Grayhill 34ASP32B1M1RT Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The Grayhill 34ASP32B1M1RT is an SPDT (Single Pole Double Throw) toggle switch rated for 0.4VA at 20V AC/DC, designed for panel mount applications with a standard round actuator. This switch is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits operation within alternative electrical and mechanical specifications that maintain circuit functionality.

Substiute Parts

34ASP32B1M1RT

Grayhill Inc.In Stock: 85834ASP32B1M1RT Datasheet

Current PartRFQ

7103MDZQE

C&KIn Stock: 9867103MDZQE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Grayhill 34ASP32B1M1RT is determined by the following critical parameters:

Circuit Configuration: Both the main part and substitute must maintain SPDT topology to preserve switching logic and circuit control functionality.

Switch Function: On-Off-On operation must be preserved to ensure identical control behavior in the application.

Mounting Type: Panel mount configuration with identical mechanical interface (1/4-40 bushing thread and 6.35mm circular cutout) ensures direct physical compatibility without enclosure redesign.

Termination Style: Solder lug termination must be maintained for PCB assembly compatibility.

Operating Temperature Range: The substitute must support the full -30°C ~ 85°C operating window to function across all specified environmental conditions.

Electrical Life: Minimum 40,000 cycles ensures equivalent durability and service life expectations.

Compliance Standards: RoHS3 compliance is required for regulatory alignment in target markets.

The C&K 7103MDZQE satisfies all substitution criteria. While it provides higher current (5A) and voltage (120V AC / 28V DC) ratings, these represent design margin improvements that do not compromise compatibility. The substitute operates within the same temperature range, maintains identical mechanical interfaces, and meets all compliance requirements.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: Grayhill 34ASP32B1M1RT remains the specified component for new designs and production runs where supply is available. Active product status and established design validation support continued use.

Substitute Selection: C&K 7103MDZQE is qualified as a direct substitute when Grayhill 34ASP32B1M1RT availability is constrained. The substitute maintains all critical mechanical and electrical parameters required for circuit functionality. Higher current and voltage ratings provide additional design margin without introducing incompatibility.

Compliance Alignment: Both components are RoHS3 compliant and carry EAR99 ECCN classification, ensuring regulatory compliance in target markets. The C&K 7103MDZQE is REACH Affected, requiring supply chain documentation verification for applications subject to REACH regulations.

Inventory Considerations: Grayhill 34ASP32B1M1RT inventory is 749 units. C&K 7103MDZQE inventory is 907 units. Both are available in bulk packaging.

Frequently Asked Questions (FAQ)

Q: Can the C&K 7103MDZQE replace the Grayhill 34ASP32B1M1RT in existing designs without modification?

A: Yes. Both switches share identical SPDT circuit configuration, On-Off-On function, panel mount interface (1/4-40 bushing, 6.35mm cutout), solder lug termination, and operating temperature range. No PCB or enclosure modifications are required.

Q: Why does the C&K substitute have higher current and voltage ratings?

A: The C&K 7103MDZQE is rated for 5A at 120V AC and 28V DC, compared to the Grayhill 0.4VA at 20V. Higher ratings indicate a different internal contact design and material composition. These ratings represent design margin and do not affect compatibility with applications operating within the original Grayhill specifications.

Q: Are there mechanical differences between the two switches?

A: Both switches feature standard round actuators with identical panel cutout dimensions (6.35mm circular) and bushing thread (1/4-40). The Grayhill actuator length is 5.08mm; the C&K actuator length is 6.86mm. This difference may affect panel aesthetics but does not impact electrical function or mechanical mounting.

Q: What is the difference between ROHS3 Compliant and REACH Affected status?

A: ROHS3 Compliant indicates the component meets Restriction of Hazardous Substances Directive requirements for restricted substances. REACH Affected indicates the component contains substances subject to REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulations. Both statuses are regulatory compliance markers; REACH Affected requires additional supply chain documentation for certain applications.

Q: Can I use the C&K 7103MDZQE in applications requiring the exact Grayhill specifications?

A: The C&K 7103MDZQE exceeds the Grayhill 34ASP32B1M1RT specifications in current and voltage ratings while maintaining identical circuit function, mounting interface, and operating temperature range. Substitution is valid for applications operating within the original Grayhill electrical envelope.

Q: What is the electrical life expectancy for both switches?

A: Both the Grayhill 34ASP32B1M1RT and C&K 7103MDZQE are rated for 40,000 electrical cycles, indicating equivalent durability and service life under specified operating conditions.

Q: Are there packaging differences between the two parts?

A: Both components are supplied in bulk packaging. No special packaging requirements or differences are specified.