J599-20WH35SC Circular Military Connector
MIL-DTL-38999 Series III | 100 Contacts | Receptacle Socket | Crimp Termination
Product Overview
The J599-20WH35SC is a high-density circular military connector manufactured in accordance with GJB599B (MIL-DTL-38999 Series III) standards. Designed for harsh military, aerospace, naval, and industrial applications, it provides outstanding environmental sealing, EMI shielding, vibration resistance, and long service life.
Featuring a 100-contact socket insert, cadmium-plated aluminum shell, and removable crimp contacts, this connector ensures reliable electrical performance in the most demanding environments.
Features
- Compliant with GJB599B / MIL-DTL-38999 Series III
- Triple-start threaded quick coupling
- Anti-decoupling locking mechanism
- High-density 100-contact arrangement
- Socket contacts
- Removable crimp contacts
- Excellent EMI/RFI shielding
- High vibration and shock resistance
- Environmental sealing against moisture, dust, and sand
- Supports fiber optic and coaxial contact configurations
- Lightweight aluminum alloy shell
- Long service life
Applications
- Military systems
- Aerospace electronics
- Defense communication equipment
- Radar systems
- Naval electronics
- Ground vehicles
- Avionics
- Industrial control systems
- Railway equipment
- Harsh environment electrical interconnections
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | J599-20WH35SC |
| Standard | GJB599B / MIL-DTL-38999 Series III |
| Contact Arrangement | 100 Contacts |
| Contact Type | Socket |
| Termination | Crimp |
| Shell Finish | W Type Cadmium Plating (Military Green) |
| Coupling | Triple-Start Threaded |
| Shielding | EMI/RFI Shielded |
| Mechanical Life | ≥500 Mating Cycles |
| Insulation Resistance | ≥5000 MΩ (500VDC) |
| Shock Resistance | 300 g / 3 ms |
| Operating Temperature | -65°C to +175°C (W Type) |
| Shell Material | Aluminum Alloy |
| Contact Material | Gold-Plated Copper Alloy |
| Sealing Material | Silicone Rubber |
Electrical Performance
Withstanding Voltage
| Service Rating | Sea Level | 21,000 m |
|---|---|---|
| M | 1300 V | 800 V |
| N | 1000 V | 600 V |
| I | 1800 V | 1000 V |
| II | 2300 V | 1000 V |
Contact Ratings
| Contact Size | Diameter | Contact Resistance | Rated Current |
|---|---|---|---|
| 22D | 0.76 mm | ≤12 mΩ | 5 A |
| 20 | 1.00 mm | ≤5 mΩ | 7.5 A |
| 16 | 1.60 mm | ≤2.5 mΩ | 13 A |
| 12 | 2.40 mm | ≤1.5 mΩ | 23 A |
| 10 | 3.15 mm | ≤1.0 mΩ | 40 A |
Environmental Performance
- Operating Temperature:
- W Type: −65°C to +175°C
- Salt Spray Resistance:
- W Type: 500 Hours
- Moisture Resistance
- Fuel Resistant
- Hydraulic Fluid Resistant
- Coolant Resistant
- Solvent Resistant
- Wind and Sand Resistant
EMI Shielding
- 85 dB minimum attenuation (100 MHz–1 GHz)
- 50 dB minimum attenuation (1–10 GHz, W Type)
Materials
Shell
- Aluminum Alloy
Insulator
- Thermosetting / Thermoplastic
Contacts
- Gold-Plated Copper Alloy
Seal
- Silicone Rubber
Surface Finish
W Type
- Military Green Cadmium Plating
Advantages
- Military-grade reliability
- High contact density
- Superior EMI shielding
- Lightweight yet rugged construction
- Excellent sealing performance
- Easy maintenance with removable contacts
- Suitable for extreme environmental conditions
Model: J599-20WH35SC
Series: J599 (MIL-DTL-38999 Series III)
Contact Count: 100
Contact Type: Socket
Termination: Crimp
Shell Finish: Cadmium Plated (W Type)
Application: Military • Aerospace • Defense • Industrial Electronics
