Equivalent & Substitute Parts Reference for APEM Inc. 5639AB Toggle Switch

Part Overview

The APEM Inc. 5639AB is a panel mount toggle switch categorized under SPDT (Single Pole Double Throw) switches, featuring an On-Off-On switch function. It is rated for 6A at 125V AC and 4A at 30V DC, with non-illuminated, round brass (nickel plated) actuator and solder lug terminations. The part is active and ROHS3 compliant. Engineering teams may require direct substitutes or alternatives due to inventory availability, multi-sourcing policies, or qualification requirements, while maintaining electrical, mechanical, and regulatory compliance.

Key Parameters

Manufacturer Part Number	Series	Product Status	Mounting Type	Circuit	Switch Function	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Actuator Length	Illumination	Termination Style	Panel Cutout Dimensions	Bushing Thread	Features	Operating Temperature	Actuator Material	Electrical Life	RoHS Status	MSL	REACH Status	Packaging
5639AB	5000	Active	Panel Mount	SPDT	On-Off-On	6A (AC), 4A (DC)	125 V	30 V	Standard Round	10.50mm	Non-Illuminated	Solder Lug	Circular - 6.50mm Dia	1/4-40	Epoxy Sealed Terminals	-40°C ~ 85°C	Brass, Nickel Plated	50,000 Cycles	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	Bulk

Substitute Part Grouping Explanation

Substitute and equivalent toggle switches are selected based strictly on identical or close matching parameters for panel mount SPDT switches. Parameters determining substitutability: switch circuit (SPDT), switch function (On-Off-On), mounting type (Panel Mount), termination style (Solder Lug), actuator type (Standard Round), actuator length, current and voltage ratings, panel cutout size, bushing thread, actuator material, features such as epoxy sealed terminals, electrical life rating, compliance (ROHS3), and operating temperature range. Only toggle switches with matching or closely aligned electrical, mechanical, and compliance ratings are included.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Product Status	Mounting Type	Circuit	Switch Function	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Actuator Length	Illumination	Termination Style	Panel Cutout Dimensions	Bushing Thread	Features	Operating Temperature	Actuator Material	Electrical Life	RoHS Status	MSL	REACH Status	Packaging
5639AB	APEM Inc.	5000	Active	Panel Mount	SPDT	On-Off-On	6A (AC), 4A (DC)	125 V	30 V	Standard Round	10.50mm	Non-Illuminated	Solder Lug	Circular - 6.50mm Dia	1/4-40	Epoxy Sealed Terminals	-40°C ~ 85°C	Brass, Nickel Plated	50,000 Cycles	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	Bulk
7103SHZQE	C&K	7000	Active	Panel Mount	SPDT	On-Off-On	5A (AC/DC)	120 V	28 V	Standard Round	10.67mm	Non-Illuminated	Solder Lug	Circular - 6.35mm Dia	1/4-40	Epoxy Sealed Terminals	-30°C ~ 85°C	Brass, Chrome Plated	40,000 Cycles	ROHS3 Compliant	1 (Unlimited)	REACH Affected	Bulk
100SP3T1B1M1QEH	E-Switch	100	Active	Panel Mount	SPDT	On-Off-On	5A (AC/DC)	120 V	28 V	Standard Round	10.41mm	Non-Illuminated	Solder Lug	Circular - 6.35mm Dia	1/4-40	Epoxy Sealed Terminals	-30°C ~ 85°C	Brass, Chrome Plated	40,000 Cycles	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	Bulk
2M1-SP3-T1-B1-M1QE	Carling Technologies	2M	Active	Panel Mount	SPDT	On-Off-On	5A (AC/DC)	125 V	28 V	Standard Round	10.40mm	Non-Illuminated	Solder Lug	Circular - 6.35mm Dia	1/4-40	Epoxy Sealed Terminals	-30°C ~ 85°C	Brass, Chrome Plated	50,000 Cycles	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	Bulk
7103SYZQE	C&K	7000	Active	Panel Mount	SPDT	On-Off-On	5A (AC/DC)	120 V	28 V	Standard Round	10.67mm	Non-Illuminated	Solder Lug	Circular - 6.35mm Dia	1/4-40	Epoxy Sealed Terminals	-30°C ~ 85°C	Brass, Chrome Plated	40,000 Cycles	ROHS3 Compliant	1 (Unlimited)	REACH Affected	Bulk

Engineering Selection Recommendations

All listed substitute toggle switches feature an active product status, panel mount configuration, SPDT circuit, On-Off-On function, standard round actuator, solder lug termination style, epoxy sealed terminals, and compliance with ROHS3 standards. Each meets MSL 1 requirement. All are available in bulk packaging and possess comparable operating temperature ranges. REACH status and actuator materials are disclosed; select substitutes according to specific regulatory or environmental criteria as required by application.

Frequently Asked Questions (FAQ)

Q1: What electrical ratings must be matched for toggle switch substitution?
A1: Substitute selection requires matching AC and DC voltage ratings and the current rating. All listed substitutes provide comparable ratings to the APEM Inc. 5639AB.

Q2: Are mounting and mechanical dimensions consistent across substitutes?
A2: All substitutes support panel mount, utilize a circular cutout (6.35mm vs. 6.50mm), and feature 1/4-40 bushing threads. Actuator lengths are aligned within typical tolerances.

Q3: What switch function is required for equivalence?
A3: All listed parts provide SPDT circuit and On-Off-On functionality, identical to the original part.

Q4: Is environmental regulatory compliance preserved?
A4: All substitutes conform to ROHS3; MSL 1 (Unlimited); REACH status is provided for each part.

Q5: How does packaging affect substitution?
A5: All parts are supplied in bulk packaging, consistent with the original 5639AB specification.

Q6: Are features such as terminal sealing and actuator material addressed in substitution?
A6: All substitutes offer epoxy sealed terminals and use round brass actuators with either nickel or chrome plating, as specified.

Q7: How should operational temperature range be considered?
A7: Substitute switches function within -30°C to 85°C, compared to the original's -40°C to 85°C, meeting standard industry and application tolerances.

Q8: Will there be any change in electrical life expectancy?
A8: Listed substitutes have 40,000 to 50,000 cycles electrical life, corresponding closely to the original 50,000 cycles rating.

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