Dual, Through-the-Board, MIL-STD-1553 (1:1.79) Data Bus Transformer

Part: TRA1553STL-DTL45   Model: MIL-STD-1553 Data Bus Transformer

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The TRA1553STL-DTL45 is a low-cost, non-QPL MIL-STD-1553 transformer that complies with MILPRF 21038/27E electrical specifications. Together with Sital’s MIL-STD-1553 FPGA core and discrete transceiver circuit it offers a full, cost-effective 1553 solution. The transformer is a drop in replacement for standard through-the-board assembly transformers.

This is a dual, through-the-board MIL-STD-1553 (1:1.79) transformer. For a single, through-the-board transformer, see item# TRA1553SIT.

Sealevel is the licensed partner of Sital Technologies, Kfar-Saba, Israel, for distribution in the United States of Sital MIL-STD-1553 products and IP core products.


Additional information



  • Dual-redundant MIL-STD-1553B bus transceiver and transformer
  • Low-cost, non-QPL transformer
  • Pin-to-pin drop in replacement
  • Suitable for any MIL-STD-1553 BC, RT, MT application
  • Works in conjunction with Sital’s MIL-STD-1553 IP cores
  • Easily connects to most FPGA evaluation boards
  • Single 3.3 VDC supply operation
  • Less than 0.7 W maximum power dissipation
  • 2.0 x 1.6 inches (5 x 4 cm)
  • Simple 2-pin connection directly to 1553 bus
  • Simple header connector to FPGA board
  • Saves PCB design time and integration
  • MILPRF 21038/27E specifications


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