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ACT96ME35PA Equivalent & Substitute Parts
Part Overview
The ACT96ME35PA is a 55-position circular connector plug with male pins manufactured by TE Connectivity Deutsch Connectors. This connector is designed for aerospace and military applications, featuring crimp termination, gold-plated mating contacts, and shielded construction compliant with MIL-DTL-38999 Series III specifications. The part is discontinued at DiGi Electronics, necessitating identification of equivalent substitute components that maintain functional and electrical compatibility for ongoing system support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Plug, Male Pins |
| Number of Positions | 55 |
| Shell Size - Insert | 17-35 |
| Shell Size, MIL | E |
| Termination | Crimp |
| Fastening Type | Threaded |
| Orientation | A |
| Shielding | Shielded |
| Contact Finish - Mating | Gold |
| Contact Finish Thickness - Mating | 50.0µin (1.27µm) |
| Operating Temperature Range | -65°C ~ 200°C |
| Current Rating | 5A |
| Mounting Type | Free Hanging (In-Line) |
| Series Qualification | MIL-DTL-38999 Series III |
Substitute Part Grouping Explanation
Substitution of the ACT96ME35PA is determined by strict adherence to the following critical parameters:
Mandatory Matching Parameters:
- Connector type: Plug with male pins
- Position count: 55 positions
- Shell size specifications: Insert 17-35, MIL size E
- Termination method: Crimp
- Fastening mechanism: Threaded
- Orientation: A
- Shielding: Shielded configuration
- Contact finish: Gold plating at 50.0µin (1.27µm) thickness
- MIL-DTL-38999 Series III qualification
Compatible Substitute: The D38999/26WE35PA manufactured by Amphenol Aerospace Operations satisfies all mandatory matching parameters. This substitute maintains identical mechanical and electrical interface specifications, enabling direct replacement in applications requiring 55-position circular connectors with the specified shell size, crimp termination, and military qualification.
Parameter Comparison
| Parameter | ACT96ME35PA (TE Connectivity) | D38999/26WE35PA (Amphenol) | Compatibility |
|---|---|---|---|
| Connector Type | Plug, Male Pins | Plug, Male Pins | Match |
| Number of Positions | 55 | 55 | Match |
| Shell Size - Insert | 17-35 | 17-35 | Match |
| Shell Size, MIL | E | E | Match |
| Termination | Crimp | Crimp | Match |
| Fastening Type | Threaded | Threaded | Match |
| Orientation | A | A | Match |
| Shielding | Shielded | Shielded | Match |
| Contact Finish - Mating | Gold | Gold | Match |
| Contact Finish Thickness - Mating | 50.0µin (1.27µm) | 50.0µin (1.27µm) | Match |
| Series Qualification | MIL-DTL-38999 Series III, ACT | MIL-DTL-38999 Series III, Tri-Start™ TV | Match |
| Operating Temperature Range | -65°C ~ 200°C | -65°C ~ 175°C | Amphenol rated to 175°C minimum |
| Current Rating | 5A | Not specified | ACT96ME35PA specifies 5A |
| Part Status | Discontinued at DiGi Electronics | Active | Substitute is active |
| RoHS Status | RoHS non-compliant | RoHS non-compliant | Match |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Match |
Engineering Selection Recommendations
The D38999/26WE35PA is the qualified substitute for the discontinued ACT96ME35PA based on the following engineering criteria:
Functional Equivalence: Both connectors meet MIL-DTL-38999 Series III specifications with identical mechanical interfaces, pin configurations, and electrical contact specifications. The 55-position male plug configuration, shell size E, crimp termination, and threaded fastening are identical across both parts.
Compliance Status: Both parts are RoHS non-compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, indicating equivalent environmental handling requirements. The D38999/26WE35PA is currently active in production with Amphenol Aerospace Operations, ensuring ongoing availability for procurement and support.
Operating Conditions: The ACT96ME35PA operates across -65°C to 200°C, while the D38999/26WE35PA operates across -65°C to 175°C. Applications requiring operation above 175°C must retain the original ACT96ME35PA specification. For applications within the -65°C to 175°C range, the substitute provides equivalent thermal performance.
Contact and Shielding Specifications: Gold-plated mating contacts at 50.0µin (1.27µm) thickness are identical on both parts, ensuring equivalent electrical performance and corrosion resistance. Shielded construction is maintained on both connectors for electromagnetic interference protection.
Frequently Asked Questions (FAQ)
Q: Can the D38999/26WE35PA directly replace the ACT96ME35PA in all applications?
A: The D38999/26WE35PA is mechanically and electrically compatible with the ACT96ME35PA for applications operating within -65°C to 175°C. Applications requiring operation above 175°C must use the original ACT96ME35PA specification, as the substitute is rated to 175°C maximum.
Q: What are the key compatibility criteria for this substitution?
A: Compatibility is determined by matching connector type (plug, male pins), position count (55), shell size (17-35 insert, E MIL), termination method (crimp), fastening type (threaded), orientation (A), shielding (shielded), contact finish (gold at 50.0µin), and MIL-DTL-38999 Series III qualification. All these parameters are identical between the two parts.
Q: Are there differences in shell material between these connectors?
A: Yes. The ACT96ME35PA features a composite shell material with nickel finish, while the D38999/26WE35PA features an aluminum shell with olive drab cadmium finish. Both materials provide equivalent shielding and environmental resistance for the specified applications.
Q: What is the current rating for the D38999/26WE35PA?
A: The current rating for the D38999/26WE35PA is not specified in the available technical data. The ACT96ME35PA is rated at 5A. Applications with specific current requirements should verify the D38999/26WE35PA rating with Amphenol Aerospace Operations.
Q: Are both parts compliant with RoHS regulations?
A: No. Both the ACT96ME35PA and D38999/26WE35PA are RoHS non-compliant. Applications requiring RoHS compliance must identify alternative connector solutions.
Q: What is the inventory status of these parts?
A: The ACT96ME35PA is discontinued at DiGi Electronics with 1076 pieces in stock. The D38999/26WE35PA is active with Amphenol Aerospace Operations and has 1013 pieces in stock. The substitute part offers ongoing availability for future procurement.
Q: Do both connectors use the same contact material?
A: Yes. Both the ACT96ME35PA and D38999/26WE35PA use copper alloy contacts with identical gold plating thickness of 50.0µin (1.27µm), ensuring equivalent electrical performance and contact reliability.
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