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Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

UWB Series

SMT Mini Ultra-Wideband Transformer

RoHS compliant halogen free AEC-Q flag
  • 3 dB bandwidth: 1 MHz to 8.5 GHz
  • 1/4 Watt RF input power
  • 250 mA max current rating
  • AEC-Q200 Grade 1 (−40°C to +125°C)
Buy Now:
Count Unit price
1 $8.92
100 $7.94
250 $5.95
750 $3.57
1500 $2.78
3000 $2.38
6000 $2.18

For high volume or non-stock items, request a quote.

. in stock, ready to ship today.
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Electrical specifications at 25°C. Measurements are referenced to 50 Ohms.

Part number 1 L min per winding (µH) 2 Test frequency
DCR max (mΩ) 3 Imp. ratio
loss (db)
Bandwidth (MHz)
Pri Sec1 Sec2 Pri Sec1 Sec2
UWB1-85E_ 3.6 3.6 3.6 100 71 71 71 1 : 1 1.46 1 8500
  1. When ordering, please specify packaging code: e.g. UWB-85EC
  2. Inductance measured at 1 MHz, 0.1 V, 0 Adc on an Agilent/ HP 4192 or equivalent.
  3. DCR measured at 25°C on a micro-ohmmeter. DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.


  • E = RoHS compliant tin-silver-copper over silver-platinum-glass frit.
  • S = non-RoHS tin-lead (63/37). (Special order, added cost)


  • C = 7" machine-ready reel
    EIA-481 embossed plastic tape (750 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
  • D = 13" reel, machine-ready 
    EIA-481 embossed plastic tape. Factory order only, not stocked (2500 parts per full reel).
RoHS compliant , halogen free
Ambient temperature range:
–40°C to +125°C with Irms current
Storage temperature range:
Component: –40°C to +140°C
Tape and reel packaging: –40°C to +80°C
Maximum part temperature:
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
60 per billion hours / 16,666,667 hours, calculated per Telcordia SR-332

Performance curves


Insertion Loss

Return Loss



Physical characteristics



Tape and Reel specification


Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
7" (178 mm) 13" (330 mm) A B C D E W P Po P1 H T part_or_f.gif
750 2500* 178/330 60/100 13 18,4 12,4 12 8 4 2 3,05 0,4
* Special order

General specification

Core Material:
90 mg
750/7″reel; 2500/13″ reel Plastic tape: 12 mm wide, 4 mm thick, 8 mm pocket spacing, 3.05 mm pocket depth


Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
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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