The DDC/North Hills RT503000 is a signal terminator designed for MIL-STD-1553 data bus applications. It eliminates signal reflections to maintain signal integrity in high-frequency environments. Built as a box-type, multi-stub coupler, the RT503000 delivers common mode rejection better than 45 dB and is constructed from hot-tinned cold rolled steel with solder-sealed enclosure for superior environmental, EMI, and corrosion protection.
## Technical Specifications
• **Manufacturer:** DDC / North Hills
• **Model:** RT503000
• **Product Family:** Box-Type, Multi-Stub
• **Data Bus Standard:** MIL-STD-1553
• **Common Mode Rejection:** Better than 45 dB
• **Impedance:** Compatible with 78 ohm termination; 70 ohm options available for MIL-STD-1553A applications
• **Connector Type:** PL75 configuration (compatible with Trompeter PL-75-47 types)
• **Case Material:** Hot-tinned cold rolled steel
• **Enclosure:** Solder-sealed for environmental, EMI, and corrosion protection
• **NSN:** 5985-01-415-5745, 5985-01-421-7333
## Key Features
• Solder-sealed case design ensures long-term reliability in demanding environments
• All industry-standard connectors supported
• Enhanced environmental sealing suitable for airborne platforms
• Proven MIL-STD-1553 compliance
## Typical Applications
• Airborne systems requiring MIL-STD-1553 data bus termination
• Test and development environments for high-frequency signal integrity validation
• Military and aerospace platforms demanding environmental protection
## Compatibility & Integration
The RT503000 integrates directly into MIL-STD-1553 architectures using PL75 connectors. Its 78 ohm impedance matches standard termination requirements; 70 ohm variants address MIL-STD-1553A specifications. The device is available through authorized distributors including Artisan Technology Group.
