ARF0810K Equivalent & Substitute Parts

Part Overview

The ARF0810K is an 8-position DIP slide switch manufactured by TE Connectivity ALCOSWITCH Switches. This through-hole mounted component operates at 100mA and 24VDC with a standard slide actuator. The ARF0810K is classified as obsolete, making identification of equivalent substitute parts essential for ongoing design support, maintenance, and production continuity. Locating compatible alternatives ensures system reliability and supply chain stability for applications requiring this switch configuration.

Key Parameters

Parameter	Value
Circuit Configuration	SPST (Single Pole Single Throw)
Number of Positions	8
Current Rating	100mA
Voltage Rating	24VDC
Actuator Type	Slide (Standard)
Actuator Level	Flush, Recessed
Mounting Type	Through Hole
Pitch	0.100" (2.54mm)
Height Above Board	0.189" (4.80mm)
Contact Material	Copper Alloy
Contact Finish	Gold
Operating Temperature Range	-30°C ~ 85°C
Body Material	Polyphenylene Sulfide (PPS)
Mechanical Life	5,000 Cycles
Electrical Life	5,000 Cycles

Substitute Part Grouping Explanation

Substitution of the ARF0810K is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications in circuit configuration (SPST), position count (8), current rating (100mA), voltage rating (24VDC), actuator type (slide standard), mounting method (through hole), pitch (0.100"), physical dimensions, contact materials, and operating temperature range. These parameters define the functional and physical compatibility required for direct substitution in existing designs and PCB layouts. Packaging differences do not affect electrical or mechanical performance and do not preclude substitution.

Parameter Comparison

Parameter	ARF0810K	1825428-4	Match
Manufacturer	TE Connectivity ALCOSWITCH Switches	TE Connectivity ALCOSWITCH Switches	Yes
Circuit Configuration	SPST	SPST	Yes
Number of Positions	8	8	Yes
Current Rating (Amps)	100mA	100mA	Yes
Voltage Rating	24VDC	24VDC	Yes
Actuator Type	Slide (Standard)	Slide (Standard)	Yes
Actuator Level	Flush, Recessed	Flush, Recessed	Yes
Mounting Type	Through Hole	Through Hole	Yes
Termination Style	PC Pin	PC Pin	Yes
Pitch	0.100" (2.54mm)	0.100" (2.54mm)	Yes
Height Above Board	0.189" (4.80mm)	0.189" (4.80mm)	Yes
Contact Material	Copper Alloy	Copper Alloy	Yes
Contact Finish	Gold	Gold	Yes
Body Material	Polyphenylene Sulfide (PPS)	Polyphenylene Sulfide (PPS)	Yes
Operating Temperature	-30°C ~ 85°C	-30°C ~ 85°C	Yes
Mechanical Life	5,000 Cycles	5,000 Cycles	Yes
Electrical Life	5,000 Cycles	5,000 Cycles	Yes
Product Status	Obsolete	Active	Substitution Enabled
Packaging	Not Specified	Tube	Different

Engineering Selection Recommendations

The ARF0810K is obsolete and no longer in active production. The substitute part 1825428-4 is classified as active and represents the current equivalent from TE Connectivity ALCOSWITCH Switches. All electrical parameters, mechanical dimensions, and functional specifications are identical between the two parts, confirming direct substitution capability.

Both parts are RoHS non-compliant. The ARF0810K is REACH Unaffected, while 1825428-4 is REACH Affected. For applications subject to REACH compliance requirements, this distinction must be evaluated within the context of the end-use application and regional regulations.

The primary difference is packaging: 1825428-4 is supplied in tube packaging, whereas the ARF0810K packaging specification is not provided. This packaging difference does not affect electrical performance or mechanical compatibility on the PCB.

Selection of 1825428-4 is appropriate for new designs, production restarts, and replacement applications where the ARF0810K is no longer available. The active product status of 1825428-4 ensures ongoing supply chain availability and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can 1825428-4 be used as a direct replacement for ARF0810K in existing designs?

A: Yes. All electrical ratings (100mA, 24VDC, SPST), mechanical dimensions (0.189" height, 0.100" pitch), actuator type (slide standard), mounting method (through hole), and operating temperature range (-30°C to 85°C) are identical. The parts are electrically and mechanically interchangeable.

Q: What is the difference between ARF0810K and 1825428-4?

A: The primary differences are product status and packaging. ARF0810K is obsolete; 1825428-4 is active. ARF0810K packaging is unspecified; 1825428-4 is supplied in tube packaging. All functional and dimensional specifications are identical.

Q: Does the tube packaging of 1825428-4 affect PCB assembly compatibility?

A: No. Packaging format does not affect the component's electrical performance or physical fit on the PCB. Tube packaging is a supply and handling specification only.

Q: Are there RoHS or REACH compliance differences between these parts?

A: Both parts are RoHS non-compliant. ARF0810K is REACH Unaffected; 1825428-4 is REACH Affected. Applications subject to REACH regulations must evaluate this distinction based on end-use requirements and regional applicability.

Q: What is the mechanical life specification for these switches?

A: Both parts are rated for 5,000 mechanical cycles and 5,000 electrical cycles, indicating equivalent durability and operational lifespan.

Q: Can these switches be used in washable applications?

A: Yes. Both ARF0810K and 1825428-4 are specified as washable, permitting use in applications requiring PCB cleaning processes.

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