MIL-DTL-38999 Series III Connector D38999/24FA35SN - 35 Contact, EMI/RFI Shielding, 500 Cycle Endurance
Price:
10$-150$
MOQ:
100pcs
Delivery Time:
2-9weeks
Brand:
HIGH WOOD
Product Description
MIL-DTL-38999 Series I, II, and III Connectors
D38999/24FA35SN Product Overview
This MIL-DTL-38999 Series III compliant round connector features triple-start threaded quick connection with anti-loose mechanism. Engineered for demanding applications, it offers compact size, lightweight design, high-density contacts, EMI/RFI shielding, removable crimp contacts, and anti-oblique mating capabilities.
Key Features
- Fireproof shell construction
- Multiple coating options available
- High-strength vibration performance under elevated temperatures
- Suitable for harsh sandstorm and damp environments
- Shell materials: aluminum alloy, naval brass, stainless steel, or composite
Ordering Information
D38999/ | 20 | W | B | 35 | P | N
Configuration Options
| Component | Options | Description |
|---|---|---|
| Connector Type | 20, 24, 26 | Square flange receptacle, Jam nut receptacle, Shielding plug |
| Finish | W, F, T, K, L, J, M | Various plating and coating options |
| Shell Size | 09-25 | Multiple sizes from 09 (A) to 25 (J) |
| Contact Type | P, S, PL, PC, SL, SC | Crimp pin/socket, PCB pin/socket variants |
Product Images
Shell Dimensions (mm)
| Shell No. | A | B (max) | C (max) | D (max) | E (max) | F | G Thread | d | p |
|---|---|---|---|---|---|---|---|---|---|
| 09 | 16.50 | 9.90 | 3.20 | 30.50 | 24.00 | 27.00 | M12*1-6g | 17.70 | 16.99 |
| 11 | 19.30 | 9.90 | 3.20 | 35.20 | 27.00 | 31.80 | M15*1-6g | 20.88 | 19.53 |
| 13 | 24.00 | 9.90 | 3.20 | 38.40 | 32.00 | 34.90 | M18*1-6g | 25.58 | 24.26 |
| 15 | 27.20 | 9.90 | 3.20 | 41.60 | 36.00 | 38.10 | M22*1-6g | 28.80 | 27.53 |
| 17 | 30.40 | 9.90 | 3.20 | 44.80 | 37.00 | 41.30 | M25*1-6g | 31.98 | 30.68 |
| 19 | 33.40 | 9.90 | 3.20 | 49.30 | 41.00 | 46.00 | M28*1-6g | 35.15 | 33.86 |
| 21 | 36.50 | 9.90 | 3.20 | 52.70 | 46.00 | 49.20 | M31*1-6g | 38.28 | 37.06 |
| 23 | 39.70 | 9.90 | 3.20 | 55.90 | 50.00 | 52.40 | M34*1-6g | 41.50 | 40.24 |
| 25 | 42.80 | 9.90 | 3.20 | 59.00 | 51.23 | 55.60 | M37*1-6g | 44.68 | 43.41 |
Electrical Specifications
Contact Resistance & Current Rating
| Contact ID | Diameter (mm) | Resistance (mΩ) | Current (A) |
|---|---|---|---|
| 22D# | Φ 0.76 | ≤ 12.0 | 5.0 |
| 20# | Φ 1.00 | ≤ 5.0 | 7.5 |
| 16# | Φ 1.60 | ≤ 2.5 | 13.0 |
| 12# | Φ 2.40 | ≤ 1.5 | 23.0 |
| 10# | Φ 3.15 | ≤ 1.0 | 40.0 |
EMI Shielding Performance
- 1GHz: minimum attenuation 85dB (F and W finishes)
- 10GHz: minimum attenuation 65dB (F finish)
- 10GHz: minimum attenuation 50dB (W finish)
Withstanding Voltage (V)
| Service Rating | M | I | II | N |
|---|---|---|---|---|
| Sea Level | 1300 | 1800 | 2300 | 1000 |
| 21000m | 800 | 1000 | 1000 | 600 |
Insulation & Continuity
- Normal insulation resistance: ≥ 5000 MΩ
- Damp heat insulation resistance: ≥ 100 MΩ
- Electrical continuity between shells: W class ≤ 2.5 mΩ, F class ≤ 1.0 mΩ, K class ≤ 5.0 mΩ
Mechanical Specifications
- Shell materials: Aluminum alloy, stainless steel, or copper-alloy
- Plating options: W class (Olive green cadmium), K class (Stainless steel passivated), F class (Electroless nickel)
- Insulator: Thermo-set plastic
- Grommet and seal: Silicon rubber
- Contact: Copper alloy with gold plating
- Endurance: 500 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 3ms half sinusoid
- Contact retention: 22D# (45N), 20# (67N), 16#-10# (111N)
Jam Nut Receptacle (D38999/24)
Contact Layout 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