Model BD2425N5050AHF Rev B Ultra Low Profile 0404 Balun 50 to 50 Balanced Description The BD2425N5050AHF is a low profile, low impedance sub-miniature unbalanced to balanced transformer designed for differential inputs and output locations on modern chipsets targeted at 802.11 b+g, MIMO b+g, Bluetooth, Zigbee, ULPR and ISM band Applications in an easy to use surface mount package. The BD2425N5050AHF is ideal for high volume manufacturing and delivers higher performance than traditional ceramic baluns. The BD2425N5050AHF has an unbalanced port impedance of 50 and a 50 balanced port impedance.. The output ports have equal amplitude (-3dB) with 180 degree phase differential. The BD2425N5050AHF is available on tape and reel for pick and place high volume manufacturing. Detailed Electrical Specifications: Specifications subject to change without notice. ROOM (25C) Features: 2400 2500 MHz Parameter Min. Typ. Max Unit 0.56 mm Height Profile Frequency 2400 2500 MHz 50 Ohm to 2 x 25 Ohm Unbalanced Port Impedance 50 Low Insertion Loss Balanced Port Impedance 50 Targeted At 802.11 b+g, MIMO b+g, Bluetooth, Zigbee, ULPR Return Loss 15 23 dB and ISM Band Applications Insertion Loss* 0.7 0.9 dB Surface Mountable Amplitude Balance 0.3 0.8 dB Tape & Reel Phase Balance 3 7 Degrees Non-conductive Top Surface CMRR 30 dB RoHS Compliant Halogen free Power Handling 0.75 Watts Operating Temperature -55 +85 C * Insertion Loss stated at room temperature (Insertion Loss is approximately 0.1 dB higher at +85 C) Outline Drawing Top View (Near-side) Side View Bottom View (Far-side) .012 0.30 .002 .022 .004 1 .041 0.560.05 .012 0.30 2 0.10 1.04 3x.010 .004 .041 0.25 0.10 1.04 4 3 .020 0.51 3x.010 0.25 .020 0.51 Pin Designation GND / DC Feed 1 + RF GND 2 Unbalanced Port 3 Balanced Port Dimensions are in Inches Millimeters 4 Balanced Port Mechanical Outline Tolerances are Non-Cumulative USA/Canada: (315) 432-8909 Available on Tape Toll Free: and Reel for Pick and (800) 411-6596 Place Manufacturing. +44 2392-232392 Europe: Model BD2425N5050AHF Rev B Typical Performance:2300 MHz. to 2600 MHz. Return Loss - Input Insertion Loss 0 0 -3 -0.3 -6 -0.6 -9 -0.9 -12 -1.2 -15 -1.5 -18 -1.8 -21 -2.1 -24 -2.4 -2.7 -27 -3 -30 -33 -3.3 -36 -3.6 Frequency MHz Frequency MHz Amplitude Balance Phase Balance 2 20 15 1.5 10 1 0.5 5 0 0 -5 -0.5 -10 -1 -1.5 -15 -2 -20 Frequency MHz Frequency MHz CMRR 0 -3 -6 -9 -12 -15 -18 -21 -24 -27 -30 -33 -36 Frequency MHz USA/Canada: (315) 432-8909 Available on Tape and Reel for Pick and Place Toll Free: (800) 411-6596 Manufacturing. Europe: +44 2392-232392 dB dB dB 2300 2300 2300 2400 2400 2400 2500 2500 2500 2600 2600 2600 deg dB 2300 2300 2400 2400 2500 2500 2600 2600