ACT20JC08JN Equivalent & Substitute Parts

Part Overview

The ACT20JC08JN is an 8-position circular connector receptacle manufactured by TE Connectivity Deutsch Connectors, conforming to MIL-DTL-38999 Series III specifications. This component features female sockets with crimp termination, panel mount flange configuration, and shielded design rated for 600VAC and 850VDC operation across -65°C to 175°C temperature range. The part is classified as obsolete, necessitating identification of active equivalent components to maintain system compatibility and ensure continued supply chain availability for applications in aviation, communication systems, and industrial environments.

Substiute Parts

ACT20JC08JN [V001]
TE Connectivity Deutsch ConnectorsIn Stock: 819ACT20JC08JN [V001] Datasheet
ACT20JC08JN [V001]
Current Part
D38999/20WC8SN
Amphenol Aerospace OperationsIn Stock: 1119D38999/20WC8SN Datasheet
D38999/20WC8SN
Similar

Key Parameters

Parameter Value
Connector Type Receptacle, Female Sockets
Number of Positions 8
Shell Size - Insert 13-8
Shell Size, MIL C
Mounting Type Panel Mount
Mounting Feature Flange
Termination Crimp
Fastening Type Threaded
Orientation N (Normal)
Shielding Shielded
Voltage Rating 600VAC, 850VDC
Operating Temperature -65°C ~ 175°C
Contact Finish - Mating Gold
Contact Material Copper Alloy
Contact Finish Thickness - Mating 50.0µin (1.27µm)
Shell Finish Olive Drab Cadmium
Ingress Protection Environment Resistant
Series MIL-DTL-38999 Series III

Substitute Part Grouping Explanation

Substitution of the ACT20JC08JN is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part D38999/20WC8SN maintains identical specifications for connector type, position count, shell size designation, mounting configuration, termination method, fastening approach, orientation, shielding architecture, operating temperature range, contact materials, and contact finish specifications. Both components conform to MIL-DTL-38999 Series III military circular connector standards and are designed for identical application environments.

The substitution is valid based on the following key parameters:

  • 8-position female socket receptacle configuration
  • Shell size 13-8 (MIL size C)
  • Panel mount flange with threaded fastening
  • Crimp termination for wire attachment
  • Shielded design for electromagnetic interference protection
  • Gold-plated copper alloy contacts with 50.0µin finish thickness
  • Operating temperature range -65°C to 175°C
  • Olive Drab Cadmium shell finish
  • Environment resistant ingress protection

Parameter Comparison

Parameter ACT20JC08JN (TE Connectivity) D38999/20WC8SN (Amphenol Aerospace)
Connector Type Receptacle, Female Sockets Receptacle, Female Sockets
Number of Positions 8 8
Shell Size - Insert 13-8 13-8
Shell Size, MIL C C
Mounting Type Panel Mount Panel Mount
Mounting Feature Flange Flange
Termination Crimp Crimp
Fastening Type Threaded Threaded
Orientation N (Normal) N (Normal)
Shielding Shielded Shielded
Operating Temperature -65°C ~ 175°C -65°C ~ 175°C
Contact Finish - Mating Gold Gold
Contact Material Copper Alloy Copper Alloy
Contact Finish Thickness - Mating 50.0µin (1.27µm) 50.0µin (1.27µm)
Shell Finish Olive Drab Cadmium Olive Drab Cadmium
Ingress Protection Environment Resistant Environment Resistant
Series MIL-DTL-38999 Series III, ACT MIL-DTL-38999 Series III, Tri-Start™ TV
Product Status Obsolete Active
Shell Material Composite Aluminum
Primary Material Composite Metal
RoHS Status RoHS non-compliant RoHS non-compliant
REACH Status REACH Affected REACH Affected
ECCN EAR99 EAR99
HTSUS 8536.69.4020 8536.69.4020

Engineering Selection Recommendations

The D38999/20WC8SN manufactured by Amphenol Aerospace Operations is the direct equivalent substitute for the obsolete ACT20JC08JN. Selection of the substitute part is supported by the following factors:

Product Status: The ACT20JC08JN is classified as obsolete, while the D38999/20WC8SN maintains active product status, ensuring continued availability and manufacturing support.

Regulatory Compliance: Both components share identical RoHS non-compliant and REACH Affected designations, maintaining consistent regulatory posture. Both are classified under ECCN EAR99 and HTSUS code 8536.69.4020.

Military Specification Conformance: Both components conform to MIL-DTL-38999 Series III military circular connector standards, ensuring compatibility with defense and aerospace applications.

Electrical and Mechanical Equivalence: The substitute part maintains identical electrical ratings, mechanical dimensions, termination methods, and environmental protection specifications across all critical parameters.

Material Consideration: The substitute part utilizes aluminum shell material compared to the composite shell of the original part. This material difference does not affect electrical or mechanical compatibility and represents a design enhancement in the active product line.

Frequently Asked Questions (FAQ)

Q: Can the D38999/20WC8SN directly replace the ACT20JC08JN in existing assemblies?

A: Yes. The D38999/20WC8SN is electrically and mechanically equivalent to the ACT20JC08JN across all critical parameters including connector type, position count, shell size, mounting configuration, termination method, and operating specifications. Direct substitution is supported without design modification.

Q: What is the primary reason for substitution?

A: The ACT20JC08JN is classified as obsolete. The D38999/20WC8SN is an active product offering identical functionality and specifications, ensuring continued supply chain availability.

Q: Are there differences in shell material between these parts?

A: Yes. The ACT20JC08JN features a composite shell, while the D38999/20WC8SN features an aluminum shell. Both materials satisfy the same environmental resistance and ingress protection requirements. The aluminum construction in the substitute part represents a design enhancement in the active product line.

Q: Do both parts meet the same military specifications?

A: Yes. Both components conform to MIL-DTL-38999 Series III military circular connector standards. The substitute part is designated as Tri-Start™ TV series within this specification family.

Q: Are the voltage and temperature ratings identical?

A: The ACT20JC08JN is rated for 600VAC and 850VDC with -65°C to 175°C operating temperature. The D38999/20WC8SN maintains the same -65°C to 175°C operating temperature range. Voltage rating data for the substitute part was not provided in the specification documentation.

Q: What is the contact finish specification for both parts?

A: Both components feature gold-plated copper alloy contacts with 50.0µin (1.27µm) finish thickness at the mating surface, ensuring consistent electrical performance and corrosion resistance.

Q: Are there packaging differences?

A: The ACT20JC08JN packaging specification was not provided. The D38999/20WC8SN is supplied in bag packaging. Confirm packaging requirements with your procurement specification.

Q: Do both parts have the same regulatory compliance status?

A: Yes. Both components are RoHS non-compliant and REACH Affected, maintaining identical regulatory classification. Both are designated ECCN EAR99 and HTSUS 8536.69.4020.

Q: What applications are supported by the substitute part?

A: The D38999/20WC8SN is specified for aerospace, aviation, marine, and military applications, encompassing the aviation, communication systems, and industrial applications of the original part.

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