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SCS Series
SMT Current Sense Transformers

  • Senses current up to 30 Amps
  • For use between 2 kHz to 1 MHz
  • 500 Vrms, one minute isolation (hipot) winding to winding
  • RoHS-compliant, halogen free. 260°C compatible. Matte tin over nickel over phos bronze terminations

SPECIFICATIONS


Part number1
Click to get parts
Turns (N)
pri : sec
Inductance2
min (mH)
DCR max
(Ohms)
Freq
range
(kHz)
Volt‑time
product4
(Vµsec)
Sensed
current4
Iin (A)
Terminating
resistance RT5
(Ohms)
Pri3 Sec
SCS-050L_ 1 : 50 3.8 0.0024 0.90 6 – 1000 80 30 1.7
SCS-100L_ 1 : 100 14.8 0.0024 1.80 3 – 1000 160 30 3.3
SCS-200L_ 1 : 200 59.2 0.0024 3.90 2 – 1000 320 30 6.7
1 When ordering, please specify packaging code: e.g. SCS-200LD
  Packaging D = 13" machine-ready reel
EIA-481 embossed plastic tape (200 parts per full reel).
B = Less than full reel
In tape, but not machine-ready. To have a leader and trailer added ($25 charge), use code letter D instead.
2 Inductance measured across secondary at 10 kHz, 0.06 Vrms, 0 Adc.
3 Primary DCR is measured with the windings connected in parallel at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 Input current of 30 A causes approximately 25°C temperature rise above 25°C ambient when primary windings are connected in parallel. Higher current causes a greater temperature rise (see Temperature Rise vs Current curve).
5 Terminating resistance (RT) value is based on 1 Volt output with 30 Amps flowing through the primary. Varying terminating resistance increases or decreases output Voltage/Ampere according to the following equation:
RT (Ohms) = Vout × Nsec / Iin.
6 Ambient temperature range: −40°C to +125°C
7 Storage temperature range: Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
8 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
9 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