Tab Mounted In-Line Coupler

  • Full performance features of the micro in-line couplers plus the option for mounting
  • Mounting hole for #6 hardware
  • Bus and Stub cable identifiers provided
  • Insulated mounting tab provides isolation of cable shield from mounting surface
  • MIL-STD-1553 A or B designs available
  • Flight rated

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Tab Mounted In-Line Couplers

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 BC0210 0.550x0.655x0.880 20 RFQ RFI Tech Support
2 BC0220 0.550x0.655x1.800 28 RFQ RFI Tech Support
3 BC0230 0.650x0.850x2.400 32 RFQ RFI Tech Support
4 BC0240 0.650x0.850x2.400 45 RFQ RFI Tech Support
6 BC0260 0.850x1.160x2.960 75 RFQ RFI Tech Support
8 BC0280 0.850x1.160x2.960 95 RFQ RFI Tech Support
10 BC02100 0.850x1.160x2.960 120 RFQ RFI Tech Support

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