Grayhill 34CMSP12B2M6RT Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The Grayhill 34CMSP12B2M6RT is an SPDT (Single Pole Double Throw) toggle switch rated for 0.4VA at 20V AC/DC, designed for through-hole, right-angle mounting applications. This non-illuminated switch features epoxy-sealed terminals and operates across a temperature range of -30°C to 85°C with an electrical life of 30,000 cycles. The part maintains Active product status and is RoHS3 compliant with REACH unaffected classification.

Equivalent and substitute parts are identified when design requirements permit relaxed electrical specifications, alternative packaging formats, or enhanced environmental protection ratings while maintaining core SPDT circuit functionality and through-hole mounting compatibility.

Substiute Parts

34CMSP12B2M6RT

Grayhill Inc.In Stock: 68834CMSP12B2M6RT Datasheet

Current PartRFQ

ET01MD1AGE

C&KIn Stock: 2488ET01MD1AGE Datasheet

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ET01SD1ABE

C&KIn Stock: 900ET01SD1ABE Datasheet

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T101MH9AQE

C&KIn Stock: 1216T101MH9AQE Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 34CMSP12B2M6RT are grouped based on strict adherence to the following substitution criteria:

Core Compatibility Requirements (Non-Negotiable):

• Circuit configuration: SPDT (Single Pole Double Throw)
• Switch function: On-On
• Mounting type: Through Hole, Right Angle
• Termination style: PC Pin
• Actuator type: Standard Round
• Operating temperature range: -30°C to 85°C minimum
• Illumination: Non-Illuminated
• Actuator material: Brass, Chrome Plated
• Features: Epoxy Sealed Terminals

Allowable Parameter Variations for Substitution:

• Current rating: Equal to or greater than 0.4VA
• Voltage rating (AC): Equal to or greater than 20V
• Voltage rating (DC): Equal to or greater than 20V
• Electrical life: Equal to or greater than 30,000 cycles
• Actuator length: Variation permitted within mechanical envelope constraints
• Packaging format: Bulk or Tray (both suitable for through-hole assembly)
• Ingress protection: Enhancement from unspecified to IP57 permitted
• RoHS and REACH compliance: ROHS3 compliant required; REACH affected status acceptable

Three substitute parts meet these criteria with enhanced electrical ratings, extended electrical life, or improved environmental protection.

Parameter Comparison

Engineering Selection Recommendations

ET01SD1ABE (C&K) - Direct Electrical Equivalent

The ET01SD1ABE provides the closest electrical match to the 34CMSP12B2M6RT, maintaining identical current (0.4VA) and voltage ratings (20V AC/DC). This C&K toggle switch is suitable for applications where the original specification must be preserved without electrical margin. The ET01SD1ABE offers enhanced environmental protection (IP57 rating) and extended electrical life (60,000 cycles versus 30,000), making it appropriate for designs requiring improved durability. Actuator length increases to 10.16mm; panel cutout compatibility must be verified for space-constrained applications.

ET01MD1AGE (C&K) - Enhanced Electrical Capacity

The ET01MD1AGE is specified for applications requiring higher current handling (3A) and voltage tolerance (120V AC, 28V DC). This substitute is suitable when circuit redesign permits operation at elevated electrical ratings or when future design margin is required. The ET01MD1AGE maintains SPDT configuration, through-hole right-angle mounting, and PC pin termination. IP57 ingress protection and 60,000-cycle electrical life provide enhanced environmental and operational durability. Actuator length of 6.10mm remains compatible with standard panel cutout dimensions.

T101MH9AQE (C&K) - High-Current Alternative with Tray Packaging

The T101MH9AQE delivers 3A current capacity and 120V AC rating in a tray packaging format. This substitute is appropriate for high-volume production environments where tray packaging reduces assembly handling and improves pick-and-place automation efficiency. Electrical specifications match the ET01MD1AGE. Actuator length of 5.44mm closely approximates the original 5.33mm dimension, minimizing mechanical redesign requirements. Ingress protection is not specified; applications requiring sealed operation should reference the ET01MD1AGE or ET01SD1ABE.

Compliance Basis for All Substitutes: All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard PCB assembly processes. REACH affected status for C&K parts does not preclude substitution in applications where REACH compliance is managed at the system level.

Frequently Asked Questions (FAQ)

Q: Can the ET01MD1AGE or T101MH9AQE be used as direct replacements for the 34CMSP12B2M6RT in low-voltage applications?

A: Yes. Both parts are rated for operation at 20V AC/DC and below, satisfying the original specification. The higher current ratings (3A) and voltage tolerance (120V AC, 28V DC) provide electrical margin without compromising circuit function. No circuit modification is required.

Q: What is the significance of the actuator length difference between the 34CMSP12B2M6RT (5.33mm) and ET01SD1ABE (10.16mm)?

A: Actuator length affects panel cutout depth and operator reach. The ET01SD1ABE requires 4.83mm additional panel depth. Mechanical compatibility must be verified against enclosure design. The ET01MD1AGE (6.10mm) and T101MH9AQE (5.44mm) present minimal dimensional variation.

Q: Does IP57 ingress protection on the ET01MD1AGE and ET01SD1ABE affect electrical performance in standard applications?

A: No. IP57 rating (dust protected, waterproof) is an enhancement that does not alter electrical switching characteristics or performance in dry environments. It provides additional protection for applications exposed to moisture or particulate contamination.

Q: Are there packaging considerations when substituting the bulk-packaged 34CMSP12B2M6RT with tray-packaged T101MH9AQE?

A: Tray packaging is compatible with automated assembly equipment and reduces manual handling. Both bulk and tray formats are suitable for through-hole PCB assembly. Packaging selection depends on production volume and assembly process capability, not electrical compatibility.

Q: What is the impact of the 60,000-cycle electrical life rating on substitute parts compared to the 30,000-cycle original specification?

A: Extended electrical life indicates improved contact durability and longer operational service intervals. All three substitute parts (ET01MD1AGE, ET01SD1ABE, T101MH9AQE) provide double the cycle rating, suitable for applications with high switching frequency or extended product lifecycle requirements.

Q: Is REACH affected status on C&K substitute parts a limitation for component selection?

A: REACH affected status indicates the manufacturer has declared substance compliance under REACH regulations. This does not preclude substitution; system-level REACH compliance is managed through supply chain documentation and material declarations provided by the manufacturer.

Q: Can the ET01SD1ABE be used in applications where the original 34CMSP12B2M6RT is specified without circuit redesign?

A: Yes. The ET01SD1ABE maintains identical electrical specifications (0.4VA, 20V AC/DC) and SPDT on-on configuration. Only mechanical panel cutout depth requires verification due to the 10.16mm actuator length.