Data Bus

Motion Control

Power Control

Transformers, Inductors & Couplers

Rad-Tolerant Solutions

Custom Solutions



SPACE-PHY Dual MIL-STD-1553 Transceiver/Transformer Device


Part Number(s): BU-67402F30HL, BU-67402F80HL, BU-67402G30HL, BU-67402G80HL
Package: Flatpack, Gull Wing

SPACE-PHY, now available in both 3.3V and 5V versions, is a completely integrated Rad Tolerant MIL-STD-1553 physical layer in a single package, including dual transceivers and transformers, and is designed to connect with IP incorporated in an FPGA or custom MIL-STD-1553 protocol ASIC.


  • Compact Integrated Design Saves Space... Replaces Two Transceivers and Two Transformers
  • Single Package Simplifies Layout and Improves Reliability (MTBF)
  • Transformers and Transceivers, Trimmed and Tested as a Set, Provide Superior Margin for MIL-STD-1553 Compliance


  • Launch Vehicles
  • Military Satellites
  • Research Satellites
  • International Space Station
  • Commercial Telecommunication


  • Dual-Redundant, Side-by-Side, MIL-STD-1553 Transceiver/Transformer Combo
  • Compact Ceramic Flatpack Package
    • 1 in. x 1 in. x 0.25 in. (25.4 mm x 25.4 mm x 6.35 mm)
  • Radiation Specifications
    • Total Dose: 100 krads (5V version), 300krads (3.3V version)
    • Latchup Immunity: >85 MeV-cm²/mg
    • Contact Factory for Radiation Reports and Test Conditions
  • Dual Tap Secondaries
    • Secondaries' Center Taps Brought Out
  • MIL-PRF-38534 Class H or Class K
  • +3.3V or +5V Operation



 Product Brief

BU-67402 Product Brief


BU-67402 SPACE-PHY Dual MIL-STD-1553 Transceiver/Transformer Datasheet


Single Event Effects Testing of DDC-78745-1 Transceiver (3.3V transceiver used in the BU-67402F8)

Single Event Effects Testing of P465 Transceiver (5V transceiver used in the BU-67402F3)

Total Dose Radiation Test Report of DDC-78745-1 (3.3V transceiver used in the BU-67402F8)

Total Dose Radiation Test Report of P465 (5V transceiver used in the BU-67402F3)

 Generic Document

Data Bus Boards and Components Flyer

Data Bus Boards, Modules, and Software Flyer

Data Bus Solutions: Components

DDC Corporate Overview

DDC Product Catalog

MIL-PRF-38534 Specification for Hybrid Microcircuits

DDC Custom Solutions Brochure


Ordering Information:

 Ordering Information

You can use the following link to download a PDF copy of the Ordering Information:

Request a Quote:

Click Here to Request a Quote