DA07 DIP Switch SPST 7 Position Equivalent & Substitute Parts

Part Overview

The DA07 is a slide-actuated DIP switch manufactured by APEM Inc., configured as a single-pole single-throw (SPST) switch with 7 positions. It is rated for 50mA at 24VDC and features through-hole, right-angle mounting with gold-plated phosphor bronze contacts. The DA07 is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

DA07
APEM Inc.In Stock: 1108DA07 Datasheet
DA07
Current Part
NDA-07-V
APEM Inc.In Stock: 1127NDA-07-V Datasheet
NDA-07-V
Similar

Key Parameters

Parameter Value
Manufacturer APEM Inc.
Series DA
Circuit Configuration SPST
Number of Positions 7
Current Rating 50mA
Voltage Rating 24VDC
Actuator Type Slide (Standard)
Mounting Type Through Hole, Right Angle
Pitch 0.100" (2.54mm)
Contact Finish Gold
Height Above Board 0.390" (9.90mm)
Operating Temperature Range -20°C to 70°C
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the obsolete DA07 is determined by the following critical parameters:

  • Circuit Configuration: SPST topology must be maintained
  • Number of Positions: 7-position requirement must be preserved
  • Voltage Rating: 24VDC operation is mandatory
  • Mounting Type: Through-hole, right-angle configuration required
  • Pitch: 0.100" (2.54mm) full pitch for PCB compatibility
  • Contact Finish: Gold plating for reliability and corrosion resistance
  • Actuator Type: Slide (standard) actuator mechanism
  • Height Above Board: 0.390" (9.90mm) clearance specification

The NDA-07-V from APEM Inc. meets all critical substitution criteria. The primary difference is a reduced current rating of 25mA versus the original 50mA, which represents a derating that maintains compatibility with lower-power applications while preserving all mechanical and electrical interface specifications.

Parameter Comparison

Parameter DA07 (Original) NDA-07-V (Substitute)
Manufacturer APEM Inc. APEM Inc.
Product Status Obsolete Active
Circuit Configuration SPST SPST
Number of Positions 7 7
Current Rating 50mA 25mA
Voltage Rating 24VDC 24VDC
Actuator Type Slide (Standard) Slide (Standard)
Actuator Level Raised Raised
Contact Finish Gold Gold
Height Above Board 0.390" (9.90mm) 0.390" (9.90mm)
Mounting Type Through Hole, Right Angle Through Hole, Right Angle
Termination Style PC Pin PC Pin
Pitch 0.100" (2.54mm), Full 0.100" (2.54mm), Full
Operating Temperature -20°C to 70°C -20°C to 70°C
Electrical Life 2,000 Cycles 2,000 Cycles
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The NDA-07-V is the active production equivalent for the obsolete DA07. Both parts are manufactured by APEM Inc. and maintain identical mechanical interfaces, electrical topology, and compliance certifications (ROHS3, REACH Unaffected, MSL 1).

Selection of the NDA-07-V is appropriate for applications where the circuit current requirement does not exceed 25mA. For applications requiring the full 50mA current capacity of the original DA07, alternative APEM DIP switch series with higher current ratings must be evaluated.

Both parts are MSL 1 (unlimited moisture sensitivity level), eliminating moisture-related storage and handling constraints. The active status of the NDA-07-V ensures long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the NDA-07-V directly replace the DA07 in all applications?

A: The NDA-07-V is mechanically and electrically compatible with the DA07 for applications operating at 25mA or below. Applications requiring the full 50mA current rating of the original DA07 require evaluation of alternative switch series.

Q: Are the PCB footprints identical between DA07 and NDA-07-V?

A: Yes. Both parts share identical pitch (0.100" / 2.54mm), height above board (0.390" / 9.90mm), mounting type (through-hole, right-angle), and termination style (PC pin), ensuring direct PCB compatibility.

Q: What is the significance of the product status change from Obsolete to Active?

A: The NDA-07-V is in active production, ensuring availability for new designs and ongoing support. The DA07 is obsolete and no longer manufactured, making the NDA-07-V the recommended path for component sourcing.

Q: Are there compliance or certification differences between the two parts?

A: Both parts are ROHS3 compliant, REACH unaffected, and classified as MSL 1 (unlimited). Compliance profiles are equivalent.

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

A: The current rating differs: DA07 is rated for 50mA, while NDA-07-V is rated for 25mA. All other electrical parameters, including voltage rating (24VDC), circuit configuration (SPST), and electrical life (2,000 cycles), are identical.

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