topstek current transducer tkdd3a .. tkdd40a - 67 - www.topstek.com tkdd v080201 7/1/2008 tkdd 3a~40a features highly reliable hall effect device compact and light weight fast response time excellent linearity of the output voltage over a wide input range excellent frequency response (> 50 khz) low power consumption (20 ma nominal) capable of measuring both dc and ac, both pulsed and mixed high isolation voltage between the measuring circuit and the current-carrying conductor (ac2.5kv) extended operating temperature range flame-retardant plastic case and silicone encapsulate, using ul classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range applications ups systems industrial robots nc tooling machines elevator controllers process control devices ac and dc servo systems motor speed controller electrical vehicle controllers inverter-controlled welding machines general and special purpose inverters power supply for laser processing machines controller for traction equipment e.g. electric trains other automatic control systems specifications parameter symbol unit tkdd3a-b12 .. tkdd40a-b12 tkdd3a .. tkdd40a nominal input current i fn a dc 3 .. 40 linear range i fs a dc 7.2 .. 96 = 2.4x i fn 9 .. 120 = 3x i fn nominal output voltage v hn v 4 v1% at if=i fn ( r l =10k) offset voltage v os mv within 40 mv @ i f =0, t a =25c output resistance r out <100 hysteresis error v oh mv within 25 mv @ i f =i fn 0 supply voltage v cc /v ee v 12v 5% 15v 5% linearity % within 1% of i fn consumption current i cc ma 20 ma nominal, 30 ma max response time (90%v hn ) t r sec 5 sec max. @ d i f / dt = i fn / sec frequency bandwidth (-3db) f bw hz dc to 50khz thermal drift of output - %/c within 0.1 %/c @ i fn thermal drift of zero current offset - mv/c within 1.5 mv/c @ i fn dielectric strength - v ac2.5kv x 60 sec isolation resistance @ 1000 vdc r is m >1000 m operating temperature t a c -15c to 80c storage temperature t s c -20c to 85c mass w g 15 g
topstek current transducer tkdd3a .. tkdd40a - 68 - www.topstek.com tkdd v080201 7/1/2008 + input 1 +v cc output 2 gnd pin assignment -v ee output 1 - input 1 + input 2 - input 2 s 6 h f r q g d u \ s l q v [ [ 3 u l p d u \ [ g s [ 3 ; bottom view appearance, dimensions and pin identification all dimensions in mm 0.2, holes C0, +0.2 except otherwise noted. primary current input pin diameter 1-3a 4-8a 9-15a 16-40a d(mm) 0.6 0.8 1.2 1.4
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