Mechanical Schematic
RF TRANSFORMER
For Wideband RF Applications
RoHS peak reflow temperature rating: 245°C
For single-ended to balanced applications
Value-oriented construction
Small surface mount package
Excellent insertion loss
Various impedance ratios available
CX2078NL, CX2081NL, CX2156NL
A
4
6
3
1
4
6
3
1
SEC:PRI
2
B
Part Impedance Ratio1 Turns Ratio1 Bandwidth
2, 3 Insertion Loss
Number 4 Pri:Sec Pri:Sec (MHz TYP) @ Midband Schematic
(±2%) (±2%) (dB)
CX2078NL 1:1 1:1 5-500 0.6 A
CX2081NL 1:1.5CT 1:1.2CT 5-125 0.9 B
CX2156NL 1:1 1:1 2.3 - 2700 0.2 A
1. Impedance and turns ratios are specified primary:secondary. (CT=Center Tap).
2. Bandwidth is referenced to midband loss.
3. These transformers are verified to operate from -40°C to +85°C. Contact Applications Engineering for performance data.
4. Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number (ex: CX2078NLT).
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Weight . . . . . . . . . . . . . . . 0.43 grams
Tape & Reel . . . . . . . . . . . . 2200 /reel
Tray . . . . . . . . . . . . . . . . . . .100 /tray
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
www.pulseeng.com 1 C215.B (9/09)
USA 858 674 8100
Germany 49 7032 7806 0
Singapore 65 6287 8998
Shanghai 86 21 62787060
China 86 755 33966678
Taiwan 886 3 4643715