ACT90MD18PN Equivalent & Substitute Parts

Part Overview

The ACT90MD18PN is an 18-position circular connector receptacle with male pins manufactured by TE Connectivity Deutsch Connectors. This connector is designed for aerospace and military applications, featuring crimp termination, panel mount configuration with flange, and shielded construction. The part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain functional and electrical compatibility for system integration and maintenance applications.

Substiute Parts

ACT90MD18PN

TE Connectivity Deutsch ConnectorsIn Stock: 1232ACT90MD18PN Datasheet

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CTVP00RW-15-18HN

Amphenol Aerospace OperationsIn Stock: 934CTVP00RW-15-18HN Datasheet

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CTVPS00RF-15-18HN

Amphenol Aerospace OperationsIn Stock: 1108CTVPS00RF-15-18HN Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ACT90MD18PN are identified based on strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Connector Type: Receptacle, Male Pins
• Number of Positions: 18
• Shell Size - Insert: 15-18
• Series: MIL-DTL-38999 Series III
• Mounting Type: Panel Mount
• Mounting Feature: Flange
• Termination: Crimp
• Fastening Type: Threaded
• Orientation: N (Normal)
• Shielding: Shielded
• Contact Finish - Mating: Gold
• Primary Material: Composite
• Shell Material: Composite
• Insert Material: Thermoplastic
• Contact Material: Copper Alloy
• Ingress Protection: Environment Resistant

The identified substitutes maintain these core parameters while presenting variations in shell finish, contact finish thickness, operating temperature range, and RoHS compliance status. These variations do not affect mechanical or electrical interchangeability within the specified MIL-DTL-38999 Series III standard.

Parameter Comparison

Engineering Selection Recommendations

CTVPS00RF-15-18HN (Amphenol Aerospace Operations) is the primary substitute for the ACT90MD18PN. This part maintains full mechanical and electrical compatibility across all critical parameters, including the complete operating temperature range of -65°C to 200°C. The CTVPS00RF-15-18HN holds active product status and achieves ROHS3 compliance, providing regulatory advantage for new system designs and long-term supply chain stability. The electroless nickel shell finish and increased contact finish thickness (100.0µin versus 50.0µin) provide enhanced corrosion resistance and contact durability.

CTVP00RW-15-18HN (Amphenol Aerospace Operations) serves as a secondary substitute. This part maintains full mechanical and electrical compatibility but operates within a reduced temperature range (-65°C to 175°C) and does not achieve RoHS compliance. The olive drab cadmium shell finish is suitable for specific military applications requiring this finish specification. This part is appropriate for applications where the full 200°C upper temperature limit is not required and where RoHS compliance is not mandated.

Both substitutes are manufactured by Amphenol Aerospace Operations under the MIL-DTL-38999 Series III standard and maintain active product status, ensuring continued availability and supply chain reliability.

Frequently Asked Questions (FAQ)

Q: Can CTVPS00RF-15-18HN directly replace ACT90MD18PN in existing assemblies?

A: Yes. Both connectors are MIL-DTL-38999 Series III compliant 18-position receptacles with male pins, identical shell size (15-18), panel mount flange configuration, crimp termination, and threaded fastening. Mechanical and electrical interchangeability is maintained across all critical parameters.

Q: What is the significance of the contact finish thickness difference between ACT90MD18PN (50.0µin) and the Amphenol substitutes (100.0µin)?

A: The increased contact finish thickness in CTVPS00RF-15-18HN and CTVP00RW-15-18HN provides enhanced durability and corrosion resistance during mating cycles and environmental exposure. This represents an improvement over the original specification and does not affect interchangeability.

Q: Why does CTVP00RW-15-18HN have a lower maximum operating temperature (175°C versus 200°C)?

A: The CTVP00RW-15-18HN is rated to -65°C to 175°C, which is within the operational envelope of most aerospace and military applications. Selection between this part and CTVPS00RF-15-18HN depends on specific system thermal requirements. For applications requiring the full 200°C capability, CTVPS00RF-15-18HN is the appropriate selection.

Q: What is the difference between the shell finishes: Nickel, Olive Drab Cadmium, and Electroless Nickel?

A: Nickel (ACT90MD18PN) and Electroless Nickel (CTVPS00RF-15-18HN) provide corrosion protection suitable for general aerospace and military environments. Olive Drab Cadmium (CTVP00RW-15-18HN) is a traditional military specification finish. Selection depends on system requirements and environmental exposure specifications. All three finishes are compatible with the MIL-DTL-38999 Series III standard.

Q: Is RoHS compliance a factor in selecting between CTVPS00RF-15-18HN and CTVP00RW-15-18HN?

A: CTVPS00RF-15-18HN achieves ROHS3 compliance, while CTVP00RW-15-18HN does not. For new system designs or applications subject to RoHS regulatory requirements, CTVPS00RF-15-18HN is the appropriate selection. For legacy systems or applications where RoHS compliance is not mandated, either part is acceptable based on other technical requirements.

Q: Are all three connectors shielded?

A: Yes. ACT90MD18PN, CTVP00RW-15-18HN, and CTVPS00RF-15-18HN are all shielded connectors, maintaining electromagnetic interference protection across all substitution options.

Q: What is the current rating for the Amphenol substitutes?

A: The current rating is not specified in the available data for CTVP00RW-15-18HN and CTVPS00RF-15-18HN. The ACT90MD18PN is rated at 7.5A. For applications where current rating is a critical parameter, contact the manufacturer for complete electrical specifications.

Q: Can these connectors be used in marine applications?

A: CTVP00RW-15-18HN and CTVPS00RF-15-18HN are specified for aviation, marine, and military applications. ACT90MD18PN is specified for aerospace and military applications. For marine applications, the Amphenol substitutes are the appropriate selection.