DP05T DIP Switch Piano Actuator Equivalent & Substitute Parts

Part Overview

The DP05T is a 5-position DIP switch manufactured by APEM Inc., featuring a piano actuator with SPST circuit configuration rated for 50mA at 24VDC. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations. The DP05T serves applications requiring compact, through-hole mounted switching with sealed terminals and washable construction.

Substiute Parts

DP05T

APEM Inc.In Stock: 671DP05T Datasheet

Current PartRFQ

NDP-05T-V

APEM Inc.In Stock: 1034NDP-05T-V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DP05T is determined by the following critical parameters:

• Circuit Configuration: SPST (Single Pole Single Throw) — substitute must maintain identical switching topology
• Number of Positions: 5-position configuration — substitute must provide equivalent position count
• Voltage Rating: 24VDC — substitute must support this voltage specification
• Actuator Type: Piano actuator with flush/recessed level — substitute must match mechanical actuation method
• Mounting Type: Through hole, right angle orientation — substitute must maintain identical PCB interface
• Pitch: 0.100" (2.54mm) full pitch — substitute must preserve spacing for PCB layout compatibility
• Height Above Board: 0.402" (10.20mm) — substitute must fit within equivalent spatial envelope
• Contact Finish: Gold — substitute must maintain contact material specification for reliability

The NDP-05T-V qualifies as a functional substitute based on matching all critical parameters. The reduced current rating (25mA versus 50mA) represents a design constraint that limits application scope but does not prevent substitution in circuits operating within the lower current envelope.

Parameter Comparison

Engineering Selection Recommendations

The NDP-05T-V is an active production substitute for the obsolete DP05T. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new designs and legacy system support.

Selection between these parts depends on circuit current requirements:

• DP05T (50mA rating): Use for applications requiring the full 50mA current capacity. Availability is limited to existing inventory (657 pcs).
• NDP-05T-V (25mA rating): Use for applications operating at 25mA or below. This part is in active production with higher inventory availability (964 pcs), providing superior long-term supply chain stability.

Both components are electrically and mechanically interchangeable within their respective current ratings. PCB layout compatibility is maintained due to identical pitch, height, and mounting orientation specifications.

Frequently Asked Questions (FAQ)

Q: Can the NDP-05T-V directly replace the DP05T in existing designs?

A: Yes, provided the circuit operates at 25mA or below. The NDP-05T-V maintains identical mechanical footprint, electrical interface, and operating characteristics within its current rating. No PCB modifications are required.

Q: What is the primary difference between these two parts?

A: The current rating differs: DP05T is rated for 50mA, while NDP-05T-V is rated for 25mA. All other electrical and mechanical parameters are equivalent.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity ratings. Regulatory status is identical.

Q: Why is the DP05T obsolete?

A: The DP05T has been discontinued by APEM Inc. The NDP series represents the current production line for equivalent 5-position piano actuator DIP switches.

Q: Will the NDP-05T-V fit the same PCB footprint?

A: Yes. Both components share identical pitch (0.100" / 2.54mm), height above board (0.402" / 10.20mm), and through-hole right-angle mounting configuration. No layout changes are necessary.

Q: What is the mechanical life difference?

A: The DP05T specifies 5,000 mechanical cycles. The NDP-05T-V does not provide a mechanical life specification in the available data. Both specify 2,000 electrical cycles.

Q: Are both parts washable?

A: Yes. Both the DP05T and NDP-05T-V are washable components, suitable for post-assembly cleaning processes.