ADF08 DIP Switch SPST 25mA 24V Equivalent & Substitute Parts

Part Overview

The ADF08 is an 8-position DIP switch manufactured by TE Connectivity ALCOSWITCH Switches, configured as a single-pole single-throw (SPST) switch rated for 25mA at 24VDC. This component features a slide actuator with flush, recessed positioning and is designed for through-hole mounting on printed circuit boards.

The ADF08 carries an obsolete product status. Identification of equivalent substitute parts is necessary to ensure continued availability for new designs, maintenance applications, and production continuity where original inventory becomes depleted.

Substiute Parts

ADF08

TE Connectivity ALCOSWITCH SwitchesIn Stock: 1194ADF08 Datasheet

Current PartRFQ

1-1825002-3

TE Connectivity ALCOSWITCH SwitchesIn Stock: 49941-1825002-3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ADF08 is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical categories:

Electrical Parameters: Circuit configuration (SPST), number of positions (8), current rating (25mA), and voltage rating (24VDC) must be identical.

Mechanical Parameters: Actuator type (slide standard), actuator level (flush, recessed), mounting type (through hole), termination style (PC pin), pitch (0.100"), height above board (0.189"), and length (0.878") must be identical.

Material Specifications: Contact material (copper alloy), contact finish (gold), and body material (polyphenylene sulfide) must be identical.

Environmental Parameters: Operating temperature range (-30°C to 85°C), mechanical life (1,000 cycles), and electrical life (1,000 cycles) must be identical.

Parts meeting all these criteria are classified as direct substitutes and are electrically and mechanically interchangeable with the ADF08.

Parameter Comparison

Engineering Selection Recommendations

The part 1-1825002-3 is a direct electrical and mechanical equivalent to the ADF08. All functional parameters, dimensional specifications, and performance characteristics are identical.

The primary distinction between these parts is product status and regulatory compliance. The ADF08 is classified as obsolete, while 1-1825002-3 maintains active product status. Additionally, 1-1825002-3 is ROHS3 compliant, whereas the ADF08 is RoHS non-compliant.

For new designs and applications requiring current regulatory compliance, 1-1825002-3 is the appropriate selection. For legacy system maintenance where original ADF08 components are unavailable, 1-1825002-3 provides full functional and mechanical compatibility.

The packaging difference (tube for 1-1825002-3 versus unspecified for ADF08) does not affect component performance or circuit board integration.

Frequently Asked Questions (FAQ)

Q: Can 1-1825002-3 be used as a direct replacement for ADF08 in existing designs?

A: Yes. The 1-1825002-3 is electrically and mechanically identical to the ADF08 across all specified parameters. Pin configuration, electrical ratings, physical dimensions, and performance characteristics are equivalent. Direct substitution is possible without circuit modification.

Q: What is the difference between ADF08 and 1-1825002-3?

A: The components are functionally identical. The primary differences are product status (ADF08 is obsolete; 1-1825002-3 is active) and regulatory compliance (1-1825002-3 is ROHS3 compliant; ADF08 is not). Packaging is specified as tube for 1-1825002-3.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts share identical dimensions: 0.878" length, 0.189" height above board, and 0.100" pitch. Through-hole mounting and PC pin termination are identical. No PCB layout modifications are required.

Q: Does the RoHS compliance difference affect electrical performance?

A: No. RoHS compliance relates to material composition and environmental regulations, not electrical performance. Both parts operate identically within the specified 25mA at 24VDC rating and -30°C to 85°C temperature range.

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

A: Both the ADF08 and 1-1825002-3 are rated for 1,000 mechanical cycles and 1,000 electrical cycles under specified operating conditions.

Q: Are these parts washable?

A: Yes. Both the ADF08 and 1-1825002-3 are washable components, suitable for cleaning processes in manufacturing environments.

Q: What contact material is used in these switches?

A: Both parts use copper alloy contacts with gold finish, providing reliable electrical contact and corrosion resistance across the operating temperature range.