GTCL030-14S-2SY-LC vs D38999/20FD18SDL
| Part Number |
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| Category | Circular Connectors - Housings | Circular Connectors - Housings |
| Manufacturer | Amphenol Industrial Operations | Souriau-Sunbank by Eaton |
| Description | CONN RCPT HSNG FMALE 4POS PNL MT | CONN RCPT HSG FMALE 18POS PNL MT |
| Package | - | - |
| Series | GT, MIL-5015 Derivative | Military, MIL-DTL-38999 Series III |
| Type | For Female Sockets | For Female Sockets |
| Mounting Type | Panel Mount | Panel Mount |
| Orientation | Y | D |
| Number of Positions | 4 | 18 |
| Mounting Feature | Flange | Flange |
| Connector Type | Receptacle Housing | Receptacle Housing |
| Shielding | Unshielded | Unshielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 14S-2 | 15-18 |
| Fastening Type | Reverse Bayonet Lock | Threaded |
| Contact Size | 16S | 20 |
| Shell Material | Aluminum Alloy | Aluminum |
| Housing Color | Olive Drab | Silver |
| Material Flammability Rating | Flame Retardant | - |
| Shell Finish | Chromate over Cadmium | Nickel |
| Ingress Protection | - | Environment Resistant |
| Shell Size, MIL | - | D |
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1. 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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2. How to ensure compatibility between the casing and internal connectors?
When selecting a casing, it is necessary to confirm its size, thread specifications, installation method, and compatibility with internal connectors to ensure that the casing can be fully adapted.
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3. 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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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.

