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SWB Wideband RF Transformers

  • Surface mount and through hole versions
  • 500 V, one minute interwinding isolation (hipot)
  • 250 mA max current rating; 1/4 Watt RF input power
  • For a smaller package size, see our PWB Series
  • RoHS-compliant. Matte tin over nickel over phos bronze.

SPECIFICATIONS


Schematic Part number
(through hole)
Click for samples
Part number1
(surface mount)
Click for samples
Imp. ratio2
pri : sec
Frequency
(MHz)
Pins 1-3 Pins 6-4
L min3
(µH)
DCR max4
(Ohms)
L min3
(µH)
DCR max4
(Ohms)
SWB1010-PCL SWB1010-SML_ : 1 0.005 – 100 780 0.320 780 0.320
SWB1010-1-PCL SWB1010-1-SML_ : 1 0.04–175 95 0.200 95 0.200
SWB1015-PCL SWB1015-SML_ 1.5 : 1 0.1 – 150 80 0.145 51 0.130
SWB1040-PCL SWB1040-SML_ : 1 0.2 – 300 95 0.160 25 0.115

SWB2010-PCL SWB2010-SML_ : 1 0.005 – 100 780 0.320 780 0.320
SWB2010-1-PCL SWB2010-1-SML_ : 1 0.04 – 175 95 0.200 95 0.200
SWB2040-PCL SWB2040-SML_ : 1 0.2 – 300 95 0.160 25 0.115
 

wbts3.gif (877 bytes)
SWB3010-PCL SWB3010-SML_ : 1 0.005 – 100 780 0.320 780 0.320
SWB3010-1-PCL SWB3010-1-SML_ : 1 0.04 – 175 95 0.200 95 0.200
SWB3015-PCL SWB3015-SML_ 1.5 : 1 0.1 – 150 80 0.145 51 0.130
SWB3040-PCL SWB3040-SML_ : 1 0.2 – 300 95 0.160 25 0.115
1 When ordering, please specify a packaging code: e.g. SWB3040-1-SMLD
  Packaging: D = 13" machine ready reel.
EIA-481 embossed plastic tape (500 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 Impedance ratio is for the full primary winding to the full secondary winding.
3 Inductance tested at 130 kHz, 0.1 Vrms, 0 Adc
4 DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
5 Ambient temperature range: −40°C to +85°C
6 Maximum part temperature: +85°C (Ambient + temperature rise)
7 Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
8 Resistance to soldering heat (surface mount version): 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. Measurements are referenced to 50 Ohms.
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: March 28, 2016