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High Frequency
Current Sense Transformers

  • For use at frequencies up to 1000 kHz
  • Incorporates current and sense windings in one small, encapsulated package
  • Designed to meet UL/CSA/IEC 60950 Reinforced Insulation; 3 mm creepage/clearance
  • 3750 Vrms, one minute winding to winding isolation (hipot)
  • RoHS-compliant. Tin-silver over copper terminations.
  • Samples of all values plus sensor-only versions available in Coilcraft Designer's Kit P403

SPECIFICATIONS


Part number
Click to get parts
Turns (N)
pri : sec
Inductance1
min (mH)
DCR max2
(Ohms)
Frequency
range
(kHz)
Volt­time
product3
(Vµsec)
Sensed
current Iin
max (A)
Terminating
resistance RT4
(Ohms)
pri sec
CS4050V-01L 1 : 50 5 0.001 0.7 3 – 1000 149 35 1.4
CS4100V-01L 1 : 100 20 0.001 1.4 2 – 1000 298 35 2.9
CS4200V-01L 1 : 200 80 0.001 4.0 1 – 1000 596 35 5.7
1 Inductance is for the secondary, measured at 15.75 kHz, 1 Vrms.
2 DCR at 25°C, For other operating temperatures,use this DCR at Temperature calculator.
3 Volt-time product is for the secondary, based on 2000 Gauss.
4 Terminating resistance (RT) value is based on 1 Volt output with 35 Amps flowing through the primary. Varying terminating resistance increases or decreases output Voltage/Ampere according to the following equation:
RT = Vout × Nsec / Iin.
5 Ambient temperature range: −40°C to +85°C
6 Storage temperature range: Component: −40°C to +85°C
Packaging tubes: −40°C to +80°C
7 Electrical specifications at 25°C
Refer to Soldering Coilcraft Components before soldering.
PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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Updated: April 11, 2017