C&K 7101SD9A2BE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 7101SD9A2BE is an SPDT toggle switch rated for 0.4VA at 20V, designed for through-hole, right-angle mounting applications. This switch features epoxy sealed terminals and operates across a temperature range of -30°C to 85°C with an electrical life of 100,000 cycles. The product is currently active and ROHS3 compliant, making it suitable for industrial and commercial electronic assemblies requiring reliable switching functionality.

Substitute parts become necessary when the primary manufacturer experiences supply constraints, extended lead times, or when design flexibility allows for alternative sourcing to optimize procurement costs and inventory management.

Substiute Parts

7101SD9A2BE

C&KIn Stock: 7357101SD9A2BE Datasheet

Current PartRFQ

100SP1T1B4M6RE

E-SwitchIn Stock: 1663100SP1T1B4M6RE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The E-Switch 100SP1T1B4M6RE qualifies as a direct substitute for the C&K 7101SD9A2BE based on the following critical parameters:

Matching Electrical Specifications:

• Identical circuit configuration (SPDT)
• Identical switch function (On-On)
• Identical current rating (0.4VA AC/DC)
• Identical voltage ratings (20V AC and DC)

Matching Mechanical Specifications:

• Identical mounting type (Through Hole, Right Angle)
• Identical actuator type (Standard Round)
• Identical termination style (PC Pin)
• Identical operating temperature range (-30°C to 85°C)

Matching Environmental & Compliance:

• Identical illumination status (Non-Illuminated)
• Identical RoHS status (ROHS3 Compliant)
• Identical MSL rating (1 - Unlimited)
• Identical HTSUS classification (8536.50.9065)

These parameters define the functional and physical interchangeability requirements for SPDT toggle switches in this application class.

Parameter Comparison

Engineering Selection Recommendations

Both the C&K 7101SD9A2BE and E-Switch 100SP1T1B4M6RE are active products with ROHS3 compliance and identical electrical and mechanical specifications for SPDT switching applications at 0.4VA and 20V ratings.

The primary differentiator is electrical life rating: the C&K part specifies 100,000 cycles while the E-Switch part specifies 40,000 cycles. Applications requiring extended cycle life should prioritize the C&K 7101SD9A2BE. Applications with moderate cycle requirements may utilize the E-Switch substitute.

Both parts carry identical ECCN (EAR99) and HTSUS classifications. The E-Switch part carries REACH Unaffected status, while the C&K part is REACH Affected. Regulatory requirements specific to your supply chain and end-market should be evaluated accordingly.

Actuator length differs by 2.04mm (C&K: 12.45mm vs. E-Switch: 10.41mm). Panel cutout and mechanical clearance validation is required before substitution in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the E-Switch 100SP1T1B4M6RE be used as a direct replacement for the C&K 7101SD9A2BE?

A: Yes, provided that the 2.04mm difference in actuator length does not conflict with panel cutout dimensions or mechanical clearance requirements in your assembly. Both parts meet identical electrical specifications (SPDT, 0.4VA, 20V) and mechanical mounting requirements (through-hole, right-angle, PC pin termination).

Q: What is the significance of the electrical life difference (100,000 vs. 40,000 cycles)?

A: Electrical life indicates the number of switching cycles a component can perform while maintaining specified electrical characteristics. The C&K part supports 2.5 times more cycles. Select based on your application's expected switching frequency and service life requirements.

Q: Are there any compliance or regulatory differences between these parts?

A: Both parts are ROHS3 compliant and carry identical ECCN and HTSUS classifications. The E-Switch part is REACH Unaffected while the C&K part is REACH Affected. Verify REACH compliance requirements for your specific end-market and supply chain.

Q: What packaging is available for these parts?

A: Both parts are supplied in bulk packaging. Verify minimum order quantities and lead times with your supplier.

Q: Are these parts suitable for AC and DC applications?

A: Yes. Both parts are rated for 0.4VA at 20V for both AC and DC operation, with identical operating temperature ranges of -30°C to 85°C.