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Mil DTL 38999 Series IV Connectors
Key Features
- Quick-disconnect breech-lock coupling provides fast, secure mating in high-vibration environments
- Integrated 360° EMI/RFI grounding fingers help maintain shielding continuity and reduce interference
- Environmental sealing supports reliable operation in moisture, dust, and harsh conditions
- Hermetic configurations available for sealed and low-leakage applications
- Available in shell sizes 11 through 25 for compact and larger system layouts
- MIL-STD-1560 contact arrangements support flexible signal and power integration
- Multiple connector styles available, including plugs and various receptacle configurations
- Mixed signal and power contact configurations available for hybrid applications
- Connector design helps reduce contact damage during mating and unmating
- Designed for aerospace, defense, avionics, and rugged industrial applications
Mil-DTL 38999 II Connectors
Key Features
- Compact low-profile shell design helps reduce installation space in aerospace and defense systems
- Reliable 3-point bayonet coupling enables fast and secure mating in high-vibration environments
- High-density insert arrangements support up to 128 contacts for space-constrained applications
- Designed for dependable electrical and mechanical performance in harsh operating conditions
- Available in multiple shell materials and plating options for corrosion resistance and environmental durability
- Operating temperature range from −65°C to +175°C for demanding aerospace and military applications
- Environmental sealing helps protect against moisture, fluids, dust, and other contaminants
- Compatible with standard MIL-DTL-38999 Series II configurations including MS27472 and MS27497 styles
- Gold-plated copper alloy contacts provide stable conductivity and reliable long-term mating performance
- Supports signal, power, coaxial, twinax, and PCB tail contact configurations for flexible system integration
MIL-DTL-38999 Series I Connectors
Key Features
- 3-point bayonet coupling with fast 1/3-turn mating
- 100% scoop-proof shell design for improved contact protection
- Shell sizes 9, 11, 13, 15, 17, 19, 21, 23, and 25
- High-density arrangements up to 128 contacts
- 5 key/keyway polarization with 4 alternate keyings
- Hermetic, filter, and thermocouple options available in the broader Series I family
- Contact sizes including 12, 16, 20, and 22D, plus supported coax and twinax options
- Removable crimp, PCB, wire-wrap, twinax, and coax contact options in supported configurations
- Corrosion-resistant finish options with 500-hour salt spray resistance on applicable configurations
D38999 Power Connectors
Key Features
- Carries continuous, uninterrupted operational currents from 23A up to 80A per single contact
- Precision-machined inserts accept large-diameter conductors ranging from 8 AWG to 0 AWG power cables
- Seamlessly mixes size 8 or size 4 power contacts with size 22D signal lines
- Heavy gold-plated copper contacts minimize electrical resistance and completely prevent galvanic corrosion
- Rated for reliable dielectric performance up to 1800 VAC / 2500 VDC at sea level
- Triple-start threaded coupling guarantees absolute mating security under continuous 30G random vibration
- Premium fluorosilicone insulators maintain structural and insulating integrity from -65°C to +200°C
- High-pressure interfacial seals block ingress of water, fuels, and harsh aircraft fluids
- Conductive finishes ensure resistance under 2.5 milliohms for exceptional EMI shielding paths
- Compatible with rugged backshells designed to clamp and support thick, heavily shielded cables
D38999 PCB Mount Connectors
Key Features
- Offers straight and right-angle tails from 3.0mm to 8.5mm to fit various housing thicknesses
- Available in 0.6mm (Size 22D) and 1.0mm (Size 20) diameters for perfect through-hole compatibility
- Features integral rear stand-offs for effortless flux clearance, post-solder cleaning, and conformal coating inspection
- Guarantees tail coplanarity within 0.1mm, optimizing automated wave and reflow soldering processes
- Accommodates up to 128 signal channels within a single size 25 shell footprint
- Spans standard MIL-DTL-38999 Series III sizes 9 through 25 to match any chassis
- Options include Tin-Lead (SnPb) for defense or RoHS gold/tin finishes for commercial aerospace
- Grounding fingers guarantee absolute shell-to-board shield continuity under 500V isolation testing
- Available with integrated rear clinch nuts or helicoils, eliminating loose mounting hardware
- High-performance LCP/PPS insulators easily survive harsh lead-free reflow cycles up to +260°C
D38999 Filter Connectors
Key Features
- Delivers versatile capacitance from 100 pF to 1 µF per pin to target precise noise frequencies
- Provides exceptional signal filtering with up to 60 dB attenuation from 100 MHz to 10 GHz
- Rated for continuous, reliable operational loads up to 500 VDC or 240 VAC
- Withstands severe transient voltage spikes and EMP surges up to 1500V without dielectric breakdown
- Multi-layer ceramic planar arrays ensure uniform capacitance and eliminate cross-talk across channels
- Stress-isolated internal matrices protect fragile ceramic elements from cracking during 1000G ballistic shocks
- Available in C, Pi, L, or T-filter topologies to match exact system impedance requirements
- Fully compliant with MIL-DTL-38999 Series III dimensions for 100% cross-brand mating compatibility
- Guarantees a minimum insulation resistance of 5,000 Megohms at 500 VDC to eliminate leakage
- Optional configurations deliver helium leak rates below 1x10^-7 cc/sec for high-altitude vacuum protection