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Surface Mount
Wideband RF Transformers

These products are not available in RoHS-compliant versions. Product contains lead. Contact Coilcraft for current status.
  • Wide frequency range: 0.26 MHz to 1 GHz
  • 250 mA max current rating
  • Applications include impedance matching, voltage or current transformation, DC isolation, balanced/unbalanced mixing, matching, power splitting, coupling and signal inversion

SPECIFICATIONS


Part number1
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Impedance
ratio
pri : sec
Frequency
range
(MHz)
Insertion
loss max
(dB)
Pins 1-3 (pri) Pins 6-4 (sec)
L min
(µH)
DCR max2
(mOhms)
L min
(µH)
DCR max2
(mOhms)
Z9169-A_ 1 : 1 3 – 1000 1.20 1.8 35.0 1.8 40.0
A9899-A_ 1 : 1 0.26 –930 0.60 18 230 18 310
A9900-A_ 1 : 1 0.525– 1000 1.20 7.0 200 7.0 200
1 When ordering, please specify a packaging code: e.g. A9899-AC
  Packaging: C = 7" machine ready reel.
EIA-481 embossed plastic tape (750 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 C instead.
D = 13" machine ready reel.
EIA-481 embossed plastic tape. Factory order only, not stocked (3000 parts per full reel).
2 Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4192 or equivalent.
3 DCR measured on a micro-ohmmeter at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 Ambient temperature range: −40°C to +85°C
5 Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
6 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.
7 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: April 11, 2017