PTS635SL43 Equivalent & Substitute Parts

Part Overview

The PTS635SL43 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 12VDC. This through-hole mounted component features a rectangular button actuator with top actuation and is designed for applications requiring momentary switching functionality.

The PTS635SL43 is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

PTS635SL43

C&KIn Stock: 1070PTS635SL43 Datasheet

Current PartRFQ

TL1107AF130WQ

E-SwitchIn Stock: 1361TL1107AF130WQ Datasheet

DirectRFQ

TL1107BF130WQ

E-SwitchIn Stock: 34799TL1107BF130WQ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PTS635SL43 are identified based on strict electrical and mechanical compatibility criteria. The following parameters must match or remain within acceptable tolerances for direct substitution:

Critical Matching Parameters:

• Circuit configuration: SPST-NO
• Switch function: Off-Mom (momentary)
• Contact rating: 0.05A @ 12VDC
• Mounting type: Through Hole
• Actuator type: Rectangular Button
• Actuator orientation: Top Actuated
• Termination style: PC Pin
• Outline dimensions: 6.00mm x 4.60mm
• Operating force: 130gf

Allowable Variation Parameters:

• Actuator height off PCB: ±0.70mm tolerance
• Operating temperature range: May extend beyond original specification
• Mechanical life: May exceed original specification
• Actuator material composition: May differ while maintaining functional equivalence

The E-Switch TL1107 series parts satisfy these criteria and are classified as direct and similar substitutes based on their electrical characteristics and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

TL1107AF130WQ (Direct Substitute): This part is classified as a direct substitute due to identical actuator height (4.30mm) and matching electrical specifications. The TL1107AF130WQ is currently in active production status, ensuring long-term availability. It provides enhanced mechanical life (40,000 cycles versus 20,000 cycles) and an extended operating temperature range (-20°C ~ 70°C). ROHS3 compliance exceeds the original RoHS requirement. This part is suitable for direct PCB replacement without design modification.

TL1107BF130WQ (Similar Substitute): This part is classified as a similar substitute due to a 0.70mm increase in actuator height (5.00mm versus 4.30mm). All electrical parameters remain identical to the main part. The TL1107BF130WQ offers the highest mechanical life rating (50,000 cycles) and maintains active production status. ROHS3 compliance and REACH unaffected status are equivalent to the direct substitute. Selection of this part requires verification that the increased actuator height does not conflict with enclosure geometry or mechanical clearance constraints.

Both E-Switch alternatives provide superior compliance certifications and extended mechanical life compared to the obsolete PTS635SL43, supporting long-term system reliability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can TL1107AF130WQ and TL1107BF130WQ be used interchangeably with PTS635SL43?

A: Both parts satisfy the electrical requirements for direct substitution. The TL1107AF130WQ is a direct mechanical replacement with identical actuator height. The TL1107BF130WQ has a 0.70mm taller actuator and requires clearance verification before implementation.

Q: What is the primary difference between the two E-Switch substitutes?

A: The actuator height off PCB differs: TL1107AF130WQ is 4.30mm (matching the original), while TL1107BF130WQ is 5.00mm. Both maintain identical electrical specifications, circuit configuration, and contact ratings. The TL1107BF130WQ provides higher mechanical life (50,000 cycles).

Q: Are there packaging considerations when switching from PTS635SL43 to TL1107 series parts?

A: Both substitute parts are supplied in bulk packaging. The outline dimensions (6.00mm x 4.60mm) and through-hole termination remain consistent across all three parts, ensuring PCB footprint compatibility. Verify actuator height clearance for enclosure fit.

Q: Do the substitute parts maintain the same compliance certifications?

A: Both TL1107AF130WQ and TL1107BF130WQ are ROHS3 compliant and REACH unaffected, exceeding the original RoHS compliance status of PTS635SL43. Moisture sensitivity level remains at MSL 1 (Unlimited) across all parts.

Q: What is the operating temperature difference between the main part and substitutes?

A: PTS635SL43 operates from -40°C to 60°C. Both E-Switch substitutes operate from -20°C to 70°C, providing an extended upper temperature limit. Applications requiring operation below -20°C cannot use the substitute parts.

Q: How do mechanical life ratings compare?

A: PTS635SL43 is rated for 20,000 cycles. TL1107AF130WQ provides 40,000 cycles, and TL1107BF130WQ provides 50,000 cycles. Higher cycle ratings indicate extended component longevity under repeated actuation.