ET01MD1APE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The ET01MD1APE is an active production toggle switch manufactured by C&K, featuring SPDT (Single Pole Double Throw) circuitry with 0.4VA current rating at 20V AC/DC. This through-hole, right-angle mounted switch is designed for applications requiring reliable on-on switching with epoxy sealed terminals and IP57 ingress protection. Substitute parts are identified when equivalent electrical specifications and mechanical mounting characteristics align with application requirements.

Substiute Parts

ET01MD1APE

C&KIn Stock: 965ET01MD1APE Datasheet

Current PartRFQ

A12HH

NKK SwitchesIn Stock: 708A12HH Datasheet

SimilarRFQ

A12JH

NKK SwitchesIn Stock: 1101A12JH Datasheet

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A12JH-JA

NKK SwitchesIn Stock: 799A12JH-JA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ET01MD1APE are qualified based on the following critical parameters:

Electrical Compatibility: All substitute parts maintain SPDT circuit configuration with 0.4VA current rating and on-on switch function. Substitute parts operate at 28V AC/DC, which exceeds the 20V requirement of the main part, ensuring electrical compatibility in applications rated for 20V operation.

Mechanical Compatibility: All substitute parts feature through-hole, right-angle mounting with PC pin termination, matching the main part's physical interface requirements.

Environmental Specifications: All substitute parts operate across the -30°C to 85°C temperature range, matching the main part's thermal envelope.

Regulatory Compliance: All substitute parts maintain ROHS3 compliance and EAR99 ECCN classification, consistent with the main part.

Actuator Variations: Substitute parts differ in actuator type (flatted, standard round, or standard round with cap) and actuator material composition, which do not affect electrical substitution eligibility but may influence mechanical fit and operational feel.

Parameter Comparison

Engineering Selection Recommendations

All three NKK Switches substitute parts (A12HH, A12JH, A12JH-JA) are active production components with ROHS3 compliance and EAR99 classification, matching the regulatory status of the ET01MD1APE.

A12JH and A12JH-JA feature standard round actuators, providing the closest mechanical correspondence to the ET01MD1APE's standard round actuator design. A12JH-JA includes a black cap feature as a distinguishing characteristic.

A12HH features a flatted actuator type, offering an alternative actuator geometry while maintaining all critical electrical and mounting specifications.

All substitute parts exceed the voltage rating of the main part (28V versus 20V), ensuring safe operation in applications designed for 20V switching. Actuator length differences (6.30mm versus 6.10mm) represent minor dimensional variations that do not affect electrical substitution but may require mechanical clearance verification in space-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can NKK Switches A12JH be used as a direct replacement for ET01MD1APE?

A: Yes. Both parts share identical SPDT circuit configuration, 0.4VA current rating, on-on switch function, through-hole right-angle mounting, PC pin termination, and -30°C to 85°C operating temperature range. The A12JH operates at 28V AC/DC, which exceeds the 20V requirement and is electrically compatible. Actuator length differs by 0.2mm (6.30mm versus 6.10mm), requiring mechanical clearance verification.

Q: What is the difference between A12JH and A12JH-JA?

A: Both parts are electrically identical with matching SPDT configuration, current rating, voltage rating, and mounting specifications. A12JH-JA includes a black cap feature on the standard round actuator as the primary distinguishing characteristic. The base product number for A12JH-JA references A12JH, indicating a variant configuration.

Q: Why do substitute parts have higher voltage ratings (28V) than the main part (20V)?

A: Higher voltage ratings indicate greater electrical stress capability. A component rated for 28V can safely operate at 20V without performance degradation. This characteristic does not prevent substitution; it ensures reliable operation within the lower voltage requirement of the original application.

Q: Are there mechanical compatibility concerns with the 0.2mm actuator length difference?

A: The ET01MD1APE has a 6.10mm actuator length while substitute parts measure 6.30mm. This 0.2mm difference is minor but should be verified against panel cutout dimensions and mechanical clearance requirements in the specific application to ensure proper fit and operation.

Q: Do all substitute parts maintain the same electrical life rating?

A: No. The ET01MD1APE is rated for 60,000 electrical cycles, while all NKK Switches substitutes (A12HH, A12JH, A12JH-JA) are rated for 50,000 cycles. Applications requiring extended cycle life should account for this 10,000-cycle difference in component selection.

Q: Are all parts RoHS and REACH compliant?

A: All parts maintain ROHS3 compliance. The ET01MD1APE is REACH Affected, while all NKK Switches substitutes are REACH Unaffected. Both statuses are compliant with current regulations; the difference reflects manufacturing origin and supply chain documentation requirements.