C&K 7101MD9V4LE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 7101MD9V4LE is a toggle switch with SPDT (Single Pole Double Throw) configuration rated for 5A at 120V AC and 28V DC. This through-hole mounted switch features a standard round actuator with epoxy sealed terminals and is part of the 7000 series. The part is currently obsolete, making identification of suitable substitute components essential for ongoing system support and new designs requiring equivalent functionality.

Substiute Parts

7101MD9V4LE

C&KIn Stock: 9807101MD9V4LE Datasheet

Current PartRFQ

7101MD9V4RE

C&KIn Stock: 10667101MD9V4RE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7101MD9V4LE is determined by strict equivalence across the following critical parameters:

• Circuit configuration: SPDT
• Switch function: On-On
• Current rating: 5A (AC/DC)
• Voltage ratings: 120V AC and 28V DC minimum
• Mounting type: Through Hole
• Actuator type and length: Standard Round, 6.86mm
• Termination style: PC Pin
• Operating temperature range: -30°C to 85°C
• Electrical life: 100,000 Cycles
• Features: Epoxy Sealed Terminals

The C&K 7101MD9V4RE qualifies as a direct substitute, matching all electrical and mechanical parameters while offering active product status and improved compliance documentation.

Parameter Comparison

Engineering Selection Recommendations

The C&K 7101MD9V4RE is a direct functional equivalent to the 7101MD9V4LE. Both components share identical electrical ratings, mechanical dimensions, and operational characteristics. The primary distinction is product lifecycle status: the 7101MD9V4LE is obsolete, while the 7101MD9V4RE maintains active production status.

For new designs and ongoing system support, the 7101MD9V4RE is the appropriate selection. It provides equivalent performance with the advantage of current manufacturer support and documented compliance certifications. The REACH Affected status of the 7101MD9V4RE reflects current regulatory documentation practices and does not indicate functional incompatibility.

Frequently Asked Questions (FAQ)

Q: Can the 7101MD9V4RE directly replace the 7101MD9V4LE in existing applications?

A: Yes. Both components are electrically and mechanically identical across all specified parameters, including circuit configuration, current and voltage ratings, mounting type, actuator dimensions, and operating temperature range. Direct substitution is supported without circuit modification.

Q: What is the significance of the product status difference between these parts?

A: The 7101MD9V4LE is obsolete and no longer manufactured. The 7101MD9V4RE is actively produced. For applications requiring long-term component availability, the 7101MD9V4RE is the recommended choice.

Q: Are there compliance differences between these parts?

A: Both components meet RoHS requirements. The 7101MD9V4RE carries REACH Affected status, indicating it is subject to REACH regulatory documentation. The 7101MD9V4LE is listed as REACH Unaffected. This distinction reflects regulatory classification and does not affect functional compatibility or performance.

Q: What are the critical parameters for SPDT toggle switch substitution?

A: Substitution requires matching circuit configuration (SPDT), switch function (On-On), current rating (5A AC/DC), voltage ratings (120V AC, 28V DC), mounting type (Through Hole), actuator specifications (Standard Round, 6.86mm), termination style (PC Pin), and operating temperature range (-30°C to 85°C).

Q: Is the epoxy sealed terminal feature maintained in the substitute part?

A: Yes. The 7101MD9V4RE includes epoxy sealed terminals, matching the feature set of the 7101MD9V4LE.