An Engineered Solution Provider and Manufacturer of Custom Components & Assemblies Product Solutions SX40 Series Planar Transformers With Power Ratings To 180W/360W New SX40 series Hi-Power Planar Transformers from Standex Electronics feature high performance from a compact, low-profile package. These proven designs are ideal for demanding applications where space and weight savings are vital. Applications such as military, aerospace, hybrid vehicles and alternative energy can benefit from these standard or custom Standex planar designs. Single Interleave Designs - Maximum Height 7.4mm Primary* Turns Inductance Part # PRI A PRI B Sec. (µH Min.) Leakage** Inductance (µH Nom) SX40-1-3444 3T 4T 117 0.15 SX40-1-4444 4T 4T 153 0.20 SX40-1-4544 4T 5T 194 0.25 4T SX40-1-5544 5T 5T 240 0.30 SX40-1-5644 5T 6T 290 0.35 SX40-1-6644 6T 6T 345 0.40 SX40-1-3411 3T 4T 117 0.15 SX40-1-4411 4T 4T 153 0.20 SX40-1-4511 4T 5T 194 0.25 1T & 1T SX40-1-5511 5T 5T 240 0.30 SX40-1-5611 5T 6T 290 0.35 SX40-1-6611 6T 6T 345 0.40 SX40-1-3421 3T 4T 117 0.15 SX40-1-4421 4T 4T 153 0.20 SX40-1-4521 4T 5T 194 0.25 2T & 1T SX40-1-5521 5T 5T 240 0.30 SX40-1-5621 5T 6T 290 0.35 SX40-1-6621 6T 6T 345 0.40 SX40-1-4431 4T 4T 153 0.20 3T & 1T SX40-1-4531 4T 5T 194 0.30 * Inductance is measured with primary winding (2 to 4). **Leakage inductance is measured on winding (2 – 4) with all other windings shorted. Double Interleave Designs - Maximum Height 9.8mm Primary* Turns Inductance Part # PRI A PRI B Sec. (µH Min.) SX40-2-3444 SX40-2-4444 SX40-2-4544 SX40-2-5544 SX40-2-5644 SX40-2-6644 SX40-2-3411 SX40-2-4411 SX40-2-4511 SX40-2-5511 SX40-2-5611 SX40-2-6611 SX40-2-3421 SX40-2-4421 SX40-2-4521 SX40-2-5521 SX40-2-5621 SX40-2-6621 SX40-2-4431 SX40-2-4531 3T 4T 4T 5T 5T 6T 3T 4T 4T 5T 5T 6T 3T 4T 4T 5T 5T 6T 4T 4T 4T 4T 5T 5T 6T 6T 4T 4T 5T 5T 6T 6T 4T 4T 5T 5T 6T 6T 4T 5T 4T (1T:1T:1T:1T) 1T & 1T 2T & 1T 3T & 1T 117 153 194 240 290 345 117 153 194 240 290 345 117 153 194 240 290 345 153 194 DCR (mΩ Nom) PRI A PRI B 9 15 15 26 26 36 9 15 15 26 26 36 9 15 15 26 26 36 15 15 15 15 26 26 36 36 15 15 26 26 36 36 15 15 26 26 36 36 15 26 Leakage** Inductance (µH Nom) PRI A PRI B 0.100 0.100 0.100 0.150 0.150 0.150 0.100 0.100 0.100 0.150 0.150 0.150 0.100 0.100 0.100 0.150 0.150 0.150 0.100 0.100 5 8 8 14 14 19 5 8 8 14 14 19 5 8 8 14 14 19 8 8 8 8 14 14 19 19 8 8 14 14 19 19 8 8 14 14 19 19 8 14 Sec. Sch. 7.00 A1 1&1 A2 4&1 A3 9&1 A3 DCR (mΩ Nom) Sec. Sch. 4.00 A1 0.6 & 0.6 A2 1.7 & 0.6 A3 5 & 0.6 A3 * Inductance is measured with both primary windings connected in series (2 to 5, with 3 and 4 shorted). **Leakage inductance is measured on winding (2 – 5) connected in series with all other windings shorted. PS_PlanarSX40 11.242 www.standexelectronics.com • +1.866.STANDEX (+1.866.782.6339) United Kingdom +44.1732.771.023 • China +86.22.86996881~5 Call today to find out why Standex is a world leader in planar transformer technology! An Engineered Solution Provider and Manufacturer of Custom Components & Assemblies SX-40 Series 180W/360W Mechanical Dimensions Core Loss Vs Flux Density 21.20mm Max 7 .005 0.13 Core Loss (Watts) 11 2 1.87 1.73 1.6 1.47 1.33 1.2 1.07 0.93 0.8 0.67 0.53 0.4 0.27 0.13 23.30mm Max 1 H H = Maximum Height See Table on Front 6 Flux (Gauss) Suggested Pad Layout 02.79mm 100 Khz 200 Khz 300 Khz 400 Khz Temperature Rise 12.70mm 6.35mm 120 100 80 10.16mm 60 20.32mm 40 20 0 4.57mm 10.16mm 15.75mm 02.03mm Total Loss Schematics A1 2 4 3 PRI B 11 PRI A 5 1 PRI AUX (OPTIONAL) 6 A2 2 4T 7 4 3 PRI B 1T PRI A 1T 5 1 PRI AUX (OPTIONAL) 6 11 2 10 8 4 3 7 A3 PRI B 11 1T 9 PRI A 5 1 PRI AUX (OPTIONAL) 6 10 XT 7 Call Standex for all of your Planar transformer needs! www.standexelectronics.com • +1.866.STANDEX (+1.866.782.6339) United Kingdom +44.1732.771.023 • China +86.22.86996881~5