D38999/20FD18SD-LC vs DTS26F17-6PC-LC
| Part Number |
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| Category | Circular Connectors - Housings | Circular Connectors - Housings |
| Manufacturer | Amphenol Aerospace Operations | TE Connectivity Deutsch Connectors |
| Description | CONN RCPT HSG FMALE 18POS PNL MT | CONN PLUG HSNG MALE 6POS INLINE |
| Package | - | - |
| Series | Military, MIL-DTL-38999 Series III, Tri-Start? TV | MIL-DTL-38999 Series III, DTS |
| Type | For Female Sockets | For Male Pins |
| Mounting Type | Panel Mount | Free Hanging (In-Line) |
| Ingress Protection | Environment Resistant | Environment Resistant |
| Orientation | D | C |
| Number of Positions | 18 | 6 |
| Mounting Feature | Flange | - |
| Connector Type | Receptacle Housing | Plug Housing |
| Shielding | Shielded | Shielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 15-18 | 17-6 |
| Fastening Type | Threaded | Threaded |
| Shell Size, MIL | D | - |
| Contact Size | 20 | 12 |
| Shell Material | Aluminum | Aluminum Alloy |
| Housing Color | Silver | Silver |
| Shell Finish | Electroless Nickel | Electroless Nickel |
| Features | - | Coupling Nut |
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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. How to maintain the circular connector housing?
Regularly inspect the surface of the casing for wear or corrosion, ensuring that the seals are intact and kept clean. If necessary, aging or damaged casings and seals should be replaced in a timely manner.
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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.
