SWT6-R1M Equivalent & Substitute Parts

Part Overview

The SWT6-R1M is a tactile switch manufactured by TT Electronics/BI, classified as SPST-NO (Single Pole Single Throw - Normally Open) with a contact rating of 0.05A at 12VDC. This through-hole, right-angle mounted switch features side actuation and is designed for off-momentary operation. The product is currently obsolete, necessitating identification of equivalent substitute components that maintain functional compatibility with existing circuit designs and PCB layouts.

Substiute Parts

SWT6-R1M

TT Electronics/BIIn Stock: 1088SWT6-R1M Datasheet

Current PartRFQ

EVQ-PC205K

Panasonic Electronic ComponentsIn Stock: 2145EVQ-PC205K Datasheet

MFR RecommendedRFQ

EVQ-PC405K

Panasonic Electronic ComponentsIn Stock: 1434EVQ-PC405K Datasheet

MFR RecommendedRFQ

TL58VF100Q

E-SwitchIn Stock: 13083TL58VF100Q Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SWT6-R1M is determined by the following critical parameters:

• Circuit Configuration: SPST-NO topology must be maintained
• Switch Function: Off-momentary operation required
• Mounting Type: Through-hole, right-angle configuration mandatory for PCB compatibility
• Actuator Orientation: Side actuation required
• Termination Style: PC pin termination for through-hole insertion
• Contact Rating: Minimum 0.05A @ 12VDC capability
• Outline Dimensions: Physical footprint compatibility with 7.40mm x 6.50mm envelope
• Actuator Length: 3.85mm side-actuated length for mechanical clearance

The substitute parts identified (EVQ-PC205K, EVQ-PC405K, and TL58VF100Q) share the core SPST-NO topology, side-actuated through-hole mounting, and PC pin termination. Variations in contact rating, operating force, and mechanical life are noted but do not preclude functional substitution when circuit requirements are met.

Parameter Comparison

Engineering Selection Recommendations

TL58VF100Q is the primary substitute for the SWT6-R1M. This E-Switch component maintains identical contact rating (0.05A @ 12VDC), actuator length (3.85mm), and outline dimensions (7.40mm x 6.65mm). The TL58VF100Q holds active product status, ensuring long-term availability and supply chain continuity. ROHS3 compliance provides regulatory alignment with current manufacturing standards. Mechanical life is reduced to 100,000 cycles compared to the original 500,000 cycles; this parameter must be evaluated against application duty cycle requirements.

EVQ-PC205K and EVQ-PC405K (Panasonic) are secondary substitutes. Both maintain SPST-NO topology, side-actuated through-hole mounting, and PC pin termination. However, contact rating is reduced to 0.02A @ 15VDC, and actuator length increases to 4.75mm with larger outline dimensions (7.50mm x 6.95mm). These dimensional changes may require PCB layout verification. Both parts are obsolete. EVQ-PC205K maintains 160gf operating force matching the original; EVQ-PC405K operates at 100gf.

Selection should prioritize the TL58VF100Q for new designs and production continuity. The Panasonic alternatives are suitable only when dimensional variations and reduced contact rating are compatible with circuit specifications.

Frequently Asked Questions (FAQ)

Q: Can the EVQ-PC205K or EVQ-PC405K be used as direct drop-in replacements for the SWT6-R1M?

A: Both Panasonic parts share the core SPST-NO topology and side-actuated through-hole mounting. However, dimensional differences exist: actuator length increases from 3.85mm to 4.75mm, and outline dimensions expand from 7.40mm x 6.50mm to 7.50mm x 6.95mm. PCB layout verification is required to confirm mechanical clearance and mounting hole compatibility.

Q: What is the impact of reduced contact rating on the EVQ-PC205K and EVQ-PC405K?

A: The Panasonic substitutes are rated at 0.02A @ 15VDC, compared to the original 0.05A @ 12VDC. If the circuit operates at or below 0.02A, these parts are functionally compatible. Circuits requiring higher current capacity must use the TL58VF100Q, which maintains the 0.05A @ 12VDC rating.

Q: Why is mechanical life reduced in the substitute parts?

A: The original SWT6-R1M specifies 500,000 mechanical cycles; all identified substitutes are rated at 100,000 cycles. Application duty cycle must be evaluated to determine if this reduction is acceptable. For low-cycle-count applications (e.g., configuration switches, setup buttons), the reduced mechanical life does not impact reliability.

Q: Is the TL58VF100Q recommended over the Panasonic alternatives?

A: Yes. The TL58VF100Q maintains identical contact rating, actuator length, and outline dimensions to the SWT6-R1M. Active product status ensures availability. ROHS3 compliance aligns with current regulatory requirements. The Panasonic parts are suitable only when dimensional variations and reduced contact rating are verified as compatible with the specific application.

Q: Are all substitute parts through-hole mounted with PC pin termination?

A: Yes. All identified substitutes (EVQ-PC205K, EVQ-PC405K, TL58VF100Q) are through-hole mounted with PC pin termination, maintaining compatibility with existing PCB designs that accommodate the SWT6-R1M footprint.