The SCS205 from Vanguard Electronics is a Space Qualified Power Transformer with an inductance of 21 mH. This transformer has a turns ratio of 1:100:100 and requires a primary voltage of 144 V. It has a direct current resistance of 2.9 ohms and an insulation resistance of 10K Mohms. The transformer is built to meet MIL-STD-981 space standard specifications and features tin-lead terminations and welded internal connections. It has a minimum dielectric withstanding voltage of 500 VAC and a peak primary current of 20 A. The SCS205 measures 0.61 × 0.61 × 0.475 inches and is MIL-STD-981 and is ideal for automatic placement.