)

Q: Are the KSL0M431LFT and KSL0M431 LFTR electrically identical?

A: Yes. Both components feature identical contact ratings (0.01A @ 32VDC), circuit configuration (SPST-NO), and operating characteristics. They are direct electrical equivalents.

Q: What is the difference between the two part numbers?

A: The primary difference is packaging format. The KSL0M431LFT is supplied in tape and reel format, while the KSL0M431 LFTR is supplied in bulk packaging. The component itself is functionally identical.

Q: Can the KSL0M431 LFTR be used as a direct replacement in existing designs?

A: Yes. The substitute part maintains identical mechanical dimensions (7.40mm x 7.40mm outline, 9.90mm actuator height), termination style (PC Pin), and mounting type (Through Hole). No PCB redesign is required.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the KSL0M431LFT and KSL0M431 LFTR are ROHS3 Compliant and REACH Unaffected, ensuring regulatory compliance for applications in restricted markets.

Q: What is the mechanical life expectancy for these switches?

A: Both components are rated for 100,000 mechanical cycles, with an operating force of 300gf and switch travel of 0.60mm.

Q: What temperature range are these switches rated for?

A: Both components operate across the temperature range of -40°C to 125°C, suitable for industrial and consumer applications.

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