211769-1 vs M39029/32-259
| Part Number |
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| Category | Circular Connectors - Housings | Circular Connectors - Contacts |
| Manufacturer | TE Connectivity AMP Connectors | Amphenol Aerospace Operations |
| Description | CONN RCPT HSNG FMALE 9POS PNL MT | CONTACT SOCKET 20-24AWG CRIMP |
| Package | - | - |
| Series | CPC Series 1 | Military, MIL-C-39029 |
| Type | For Female Sockets | Power, Machined |
| Mounting Type | Panel Mount | - |
| Orientation | A | - |
| Number of Positions | 9 | - |
| Mounting Feature | Flange | - |
| Connector Type | Receptacle Housing | - |
| Shielding | Unshielded | - |
| Contact Type | Crimp | Socket |
| Shell Size - Insert | 17-9 | - |
| Fastening Type | Threaded | - |
| Contact Size | 16 | 20 |
| Shell Material | Thermoplastic | - |
| Housing Color | Black | - |
| Material Flammability Rating | UL94 V-0 | - |
| Features | - | Insulation Support |
| Contact Material | - | Copper Alloy |
| Contact Finish | - | Gold |
| Contact Termination | - | Crimp |
| Contact Finish Thickness | - | 50µin (1.27µm) |
| Wire Gauge or Range - AWG | - | 20-24 AWG |
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1. What are the common materials for circular connector housings?
Common shell materials include metal (such as aluminum, stainless steel) and plastic. Metal casings typically have better shielding and corrosion resistance, while plastic casings are lightweight and suitable for applications that do not require shielding.
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2. How can circular connector housings improve the durability of connectors?
The shell can significantly extend the service life of the connector in harsh environments by providing protective measures such as mechanical strength, dust prevention, and waterproofing.
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3. What are the standard dimensions for circular connector housings?
The size of the casing usually depends on the type of connector and the application environment, with multiple diameters, lengths, and shapes to choose from. Typical sizes include M12, M16, M23, and so on.
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4. How to choose the cable entry for the circular connector housing?
The size of the cable entry for the casing should be selected based on the diameter of the cable used, ensuring that the cable can be tightly clamped after passing through the entry to prevent tension from affecting the internal connection points of the connector.

