NDIR08HT DIP Switch Equivalent & Substitute Parts

Part Overview

The NDIR08HT is an 8-position DIP switch manufactured by APEM Inc., designed for through-hole PCB mounting applications requiring low-current switching at 24VDC. This SPST (Single Pole Single Throw) component features a slide actuator with gold-plated copper alloy contacts and is rated for 25mA continuous current. The product is Active status and ROHS3 compliant, making it suitable for modern electronic assemblies. Substitute parts are identified when equivalent electrical ratings, mechanical compatibility, and circuit functionality align with the original specification, enabling component sourcing flexibility without redesign.

Substiute Parts

NDIR08HT

APEM Inc.In Stock: 825NDIR08HT Datasheet

Current PartRFQ

JS0108AP4-S

NKK SwitchesIn Stock: 1534JS0108AP4-S Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the NDIR08HT is determined by strict alignment of the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Circuit configuration: SPST (single pole, single throw)
• Number of positions: 8
• Current rating: 25mA minimum
• Voltage rating: 24VDC minimum
• Actuator type: Slide (Standard)
• Mounting type: Through Hole
• Pitch: 0.100" (2.54mm)
• Termination style: PC Pin
• Product status: Active

The substitute part JS0108AP4-S meets all primary electrical criteria and mechanical interface requirements. Both components share identical circuit topology, position count, current and voltage ratings, and PCB footprint specifications. Differences in contact material, actuator level, body material, and operating temperature range do not preclude functional substitution within the specified 24VDC, 25mA application envelope.

Parameter Comparison

Engineering Selection Recommendations

Both the NDIR08HT and JS0108AP4-S are Active status components with full ROHS3 compliance and REACH unaffected status, qualifying both for use in regulated electronic assemblies. Selection between these parts should be based on availability and supply chain requirements, as both meet identical electrical specifications and mechanical interface requirements for 24VDC, 25mA DIP switch applications. The NDIR08HT features gold-plated copper alloy contacts with flush/recessed actuator level and PBT glass-filled body material. The JS0108AP4-S features beryllium copper contacts with raised actuator level and polyamide glass-filled body material. Height above board differs by 0.011" (0.29mm), and operating temperature ranges differ (NDIR08HT: -20°C to 85°C; JS0108AP4-S: -25°C to 70°C). These differences do not affect functional compatibility in standard 24VDC switching applications.

Frequently Asked Questions (FAQ)

Q: Can JS0108AP4-S replace NDIR08HT in existing PCB designs? A: Yes. Both components share identical pitch (0.100"), termination style (PC Pin), and through-hole mounting interface. PCB footprints are compatible. Height above board differs by 0.011", which does not affect electrical function in standard applications.

Q: Are there differences in contact reliability between these parts? A: Both components specify 2,000 mechanical and electrical cycles. Contact material differs (NDIR08HT uses copper alloy; JS0108AP4-S uses beryllium copper), but both are rated for identical 25mA at 24VDC. Contact finish is gold on both parts.

Q: What is the impact of the operating temperature range difference? A: NDIR08HT operates from -20°C to 85°C; JS0108AP4-S operates from -25°C to 70°C. Selection depends on application temperature requirements. For applications within the -20°C to 70°C overlap range, both parts are functionally equivalent.

Q: Does actuator level (flush vs. raised) affect PCB assembly? A: Actuator level affects user interface ergonomics and may impact enclosure design clearance. NDIR08HT has flush/recessed actuator (0.173" height); JS0108AP4-S has raised actuator (0.162" height). Verify mechanical clearance in target application.

Q: Are both parts washable? A: NDIR08HT is washable; JS0108AP4-S is not washable. For applications requiring post-assembly cleaning, NDIR08HT is the specified choice.

Q: What is the packaging format for both parts? A: Both components are supplied in Tube packaging, standard for DIP switch distribution.