FRCIR030-32A-3P-F80-VO vs D38999/20MD19SB-LC
| Part Number |
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| Category | Circular Connectors - Housings | Circular Connectors - Housings |
| Manufacturer | ITT Cannon, LLC | Amphenol Aerospace Operations |
| Description | CONN RCPT HSNG MALE 3POS PNL MT | CONN RCPT HSG FMALE 19POS PNL MT |
| Package | - | - |
| Series | MIL-DTL-5015, CIR | Military, MIL-DTL-38999 Series III, Tri-Start? TV |
| Type | For Male Pins | For Female Sockets |
| Mounting Type | Panel Mount | Panel Mount |
| Orientation | N (Normal) | B |
| Number of Positions | 3 | 19 |
| Mounting Feature | Flange | Flange |
| Connector Type | Receptacle Housing | Receptacle Housing |
| Shielding | Unshielded | Shielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 32-A3 | 15-19 |
| Fastening Type | Bayonet Lock | Threaded |
| Contact Size | 4 | 20 |
| Shell Material | Aluminum Alloy | Composite |
| Housing Color | Olive Drab | Silver |
| Material Flammability Rating | Flame Retardant | - |
| Shell Finish | Chromate over Cadmium | Electroless Nickel |
| Ingress Protection | - | Environment Resistant |
| Shell Size, MIL | - | D |
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1. What is the protection level of the circular connector housing?
The protection level is usually represented by an IP code, such as IP67. This level indicates the protective ability of the shell against solids (such as dust) and liquids (such as water). High IP rating is suitable for outdoor and harsh environments.
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2. What are the installation methods for circular connector housings?
Common installation methods include panel installation, PCB installation, or free hanging. Choosing the appropriate installation method for the casing should consider the overall design requirements of the system.
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3. What are the standard dimensions for circular connector housings?
The size of the casing usually depends on the type of connector and the application environment, with multiple diameters, lengths, and shapes to choose from. Typical sizes include M12, M16, M23, and so on.
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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.

