TE Connectivity ALCOSWITCH 1571925-5 Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The TE Connectivity ALCOSWITCH 1571925-5 is a panel-mounted toggle switch with Single Pole Double Throw (SPDT) circuit configuration, rated for 6A AC at 125V and 4A DC at 28V. This component features a flatted actuator design with solder lug termination and epoxy sealed terminals for enhanced reliability. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure ongoing component availability for production and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer	TE Connectivity ALCOSWITCH Switches
Part Number	1571925-5
Series	MTF Green
Product Status	Obsolete
Circuit Configuration	SPDT
Switch Function	On-Momentary
Current Rating (AC)	6A
Current Rating (DC)	4A
Voltage Rating (AC)	125V
Voltage Rating (DC)	28V
Mounting Type	Panel Mount
Actuator Type	Flatted
Actuator Length	12.32mm
Termination Style	Solder Lug
Bushing Thread	1/4-40
Operating Temperature Range	-20°C to 80°C
Features	Epoxy Sealed Terminals

Substitute Part Grouping Explanation

Substitution of the obsolete 1571925-5 is based on electrical and mechanical parameter equivalence within the MTF Green series. The substitute part MTF106F maintains identical electrical specifications including SPDT circuit configuration, 6A AC / 4A DC current ratings, 125V AC / 28V DC voltage ratings, and On-Momentary switch function. Both components feature panel mount configuration with 1/4-40 bushing thread, flatted actuator design at 12.32mm length, solder lug termination, and epoxy sealed terminals. Operating temperature range remains consistent at -20°C to 80°C. The MTF106F is classified as an active product, ensuring continued availability and supply chain reliability. Substitution is valid based on matching electrical load capacity, circuit topology, mechanical mounting interface, and environmental operating parameters.

Parameter Comparison

Parameter	1571925-5 (Main Part)	MTF106F (Substitute)	Match Status
Manufacturer	TE Connectivity ALCOSWITCH Switches	TE Connectivity ALCOSWITCH Switches	Identical
Series	MTF Green	MTF Green	Identical
Circuit Configuration	SPDT	SPDT	Identical
Switch Function	On-Momentary	On-Momentary	Identical
Current Rating (AC)	6A	6A	Identical
Current Rating (DC)	4A	4A	Identical
Voltage Rating (AC)	125V	125V	Identical
Voltage Rating (DC)	28V	28V	Identical
Mounting Type	Panel Mount	Panel Mount	Identical
Actuator Type	Flatted	Flatted	Identical
Actuator Length	12.32mm	12.32mm	Identical
Termination Style	Solder Lug	Solder Lug	Identical
Bushing Thread	1/4-40	1/4-40	Identical
Operating Temperature Range	-20°C to 80°C	-20°C to 80°C	Identical
Features	Epoxy Sealed Terminals	Epoxy Sealed Terminals	Identical
Product Status	Obsolete	Active	Substitute is Active
ECCN Classification	EAR99	EAR99	Identical
HTSUS Code	8536.50.9065	8536.50.9065	Identical

Engineering Selection Recommendations

The MTF106F is the direct equivalent substitute for the obsolete 1571925-5. Both components are manufactured by TE Connectivity ALCOSWITCH within the MTF Green series and share identical electrical and mechanical specifications. The MTF106F holds active product status, ensuring availability through standard distribution channels and manufacturing support. Both parts carry identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications, confirming regulatory equivalence for export and tariff purposes. The substitute part maintains full compatibility with existing circuit designs, panel cutout dimensions, and termination requirements. Selection of MTF106F eliminates obsolescence risk while preserving design integrity and electrical performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can MTF106F be used as a direct replacement for 1571925-5 in existing designs?

A: Yes. Both components are electrically and mechanically equivalent. They share identical SPDT circuit configuration, 6A AC / 4A DC current ratings, 125V AC / 28V DC voltage ratings, panel mount interface with 1/4-40 bushing thread, flatted 12.32mm actuator, solder lug termination, and epoxy sealed terminals. Operating temperature range is identical at -20°C to 80°C.

Q: What is the primary reason for substitution?

A: The 1571925-5 is classified as obsolete. The MTF106F is an active product within the same MTF Green series, ensuring continued supply chain availability and manufacturer support.

Q: Are there differences in actuator material between these parts?

A: The 1571925-5 features copper alloy with chrome plating. The MTF106F uses brass with nickel plating. Both materials are suitable for the specified electrical and environmental parameters.

Q: Do both parts have identical electrical life specifications?

A: The 1571925-5 specifies 60,000 cycles electrical life. The MTF106F electrical life specification is not provided in the available documentation.

Q: Are packaging differences significant for component selection?

A: The 1571925-5 is supplied with standard packaging. The MTF106F is supplied in bulk packaging. This distinction affects inventory management and procurement processes but does not impact electrical or mechanical performance.

Q: Do both parts comply with the same regulatory standards?

A: Yes. Both components carry identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications, confirming regulatory equivalence for international trade and tariff purposes.

Q: What is the moisture sensitivity level of the substitute part?

A: The MTF106F carries MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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