C&K 7101SYV3LE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 7101SYV3LE is a panel-mount toggle switch with SPDT (Single Pole Double Throw) configuration rated for 5A at 120V AC and 28V DC. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing applications and new designs. The 7000 series design provides a proven switching solution with epoxy-sealed terminals and a standard round actuator configuration suitable for industrial and commercial control applications.

Substiute Parts

7101SYV3LE

C&KIn Stock: 9977101SYV3LE Datasheet

Current PartRFQ

7101SYV3RE

C&KIn Stock: 8417101SYV3RE Datasheet

DirectRFQ

34ASP11B1V3QT

Grayhill Inc.In Stock: 108034ASP11B1V3QT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7101SYV3LE is determined by the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: SPDT
• Switch function: On-On
• Current rating: 5A (AC/DC)
• Voltage rating - AC: 120V minimum
• Voltage rating - DC: 28V
• Mounting type: Panel Mount
• Panel cutout dimensions: Circular - 6.35mm Dia
• Bushing thread: 1/4-40
• Termination style: PC Pin
• Operating temperature range: -30°C to 85°C minimum

Allowable Variations:

• Actuator length: ±0.26mm tolerance
• Electrical life: Equal to or greater than 100,000 cycles
• Manufacturer: Different manufacturers acceptable if all electrical and mechanical parameters align
• Product status: Active status preferred for new designs; obsolete acceptable for replacement applications

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent - C&K 7101SYV3RE:

The 7101SYV3RE is the direct equivalent to the 7101SYV3LE. Both parts share identical electrical ratings, mechanical dimensions, and functional specifications within the C&K 7000 series. The 7101SYV3RE maintains active product status, ensuring continued availability and supply chain stability. This part is the primary recommendation for replacement applications and new designs requiring the 7101SYV3LE specification.

Similar Substitute - Grayhill Inc. 34ASP11B1V3QT:

The 34ASP11B1V3QT provides functional equivalence with the following considerations: AC voltage rating is 125V (5V higher than the 120V specification), and electrical life is rated at 40,000 cycles (60% of the 100,000-cycle rating). All other electrical and mechanical parameters align with the main part specification. This part is suitable for applications where the higher AC voltage rating provides margin and where the reduced electrical life cycle does not conflict with application requirements. The 34ASP11B1V3QT maintains active product status and RoHS compliance.

Frequently Asked Questions (FAQ)

Q: Can the 7101SYV3RE be used as a direct replacement for the 7101SYV3LE?

A: Yes. The 7101SYV3RE is a direct equivalent with identical electrical ratings (5A at 120V AC / 28V DC), mechanical dimensions (6.35mm panel cutout, 1/4-40 bushing thread), and functional configuration (SPDT On-On). The primary difference is product status: 7101SYV3RE is active, while 7101SYV3LE is obsolete.

Q: What are the key differences between the C&K 7101SYV3RE and the Grayhill 34ASP11B1V3QT?

A: The 34ASP11B1V3QT has an AC voltage rating of 125V (versus 120V) and an electrical life of 40,000 cycles (versus 100,000 cycles). Actuator length differs by 0.26mm (10.41mm versus 10.67mm). All other parameters, including current rating, DC voltage, mounting configuration, and panel cutout dimensions, are identical.

Q: Is the 34ASP11B1V3QT suitable for high-cycle applications?

A: The 34ASP11B1V3QT is rated for 40,000 electrical cycles. Applications requiring 100,000+ cycles should use the 7101SYV3LE or 7101SYV3RE, both rated for 100,000 cycles.

Q: Are all substitute parts panel-mount compatible with the original design?

A: Yes. All listed parts share identical panel cutout dimensions (Circular - 6.35mm Dia) and bushing thread specifications (1/4-40), ensuring mechanical compatibility with existing panel installations.

Q: What compliance certifications apply to these parts?

A: The 7101SYV3LE is ROHS3 compliant. The 7101SYV3RE and 34ASP11B1V3QT are RoHS compliant. All parts are rated EAR99 for export control purposes.