D38999/26KA98PB-LC vs BACC63BV14F3S8H
| Part Number |
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| Category | Circular Connectors - Housings | Circular Connectors - Housings |
| Manufacturer | Amphenol Aerospace Operations | Cinch Connectivity Solutions |
| Description | CONN PLUG HSNG MALE 3POS INLINE | CONN RCPT HSNG FMALE 3POS PNL MT |
| Package | - | - |
| Series | Military, MIL-DTL-38999 Series III, Tri-Start? TV | MIL-DTL-26500, BACC63 |
| Type | For Male Pins | For Female Sockets |
| Features | Coupling Nut, Firewall Usage, Self Locking | - |
| Mounting Type | Free Hanging (In-Line) | Panel Mount |
| Ingress Protection | Environment Resistant | Environment Sealed |
| Orientation | B | 8 |
| Number of Positions | 3 | 3 (1 + 2 Power) |
| Connector Type | Plug Housing | Receptacle Housing |
| Shielding | Shielded | Shielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 9-98 | 14-3 |
| Fastening Type | Threaded | Threaded |
| Shell Size, MIL | A | - |
| Contact Size | 20 | 2 (1), 16 Power (2) |
| Shell Material | Stainless Steel | Aluminum |
| Housing Color | Silver | Silver |
| Shell Finish | Passivated | Cadmium |
| Mounting Feature | - | Flange |
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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. 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. Which applications require high shielding performance enclosures?
High shielding performance enclosures are mainly used for applications that prevent electromagnetic interference, such as communication equipment, radar systems, industrial control systems, and medical equipment.

