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| MODEL HM31 SERIES Encapsulated Current Sense Transformers FEATURES AND BENEFITS * * * * * Complies with VDE safety agency requirements Excellent temperature characteristics Encapsulating technique used to ensure long term reliability Excellent linearity (current vs. output voltage) Custom designs available APPLICATIONS * * * * * * Switching power supply Designed to detect AC current and to supply the output for control circuitry Appliances Medical equipment Office equipment Frequency ranges 20kHz and above 6 ELECTRICAL / ENVIRONMENTAL Insulation Resistance, Minimum Operating Temperature Range Dielectric Withstanding Voltage Specifications subject to change without notice. 100 Megohms -25C to +105C 4.2 kV Pri to Sec 6-75 Model HM31 Series FIGURE 1 (Inch/mm) FIGURE 2 (Inch/mm) .80 Max. 20 .60 Max. 15 .67 17 Max. .180 Min. 4.57 Dia. .375 9.53 Max. .80 Max. 20 .14 1.6 .030.002 Dia. 0.760.05 Solderable Pin, Typical .80 Max. 20 .50.010 12.760.25 (1) (3) .475.010 12.070.25 (2) (4) .90 Max. 23 .54 Max. 13.7 .65 Min. 16.5 .250 6.35 .50.010 12.760.25 (1) (2) (3) .030.002 Dia. 0.760.05 Solderable Flexible Pin Typical .400.010 10.160.25 Bottom View FIGURE 2A LOW COST (Inch/mm) FIGURE 3 (Inch/mm) .69 17.5 Max. .195 Min. 5.0 Dia. .378 9.6 Max. .90 Max. 23 .70 Max. 18 .866 Max. 22 .70 18 Max. .157.04 41.0 .250 6.35 .50.010 12.760.25 (1) (2) (3) .20 5.08 Min. .031 Dia. 0.8 Solderable Rigid Pin Typical .70.010 17.780.25 (2) (5) (4) (1) (3) .50.010 12.760.25 Leads 1 & 2: .051.003 Dia. 1.300.08 Leads 3, 4 & 5 .030.002 Dia. 0.760.05 6-76 Model HM31 Series SCHEMATICS Schematic A (1) (3) Schematic B (1) Schematic C (1) (2) (1) Schematic D (3) (4) (2) (5) (2) (5) (3) (3) SPECIFICATIONS Part Number HM31-10050 HM31-10100 HM31-20050 HM31-20100 HM31-20200 HM31-21050 HM31-21100 HM31-21200 HM31-20050L HM31-20100L HM31-20200L HM31-21050L HM31-21100L HM31-21200L HM31-30050 HM31-30100 HM31-30200 HM31-30300 HM31-31050 HM31-31100 HM31-31200 HM31-31300 Turns Ratio 1% or 1 turn whichever is greater 1:50 1:100 1:50 1:100 1:200 1:25:25 1:50:50 1:100:100 1:50 1:100 1:200 1:25:25 1:50:50 1:100:100 1:50 1:100 1:200 1:300 1:25:25 1:50:50 1:100:100 1:150:150 Secondary Inductance @ 10 kHz mH min. 5 20 5 20 85 1.3 5 20 5 20 85 1.3 5 20 5 20 85 195 1.3 5 20 48 Secondary DC Resistance Max. 0.7 1.4 0.7 1.4 4.5 0.7 1.4 4.5 0.7 1.4 4.5 0.7 1.4 4.5 0.7 1.4 4.5 11.0 0.7 1.4 4.5 11.0 Schematic A A B B B C C C B B B C C C A A A A D D D D Figure 1 1 2 2 2 2 2 2 2A 2A 2A 2A 2A 2A 3 3 3 3 3 3 3 3 Secondary V-S Max. 300 600 330 660 1,300 150 330 660 330 660 1300 150 330 660 330 660 1,300 2,000 160 330 660 1,000 Current 1 Turn Primary Amps 5 5 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 6 6-77 Model HM31 Series |
Price & Availability of HM31-30300
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