D38999/20FH21AB vs D38999/20MD19JB-LC
| Part Number |
|
|
| Category | Circular Connectors - Housings | Circular Connectors - Housings |
| Manufacturer | TE Connectivity Deutsch Connectors | Amphenol Aerospace Operations |
| Description | CONN RCPT HSNG MALE 21POS PNL MT | CONN RCPT HSG FMALE 19POS PNL MT |
| Package | - | - |
| Series | Military, MIL-DTL-38999 Series III, DTS | Military, MIL-DTL-38999 Series III, Tri-Start? TV |
| Type | For Male Pins | For Female Sockets |
| Mounting Type | Panel Mount | Panel Mount |
| Ingress Protection | Environment Resistant | Environment Resistant |
| Orientation | B | B |
| Number of Positions | 21 | 19 |
| Mounting Feature | Flange | Flange |
| Connector Type | Receptacle Housing | Receptacle Housing |
| Shielding | Shielded | Shielded |
| Contact Type | Crimp | Crimp |
| Shell Size - Insert | 23-21 | 15-19 |
| Fastening Type | Threaded | Threaded |
| Shell Size, MIL | H | D |
| Contact Size | 16 | 20 |
| Shell Material | Aluminum Alloy | Composite |
| Housing Color | Silver | Silver |
| Shell Finish | Electroless Nickel | Electroless Nickel |
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1. What is the main function of the circular connector housing?
The shell mainly plays a protective and fixing role, protecting the connector from external environmental influences such as moisture, dust, and impact, and ensuring a secure connection of the cable to prevent cable loosening.
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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. 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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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.
