MODEL HM32 SERIES Current Sense Transformers FEATURES AND BENEFITS • • • • • • Cost effective design Complies with VDE safety requirements Excellent temperature characteristics Designed for switching supply applications Excellent linearity (current vs. output voltage) Custom designs available APPLICATIONS • • • • • • Switching power supply Designed to detect AC currents and to supply the output for control circuitry Appliance Medical equipment Office equipment Frequency ranges 50kHz and above 6 ELECTRICAL / ENVIRONMENTAL Insulation Resistance, Minimum Operating Temperature Range Insulation System 100 Megohms -25°C to +105°C Class B, 130°C SCHEMATIC (FIGURE 1 & 2) (1) (2) (4) (3) Specifications subject to change without notice. 6-79 Model HM32 Series FIGURE 1 (Inch/mm) .80 Max. 20.5 4.5 Max. 11.5 .700±.010 17.78±0.25 .350 8.89 .68 Max. 17.3 .122 3.10 Min. .025 Sq. Typical .635 (1) (2) (4) (3) SPECIFICATIONS Part Number HM32-10010 HM32-10050 HM32-10100 HM32-10200 HM32-20050 HM32-20100 HM32-22100 HM32-20200 Turns N1:N2 1:10 1:50 1:100 1:200 1:50 1:100 2:100 1:200 Secondary Inductance @ 10 kHz mH Min. 0.2 5.0 20.0 85.0 5.0 20.0 20.0 85.0 Secondary DC Resistance Ω Max. 0.2 0.7 1.4 4.5 0.7 1.4 1.4 4.5 6-80 Figure 1 1 1 1 2 2 2 2 Primary Amps Max. 3 3 3 3 3 3 3 3 Core Style Toroid Toroid Toroid Toroid Toroid Toroid Toroid Toroid Secondary V-µS Max. 67 330 660 1,300 330 660 660 1,300 Model HM32 Series FIGURE 2 (Inch/mm) .610 Max. 15.5 .610 Max. 15.5 (4) (3) (1) (2) .394 Max. 10.0 .17 4.5 .450±.010 11.43±0.25 .450±.010 11.43±0.25 .025 Sq. .635 Typical BOTTOM VIEW 6 6-81 Model HM32 Series