C&K 7103SD9AV2LE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 7103SD9AV2LE is a toggle switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 5A at 120V AC and 28V DC. This component features a through-hole, right-angle vertical mounting design with a standard round actuator and epoxy sealed terminals. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for continued system support and new production applications.

Substiute Parts

7103SD9AV2LE

C&KIn Stock: 10177103SD9AV2LE Datasheet

Current PartRFQ

7103SD9AV2RE

C&KIn Stock: 8147103SD9AV2RE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7103SD9AV2LE is determined by strict equivalence across the following critical parameters:

• Circuit configuration (SPDT)
• Switch function (On-Off-On)
• Current rating (5A AC/DC)
• Voltage ratings (120V AC, 28V DC)
• Mounting type (Through Hole, Right Angle, Vertical)
• Actuator specifications (Standard Round, 12.45mm length)
• Termination style (PC Pin)
• Operating temperature range (-30°C to 85°C)
• Electrical life (40,000 Cycles)
• Features (Epoxy Sealed Terminals)

The C&K 7103SD9AV2RE qualifies as a direct substitute, maintaining identical electrical and mechanical parameters while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The C&K 7103SD9AV2RE is the recommended substitute for the obsolete 7103SD9AV2LE. Both components are electrically and mechanically identical across all functional parameters. The 7103SD9AV2RE offers the advantage of active product status, ensuring continued availability and supply chain reliability. Additionally, the 7103SD9AV2RE achieves RoHS compliance and REACH affected status, meeting current regulatory requirements for new production and export applications. The transition from the non-compliant 7103SD9AV2LE to the 7103SD9AV2RE supports long-term design sustainability and regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Are the 7103SD9AV2LE and 7103SD9AV2RE electrically interchangeable?

A: Yes. Both components share identical electrical specifications: SPDT circuit, 5A current rating at 120V AC and 28V DC, On-Off-On switch function, and 40,000 cycle electrical life.

Q: Are the mounting and physical dimensions identical?

A: Yes. Both switches feature through-hole, right-angle vertical mounting with a standard round actuator of 12.45mm length and PC pin termination, ensuring direct PCB compatibility.

Q: What is the primary reason to transition from 7103SD9AV2LE to 7103SD9AV2RE?

A: The 7103SD9AV2LE is obsolete. The 7103SD9AV2RE maintains identical functionality while offering active product status, RoHS compliance, and REACH affected designation for regulatory alignment.

Q: Can the 7103SD9AV2RE be used in existing designs originally specified for the 7103SD9AV2LE?

A: Yes. The electrical and mechanical equivalence permits direct substitution in existing designs without circuit or layout modifications.

Q: Are there inventory considerations between these two parts?

A: The 7103SD9AV2LE has 962 units in stock, while the 7103SD9AV2RE has 773 units available. Both are currently in inventory.