206837-1 vs 211769-1
| Part Number |
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| Category | Circular Connectors - Housings | Circular Connectors - Housings |
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Description | CONN PLG HSG FMALE 24POS INLINE | CONN RCPT HSNG FMALE 9POS PNL MT |
| Package | - | - |
| Series | CPC Series 1 | CPC Series 1 |
| Type | For Female Sockets | For Female Sockets |
| Features | Coupling Nut | - |
| Mounting Type | Free Hanging (In-Line) | Panel Mount |
| Orientation | A | A |
| Number of Positions | 24 | 9 |
| Connector Type | Plug Housing | Receptacle Housing |
| Shielding | Unshielded | Unshielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 23-24 | 17-9 |
| Fastening Type | Threaded | Threaded |
| Contact Size | 16 | 16 |
| Shell Material | Polyamide (PA66), Nylon 6/6, Glass Filled | Thermoplastic |
| Housing Color | Black | Black |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Mounting Feature | - | Flange |
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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. Does the circular connector housing support waterproof function?
Yes, many circular connector housings have waterproof features, especially IP67 or IP68 rated housings, suitable for use in humid or outdoor environments.
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3. What are the advantages of circular connector housings in outdoor applications?
The shell provides protection level, weather resistance, and corrosion resistance, ensuring that the connector operates stably for a long time in humid, extreme temperature, and outdoor environments.
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4. What are the advantages of plastic shells compared to metal shells?
The plastic casing is lightweight, cost-effective, corrosion-resistant, and suitable for low-power applications and indoor environments. The metal casing provides better strength, impact resistance, and shielding performance.

