MS3471W14-4A vs CTVPS00RF-21-39JA-LC
| Part Number |
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| Category | Circular Connectors - Housings | Circular Connectors - Housings |
| Manufacturer | TE Connectivity Deutsch Connectors | Amphenol Aerospace Operations |
| Description | CONN RCPT HSNG MALE 4POS INLINE | CONN RCPT HSG FMALE 39POS PNL MT |
| Package | - | - |
| Series | Military, MIL-DTL-26482 G Series II, AFD | MIL-DTL-38999 Series III, Tri-Start? TV |
| Type | For Male Pins | For Female Sockets |
| Mounting Type | Free Hanging (In-Line) | Panel Mount |
| Ingress Protection | Environment Resistant | Environment Resistant |
| Orientation | N (Normal) | A |
| Number of Positions | 4 | 39 |
| Connector Type | Receptacle Housing | Receptacle Housing |
| Shielding | Unshielded | Shielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 14-4 | 21-39 |
| Fastening Type | Bayonet Lock | Threaded |
| Contact Size | 12 | 16 (2), 20 (37) |
| Shell Material | Aluminum Alloy | Composite |
| Housing Color | Olive Drab | Silver |
| Shell Finish | Chromate over Cadmium | Electroless Nickel |
| Mounting Feature | - | Flange |
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1. How to choose a suitable circular connector housing?
When choosing a casing, the following factors need to be considered:
Application environment (indoor, outdoor or industrial environment)
Protection level
Connector type and specifications
Required shielding performance
Materials and corrosion resistance performance -
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. Does the circular connector housing have shielding function?
Some metal casings provide electromagnetic shielding (EMI/RFI) for high-frequency signal transmission applications to prevent electromagnetic interference.
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4. 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.

