Equivalent & Substitute Parts Reference for APEM Inc. 5666AB Toggle Switch

Part Overview

The APEM Inc. 5666AB is a panel-mount toggle switch in the 5000 series, featuring a 4PDT (four-pole double-throw) circuit. Rated at 6A (AC) and 4A (DC), 125V AC and 30V DC, it is non-illuminated with a standard round actuator and 10.50mm actuator length. This active part is RoHS3 compliant and comes with epoxy sealed terminals for reliability. Alternative or substitute models are required for supply continuity, inventory optimization, or to address application-specific compliance and certification requirements.

Substiute Parts

5666AB

APEM Inc.In Stock: 9815666AB Datasheet

Current PartRFQ

1004P1T1B1M1QEH

E-SwitchIn Stock: 19201004P1T1B1M1QEH Datasheet

SimilarRFQ

7401SYZQE

C&KIn Stock: 11047401SYZQE Datasheet

SimilarRFQ

M2042SD3W01

NKK SwitchesIn Stock: 814M2042SD3W01 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitutes for the APEM Inc. 5666AB toggle switch are identified strictly by matching key electrical and mechanical parameters, including circuit configuration (4PDT), switch function (On-On), current and voltage ratings, mounting style, actuator type and length, termination style, panel cutout dimensions, bushing thread, and compliance information (RoHS, MSL, and REACH). Only parts sharing these parameters are included as equivalents.

Parameter Comparison

Engineering Selection Recommendations

Selection between substitute toggle switches should be based on part status (active or obsolete) and provided compliance data (RoHS3 status, REACH status, and moisture sensitivity level). All listed substitutes are RoHS3 compliant and have MSL 1 (unlimited), ensuring compatibility with lead-free and standard handling requirements. Additional consideration should be given to the REACH affected status as indicated. Obsolete substitutes are included only when legacy replacement may be necessary.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for selecting a substitute for the APEM Inc. 5666AB toggle switch?
The essential substitution criteria are circuit configuration (4PDT), switch function (On-On), current and voltage ratings, mounting type, actuator type and length, termination style, panel cutout dimensions, bushing thread, and required compliance status.

Q2: Does actuator length variation affect substitutability?
Actuator length for all listed substitutes is within close range of the 10.50mm specified for 5666AB. Only the provided dimension is used for grouping.

Q3: Are all substitute parts RoHS3 compliant and suitable for lead-free environments?
Yes. All listed substitutes have RoHS3 compliance status and MSL 1, suitable for use in environments requiring lead-free components.

Q4: How do panel cutout dimensions and mounting type impact interchangeability?
Substitutes share circular panel cutout specifications and the panel mount type. Variations in dimensions are strictly within those provided for each part.

Q5: Does product status affect selection?
Active status parts are prioritized for ongoing designs. Obsolete substitutes are included based on the status provided and are suitable for replacement in legacy designs only according to supplied information.

Q6: Is solder lug the only termination style supported for substitution?
All substitutes use solder lug terminals as specified, ensuring compatibility with standard assembly processes.

Q7: Can these substitutes be directly exchanged in assemblies?
Only the electrical, mechanical, and compliance parameters explicitly provided are used to group these substitutes. No extrapolation or recommended testing is provided.