STS141RA Equivalent & Substitute Parts

Part Overview

The STS141RA is a slide switch manufactured by TE Connectivity ALCOSWITCH Switches, configured as a single-pole four-throw (SP4T) switch with a 300mA AC current rating at 125V. This through-hole, right-angle mounted component features epoxy sealed terminals and is designed for applications requiring multiple discrete switching positions with make-before-break (shorting) contact timing.

The STS141RA is classified as obsolete. Locating equivalent or substitute components is necessary to support ongoing maintenance, repair, and new design requirements where this part is specified or functionally required.

Substiute Parts

STS141RA

TE Connectivity ALCOSWITCH SwitchesIn Stock: 1085STS141RA Datasheet

Current PartRFQ

1825160-3

TE Connectivity ALCOSWITCH SwitchesIn Stock: 7491825160-3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the STS141RA is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must satisfy the following criteria:

Electrical Parameters:

• Circuit configuration: SP4T
• Current rating: 300mA AC minimum
• Voltage rating: 125V AC minimum
• Contact timing: Shorting (MBB)
• Switch function: On-On-On-On

Mechanical Parameters:

• Mounting type: Through Hole, Right Angle
• Termination style: PC Pin
• Actuator length: 4.00mm
• Switch travel: 2.50mm
• Operating force: 250gf
• Mechanical life: 10,000 cycles minimum

Environmental Parameters:

• Operating temperature range: -10°C to 60°C
• Contact material: Copper Alloy with Silver finish

The substitute part 1825160-3 meets all specified electrical and mechanical parameters and is therefore classified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The part 1825160-3 is a direct functional equivalent to the STS141RA. Both components are manufactured by TE Connectivity ALCOSWITCH Switches within the STS series and share identical electrical and mechanical specifications.

Product Status Consideration: The STS141RA is classified as obsolete, while 1825160-3 is classified as active. The active status of 1825160-3 indicates current manufacturing availability and ongoing vendor support. For new designs, repair applications, and inventory replenishment, 1825160-3 is the appropriate selection.

Compliance and Certification: Both parts carry identical ECCN (EAR99) and HTSUS (8536.50.9050) classifications. The STS141RA is RoHS non-compliant, while 1825160-3 has RoHS status listed as not applicable. For applications requiring RoHS compliance, component-level compliance verification with the end-use application is necessary.

Inventory Availability: 1825160-3 is currently available with 679 pieces in stock, providing immediate procurement capability for production and service requirements.

Frequently Asked Questions (FAQ)

Q: Can 1825160-3 be used as a direct replacement for STS141RA in existing designs?

A: Yes. The 1825160-3 is electrically and mechanically equivalent to the STS141RA. All functional parameters, including circuit configuration (SP4T), current rating (300mA AC), voltage rating (125V AC), mounting type (through-hole right-angle), and termination style (PC pin) are identical. No circuit modifications or PCB layout changes are required.

Q: What is the difference between these two parts?

A: The primary difference is product status. The STS141RA is obsolete, while 1825160-3 is active. This means 1825160-3 is currently manufactured and supported by TE Connectivity. All electrical and mechanical specifications are identical.

Q: Are the physical dimensions and pin configurations identical?

A: Yes. Both parts feature identical actuator length (4.00mm), switch travel (2.50mm), mounting configuration (through-hole right-angle), and PC pin termination. They are mechanically interchangeable.

Q: What is the contact timing specification, and does it differ between these parts?

A: Both parts use shorting contact timing (make-before-break, MBB). This means the new contact position is established before the previous contact is broken, ensuring continuous circuit connection during switching transitions. This specification is identical for both parts.

Q: Are there any compliance or certification differences?

A: Both parts share identical ECCN (EAR99) and HTSUS (8536.50.9050) classifications. The STS141RA is RoHS non-compliant, while 1825160-3 is listed as RoHS not applicable. For applications with specific compliance requirements, end-use verification is necessary.

Q: What is the mechanical life rating, and is it the same for both parts?

A: Both parts are rated for 10,000 mechanical cycles. This specification defines the expected operational lifespan under normal switching conditions.

Q: Can these parts be used in the same PCB footprint?

A: Yes. Both parts are through-hole, right-angle mounted components with PC pin termination. They use identical mounting specifications and will fit the same PCB footprint without modification.