B78408A1630A003 Datasheet, PDF (2/4 Pages) EPCOS – RF transformers 15 dB directional coupler

Transformers for information technology
15 dB directional coupler
B78408A1630A003
DL 3.6, large
Technical data
■ Double-aperture transformer
■ Recommended frequency range:
40 MHz to 2500 MHz
■ Operating temperature: −40 °C to +85 °C
■ Weight: approx. 105 mg
Feature
■ RoHS-compatible
Marking
■ No marking on components
■ Minimum data on reel:
Manufacturer, ordering code,
quantity, date code
Delivery mode and packing unit
■ 12-mm blister tape to IEC 60286-3,
wound on 330-mm ∅ reel
■ Packing unit: 2100 pcs./reel
Dimensional drawing
5.7 max. ^{Exemplary winding 2.5 max.}
construction
12 3
0.5 x 0.3 (6x)
1.5
2 x 1.5 = 3
0.2
5.5 ref.
7.1 max.
654
Pin 1
marking
Pick-and-place area
123
1
1.5
FIN0284-Q-E
Layout
recommendation
2 x 1.5 = 3
Dimensions in mm
FIN0283-I
Circuit diagram and test arrangement
1
6
5
3
4
FIN0273-B
Insertion loss
Measurement instrument: Network analyzer
Impedance: 75 Ω
Values specified at 25 °C
Frequency (MHz)
Mainline loss Input/Output (dB)
Coupling Input/Coupled (dB)
Please read Cautions and warnings and
Important notes at the end of this document.
Output
1
75 Ω
3
6
Input
5
4
Coupled
FIN0274-J-E
47
0.7 ±0.3
15.5 ±0.4
862
0.7 ±0.4
15.3 ±0.6
2000
1.2 ±0.6
15.0 ±1.3
2500
1.8 (typ.)
17 (typ.)
2 03/08