PTS645VL83 Equivalent & Substitute Parts

Part Overview

The PTS645VL83 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 component features side actuation, through-hole right-angle mounting, and is designed for applications requiring momentary switching functionality. The part is currently listed as obsolete, making identification of equivalent and substitute parts essential for design continuity and procurement planning.

Substiute Parts

PTS645VL83

C&KIn Stock: 934PTS645VL83 Datasheet

Current PartRFQ

PTS645VL83-2 LFS

C&KIn Stock: 47643PTS645VL83-2 LFS Datasheet

DirectRFQ

TL1105SF100Q

E-SwitchIn Stock: 10626TL1105SF100Q Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PTS645VL83 are identified based on strict electrical and mechanical compatibility criteria. The following parameters must align for functional equivalence:

• Circuit configuration: SPST-NO
• Contact rating: 0.05A @ 12VDC
• Switch function: Off-Mom (momentary)
• Mounting type: Through Hole, Right Angle
• Actuator orientation: Side Actuated
• Termination style: PC Pin
• Mechanical life: 100,000 Cycles minimum

Two substitute options are available: PTS645VL83-2 LFS (direct manufacturer equivalent from C&K) and TL1105SF100Q (cross-manufacturer alternative from E-Switch). Both maintain the core electrical specifications and mechanical mounting requirements of the original part.

Parameter Comparison

Engineering Selection Recommendations

PTS645VL83-2 LFS is the primary substitute option. As an active product from the same manufacturer (C&K) within the PTS645 series, it provides direct functional equivalence with identical electrical ratings, mechanical dimensions, and actuator specifications. The extended operating temperature range (-40°C ~ 85°C) and active product status provide superior availability and long-term supply chain stability compared to the obsolete PTS645VL83.

TL1105SF100Q from E-Switch serves as a secondary cross-manufacturer alternative. While maintaining electrical compatibility and core mechanical mounting characteristics, this part exhibits minor dimensional and operational differences: outline dimensions of 7.10mm x 6.55mm (versus 7.50mm x 7.10mm), reduced operating force of 100gf (versus 130gf), and a specified switch travel of 0.25mm. These variations require PCB layout verification and functional testing to confirm suitability for the target application. The part carries ROHS3 compliance and active product status.

Frequently Asked Questions (FAQ)

Q: Can PTS645VL83-2 LFS be used as a direct replacement for PTS645VL83?

A: Yes. PTS645VL83-2 LFS maintains identical electrical specifications (0.05A @ 12VDC, SPST-NO), mechanical mounting configuration (through-hole right-angle), actuator dimensions (8.35mm length), and outline footprint (7.50mm x 7.10mm). The primary advantage is active product status with extended operating temperature range.

Q: What are the key differences between PTS645VL83-2 LFS and TL1105SF100Q?

A: Both parts share identical electrical ratings and momentary switch function. Differences include: outline dimensions (7.50mm x 7.10mm versus 7.10mm x 6.55mm), operating force (130gf versus 100gf), operating temperature range (-40°C ~ 85°C versus -20°C ~ 70°C), and manufacturer (C&K versus E-Switch). PCB layout compatibility must be verified before selection.

Q: Is TL1105SF100Q suitable for applications requiring 130gf operating force?

A: TL1105SF100Q specifies 100gf operating force, which differs from the original 130gf specification. Application suitability depends on whether the reduced actuation force meets functional requirements. Functional testing is necessary to confirm compatibility with the target application's user interface and mechanical design.

Q: What packaging options are available?

A: PTS645VL83-2 LFS is available in Bulk packaging. TL1105SF100Q is also available in Bulk packaging. Inventory availability: PTS645VL83-2 LFS (47,633 pcs), TL1105SF100Q (10,543 pcs).

Q: Are all substitute parts RoHS compliant?

A: Yes. PTS645VL83-2 LFS carries RoHS Compliance certification. TL1105SF100Q carries ROHS3 Compliance certification. Both parts are REACH Unaffected and carry MSL 1 (Unlimited) moisture sensitivity rating.