IR HiRel’s award-winning M3GB series is the industry’s first family of high input voltage rad hard hermetic hybrid DC-DC converters capable of 120V nominal input voltage, up to 40W of output power, and with models qualified to MIL-PRF-38534 Class K with DLA Standard Microelectronics Drawing (SMD). With a wide DC input voltage range, from 95V to 140V de-rated to MIL-STD-975 and MIL-STD-1547, M3GB offers proven, off-the-shelf, fully qualified and documented hybrid DC-DC converters in a compact 3” x 2” x 0.475” package weighing less than 100g.

Fully de-rated and tested, ready for use in a broad range of applications

The M3GB series uses IR HiRel’s proven rad hard MOSFETs and is qualified for radiation environments up to 1.0E13 n/cm² neutron fluence, 300 kRads (Si) Total Ionizing Dose, and SEE-rated at 82 MeV-cm2/mg LET. Heavy de-rating of the rad hard MOSFETs virtually eliminates the possibility of single-event gate rupture (SEGR) and single-event burnout (SEB).

This rugged DC-DC converter family is compliant to MIL-PRF-38534 Class K SMD and available with radiation hardness components tested in accordance with additional Radiation Lot Acceptance Testing (RLAT) per IR HiRel’s DLA MIL-PRF-38534 approved Radiation Hardness Assurance (RHA) plan.

Applications

• International Space Station
• Orion equipment and payloads
• 100V regulated input bus

M3GB 120V portfolio highlights

• See other M3GB series DC-DC converters for 28V buses and 70V buses