Micro In-Line Couplers

  • Industry's smallest and lightest bus couplers
  • EMI and EMP shielding standard
  • 55 dB CMR
  • Standard cable M17/176-00002
  • Other cable types available
  • Environmental sleeve per MIL-DTL-23053/5
  • Flight rated
  • Bus & Stub cable markers
  • MIL-STD-1553 A or B designs available

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Micro In-Line Coupler

Electrical Specification (In Accordance with MIL-STD-1553B)
Transformer Turns Ratio (N) 1.41:1 (+/-3%)
Transformer Droop < 20%
Overshoot & Ringing < +/- 1v pk-pk
Common Mode Rejection > 55 dB at 1MHz
Fault Isolation Resistance (R1, R2, ...) 59.0 Ohms, 1%, 1 watt (MIL-R-39007)
Operating Temperature -55°C to +125°C
Construction CRS Case, Tin-Lead Plated and Painted for 100% EMI & Environmental Seal
Bus Termination Resistor 78.7 Ohms, 1%, 1 watt (MIL-R-39007)


Environmental Specifications
Random Vibration MIL-STD-202, Method 204, Condition B, 12 Hours Per Axis
Mechanical Shock MIL-STD-202, Method 213, Condition I
Pull Strength 12 lbs. on Each Cable
Thermal Shock MIL-STD-202, Method 107, Condition B, -65°C to +125°C, 10 Cycles
Life MIL-STD-202 Method 108, 1000 Hours at 125°C (14v pk-pk, 1 MHz sq. Wave Input at Stub, 100% Duty Cycle and 78 Ohm Bus Termination)
Moisture Resistance MIL-STD-202, Method 106
Resistance to Solvents MIL-STD-202, Method 215
Altitude > 250,000 ft. Operational
Thermal Vacuum 10E-5 mm Hg, Operational and -90°C to +71°C
Surface Transfer Impedance 20 milli Ohms/Meter Max for Single Shield Cable and 10 milli Ohms/Meter Max for Double Shield Cable


Standard Models
No. of Stubs Model No. Coupler Body Dimensions (Inches) Incl. Environmental Jacket Wt. Excl. Cable (grams) RFQ RFI Tech Support
1 BC0010 0.465x0.655x0.880 8 RFQ RFI Tech Support
2 BC0020 0.465x0.655x1.800 16 RFQ RFI Tech Support
3 BC0030 0.560x0.850x2.400 25 RFQ RFI Tech Support
4 BC0040 0.560x0.850x2.400 35 RFQ RFI Tech Support
6 BC0060 0.760x1.160x2.960 60 RFQ RFI Tech Support
8 BC0080 0.760x1.160x2.960 80 RFQ RFI Tech Support
10 BC0100 0.760x1.160x2.960 100 RFQ RFI Tech Support

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