Space Grade Planar Transformers With Multiple Output Secondaries for 150 W / 28 V Input Forward Converters

Applications

• Input voltage range: 18 V to 36 V
• Multiple secondaries can power up to two 12 V channels or up to four 5 V channels with center tap
• Higher power density levels versus traditional planar designs
• Optimized for 150 W forward converter topologies using 28 V input and 200 kHz operation
• Over-molded windings for environmental protection in ruggedized applications
• MIL-PRF-27 grade 5, product level T, temperature class S
• MIL-STD-981 family 03 power transformer, class S compliant (1)(2)
• ASTM-E595 outgassing compliant (3)
• Tin-lead (Sn63Pb37) coated terminations (does not contain tin composition percentages greater than 97 %)
• Customization available (e.g., pinouts, temperature class, screening, etc.)
• SGTPL design; PATENT(S): www.vishay.com/patents
• Screening codes S and B only
• Clarifications to MIL-STD-981 (1):
• MIL-STD-981 figures 3b, c, and d do not apply to this assembly’s build construction
• MIL-STD-981 5.5.10 & 5.5.11: parts soldered and inspected to J-STD-001S (space addendum)
• Corona discharge is not applicable
• Applies to all external materials