D38999/24WH21BA vs D38999/26MH55JA-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 21POS PNL MT | CONN PLUG HSG FMALE 55POS INLINE |
| Package | - | - |
| Series | Military, MIL-DTL-38999 Series III, Tri-Start? TV | Military, MIL-DTL-38999 Series III, ACT |
| Type | For Female Sockets | For Female Sockets |
| Mounting Type | Panel Mount | Free Hanging (In-Line) |
| Ingress Protection | Environment Resistant | Environment Resistant |
| Orientation | A | A |
| Number of Positions | 21 | 55 |
| Mounting Feature | Bulkhead - Front Side Nut | - |
| Connector Type | Receptacle Housing | Plug Housing |
| Shielding | Shielded | Shielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 23-21 | 23-55 |
| Fastening Type | Threaded | Threaded |
| Shell Size, MIL | H | H |
| Contact Size | 16 | 20 |
| Shell Material | Aluminum | Composite |
| Housing Color | Olive Drab | Silver |
| Shell Finish | Cadmium | Electroless Nickel |
| Features | - | Coupling Nut |
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1. What is a circular connector housing?
A circular connector housing is a structural component used to protect internal connectors and cables, typically providing mechanical support and environmental sealing to prevent dust, water, chemicals, or physical damage.
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2. 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 -
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 is the temperature range of the circular connector housing?
The operating temperature range of the casing depends on the material used. Metal casings typically operate within the range of -55 ° C to+125 ° C, while plastic casings may be suitable for lower temperature ranges.
