MIL-DTL-38999 Series III Connector D38999/20WJ19PN - M28×1-6g Thread, 40A Current Rating
Price:
10$-150$
MOQ:
100pcs
Delivery Time:
2-9weeks
Brand:
HIGH WOOD
Product Description
MIL-DTL-38999 Series I, II, and III Connectors - D38999/20WJ19PN
Product Overview
This MIL-DTL-38999 Series III compliant round connector features triple-start threaded quick connection with anti-loose mechanism, designed for demanding industrial and military applications.
Key Features
- Compact design with small size and light weight
- High-density contact configuration
- EMI/RFI shielding for electromagnetic protection
- Removable crimp contacts for easy maintenance
- Anti-oblique mating capability
- Fireproof shell construction
- Multiple coating options available
- High-strength vibration performance under extreme temperatures
- Suitable for harsh sandstorm and damp environments
Ordering Information - D38999/20WJ19PN
| Component | Code | Description |
|---|---|---|
| Basic Series | D38999/ | MIL-DTL-38999 Standard |
| Connector Type | 20 | Square flange receptacle |
| Finish | W | Olive green cadmium plating |
| Shell Size | 19 | Size F (M28×1-6g thread) |
| Contact Layout | P | Crimp pin contacts |
| Orientation | N | Normal orientation |
Product Images
Shell Dimensions (Size 19 - F)
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| A (max) | 20.90 mm | D Thread | M28×1-6g |
| B (max) | 10.60 mm | E | 36.50 mm |
| C (max) | 2.50 mm | F | 29.36 mm |
| d1 (min) | 32.94 mm | G | 26.97 mm |
| d2 (min) | 28.98 mm | H | 3.25 mm |
| J | 4.93 mm |
Electrical Specifications
Contact Resistance & Current Rating
| Contact ID | Diameter | Resistance | Current Rating |
|---|---|---|---|
| 22D# | Φ 0.76 mm | ≤ 12.0 mΩ | 5.0 A |
| 20# | Φ 1.00 mm | ≤ 5.0 mΩ | 7.5 A |
| 16# | Φ 1.60 mm | ≤ 2.5 mΩ | 13.0 A |
| 12# | Φ 2.40 mm | ≤ 1.5 mΩ | 23.0 A |
| 10# | Φ 3.15 mm | ≤ 1.0 mΩ | 40.0 A |
EMI Shielding Performance
At 1GHz: minimum attenuation 85dB (F and W finishes)
At 10GHz: minimum attenuation 65dB (F finish), 50dB (W finish)
Withstanding Voltage
| Service Rating | Sea Level | 21,000m Altitude |
|---|---|---|
| M | 1300 V | 800 V |
| I | 1800 V | 1000 V |
| II | 2300 V | 1000 V |
| N | 1000 V | 600 V |
Insulation & Continuity
Insulation resistance: Normal ≥ 5000 MΩ, damp heat ≥ 100 MΩ
Electrical continuity between shells: W class ≤ 2.5 mΩ, F class ≤ 1.0 mΩ, K class ≤ 5.0 mΩ
Mechanical Specifications
Construction Materials
Shell: Aluminum alloy, stainless steel, or copper-alloy
Insulator: Thermo-set plastic
Grommet and seal: Silicon rubber
Contact: Copper alloy with gold plating
Performance Ratings
- Endurance: 500 mating cycles
- Vibration: Sine 60g with temperature cycling (36 hours)
- Random vibration: 44.1 grms (high temp), 49.5 grms (ambient temp)
- Shock resistance: 300g peak acceleration at 3 ms half sinusoid
- Contact retention: 45N to 111N depending on contact size
Technical Diagrams
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
High Wood Technology Development Co., Ltd
Location
No.5001,Dongji Building B, No.1 Dongji Avenue, Jiangning, Nanjing, China
Contact Person
Mike Huang