KSA1M410 Tactile Switch SPST-NO Equivalent & Substitute Parts

Part Overview

The KSA1M410 is a tactile switch manufactured by C&K, featuring SPST-NO (Single Pole Single Throw - Normally Open) circuit configuration with 0.05A @ 32VDC contact rating. This through-hole mounted switch is designed for momentary operation with top actuation and includes a grounding pin. The product is currently obsolete, making equivalent substitute parts necessary for ongoing design support and component sourcing.

Substiute Parts

KSA1M410

C&KIn Stock: 812KSA1M410 Datasheet

Current PartRFQ

TL6100AF130QP

E-SwitchIn Stock: 4881TL6100AF130QP Datasheet

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TL6100AF160QP

E-SwitchIn Stock: 5975TL6100AF160QP Datasheet

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TL6100AF300QP

E-SwitchIn Stock: 5835TL6100AF300QP Datasheet

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TL6100BF300RP

E-SwitchIn Stock: 998TL6100BF300RP Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the KSA1M410 is determined by the following critical parameters:

• Circuit Configuration: SPST-NO (maintained across all substitutes)
• Contact Rating: 0.05A current capacity (maintained across all substitutes)
• Mounting Type: Through Hole with PC Pin termination (maintained across all substitutes)
• Actuator Orientation: Top Actuated (maintained across all substitutes)
• Actuator Height: 4.70mm nominal (primary substitutes match this dimension)
• Operating Force: 300gf (exact match available in TL6100AF300QP)
• Switch Travel: 0.60mm (KSA1M410) vs. 0.50mm (E-Switch TL6100 series)
• Mechanical Life: 100,000 Cycles (KSA1M410) vs. 500,000-1,000,000 Cycles (E-Switch TL6100 series)

The E-Switch TL6100 series provides functional equivalents with improved specifications. Voltage rating differences (32VDC original vs. 12VDC substitutes) are acceptable in applications where the lower voltage rating is sufficient, as the contact current capacity remains constant at 0.05A.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: TL6100AF300QP

The TL6100AF300QP is the closest functional equivalent to the KSA1M410. It maintains identical operating force (300gf), circuit configuration (SPST-NO), contact current rating (0.05A), and actuator height (4.70mm). This part is actively manufactured by E-Switch and carries ROHS3 compliance, addressing the RoHS non-compliance status of the obsolete KSA1M410. Mechanical life is improved to 500,000 cycles compared to the original 100,000 cycles.

Alternative Substitutes: TL6100AF130QP and TL6100AF160QP

These parts provide operating force options of 130gf and 160gf respectively, with identical actuator height and outline dimensions to the primary substitute. Both offer extended mechanical life (1,000,000 cycles) and ROHS3 compliance. Selection between these alternatives depends on application-specific actuation force requirements.

Secondary Alternative: TL6100BF300RP

This variant maintains 300gf operating force and ROHS3 compliance but features a taller actuator height (5.20mm vs. 4.70mm). This part is suitable only for applications where increased actuator height does not create mechanical interference with enclosure or overlay components.

All E-Switch TL6100 series substitutes operate at 12VDC maximum voltage rating, which is lower than the original 32VDC specification. Substitution is valid only for applications where the circuit operates at or below 12VDC.

Frequently Asked Questions (FAQ)

Q: Can TL6100AF300QP directly replace KSA1M410 in existing designs?

A: Direct replacement is possible if the application operates at 12VDC or lower. The TL6100AF300QP maintains identical operating force (300gf), actuator height (4.70mm), and circuit configuration (SPST-NO). Minor outline dimension differences (7.20mm vs. 7.40mm) are negligible for through-hole mounting. Verify that the lower voltage rating (12VDC vs. 32VDC) is acceptable for your circuit.

Q: What is the difference between TL6100AF300QP and TL6100BF300RP?

A: Both parts share identical operating force (300gf), contact rating (0.05A @ 12VDC), and mechanical life (500,000 cycles). The primary difference is actuator height: TL6100AF300QP is 4.70mm while TL6100BF300RP is 5.20mm. Select based on available space above the PCB and overlay clearance requirements.

Q: Why do the E-Switch substitutes have lower voltage ratings than the original KSA1M410?

A: The E-Switch TL6100 series is rated for 12VDC maximum, compared to the KSA1M410's 32VDC rating. Both maintain identical contact current capacity (0.05A). Substitution is valid only when circuit voltage does not exceed 12VDC. If higher voltage operation is required, alternative substitutes must be evaluated.

Q: Are all E-Switch TL6100 substitutes RoHS compliant?

A: Yes. All listed E-Switch TL6100 series parts (TL6100AF130QP, TL6100AF160QP, TL6100AF300QP, and TL6100BF300RP) carry ROHS3 compliance, addressing the RoHS non-compliance status of the obsolete KSA1M410.

Q: How do mechanical life specifications compare?

A: The original KSA1M410 is rated for 100,000 cycles. E-Switch substitutes offer improved durability: TL6100AF130QP and TL6100AF160QP are rated for 1,000,000 cycles, while TL6100AF300QP and TL6100BF300RP are rated for 500,000 cycles. All substitutes exceed the original specification.

Q: What packaging options are available?

A: TL6100AF130QP, TL6100AF160QP, and TL6100AF300QP are supplied in Tube packaging. TL6100BF300RP packaging is not specified in available data. Confirm packaging requirements with your procurement process.