Products Description
Product Features
Compliant with GJB599B (MIL-DTL-38999M) Series III standards
Three-head threaded quick connection with anti-loosening mechanism
Five-key circumferential identification and positioning for blind mating and error-proof insertion
Outer shell can be made of different materials and coatings to meet various environmental requirements
Equipped with electromagnetic shielding function
Compact size, lightweight, and high contact density
Suitable for use in complex environments with strong vibrations, rain, windblown sand, and moisture
Mechanical Performance
• Mechanical Life:
500 cycles of insertion and extraction
• Shock:
3ms half-sine wave with a peak acceleration of 300g
• Vibration:
Sine: 60g with temperature cycling and simulated accessories (36 hours)
Random (High Temperature): 10Hz to 1000Hz, Power Spectral Density (PSD) of 1g²/Hz, corresponding to an RMS value of 41.7g
Random (Room Temperature): 10Hz to 1000Hz, PSD of 5g²/Hz, corresponding to an RMS value of 49.5g
Environmental Performance
• Temperature Range:
Class K, F: -65°C to +200°C
Class W, MW: -65°C to +175°C
• Sealing:
Mating connectors comply with the low-pressure immersion requirements of MIL-DTL-38999M
• Salt Spray:
Class K: 500 hours
Class F: 48 hours
Class W: 500 hours
Class MW: 192 hours (acidic atmosphere)
• Damp Heat:
As per MIL-DTL-38999M: 24 hours, 10 cycles
• Fluid Resistance:
Resistant to various fuels, coolants, and solvents
Electrical Performance
• Voltage Endurance: V
Operating Conditions | Sea Level | 21,000M Altitude |
M | 1300 | 800 |
N | 1000 | 600 |
I | 1800 | 1000 |
II | 2300 | 1000 |
• Insulation Resistance: ≥5000MΩ (at 500V DC)
• Contact Resistance and Rated Current of Contacts:
Contact Specifications | Working Diameter （mm） | Contact Resistance （mΩ） | Rated Current （A） |
22D | Φ0.76 | ≤12 | 5 |
20# | Φ1.00 | ≤5 | 7.5 |
16# | Φ1.60 | ≤2.5 | 13 |
12# | Φ2.40 | ≤1.5 | 23 |
10# | Φ3.15 | ≤1.0 | 40 |
• Shell Conductivity:
Class K: 10mΩ
Class F: 1mΩ
Class W, MW: 2.5mΩ
• Electromagnetic Interference Shielding:
Minimum attenuation of 85dB at 100MHz to 1GHz (Class F, W, MW)
Minimum attenuation of 65dB at 1GHz to 10GHz (Class F), 50dB (Class W, MW)
8# Dual Coaxial Contact:
Frequency bandwidth: 0 to 20MHz
Rated Voltage: Maximum of 500V AC, 125V AC at 21,000 meters
Voltage Drop: ≤55mV for inner and intermediate contacts at 1A, ≤75mV for outer contact at 12A
Crimp Contacts
Contact Specifications | Needle Diameter mm | Crimp Barrel Inner Diameter mm | Crimp Barrel Outer Diameter mm | Compatible Conductor Cross-Sectional Area mm2 | Compatible AWG Cable Size | Compatible Conductor Outer Diameter mm | Extraction Tool Code |
22D | Φ0.76 | Φ0.85 | Φ1.20 | 0.08 0.125 0.2 0.3 | 28 26 24 22 | 0.76～1.37 | M81969/14-01 |
20# | Φ1.00 | Φ1.17 | Φ1.78 | 0.2 0.3 0.5 | 24 22 20 | 1.02～2.11 | M81969/14-10 |
16# | Φ1.60 | Φ1.68 | Φ2.62 | 0.5 0.8 1.0 1.2 | 20 18 16 | 1.65～2.77 | M81969/14-03 |
12# | Φ2.40 | Φ2.49 | Φ3.84 | 2.0 3.0 | 14 12 | 2.46～3.61 | M81969/14-04 |
10# | Φ3.15 | Φ3.40 | Φ4.65 | 4.8 | 10 | 3.42～4.12 | M81969/14-05 |
8# | Φ3.60 | Φ4.55 | Φ6.4 | 8.37 | 8 | 6.4～6.9 | M81969/14-12 |
Solder Contacts
Solder Contact Specifications | Solder Cup Inner Diameter | Maximum Compatible Wire Gauge AWG |
22D | Φ0.9 | 22 |
20# | Φ1.1 | 20 |
16# | Φ1.9 | 16 |
12# | Φ2.9 | 12 |
10# | Φ3.6 | 10 |
8# | Φ4.8 | 8 |
Contact Arrangement (Taking the Needle Insertion Surface as an Example)
Our factory
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