SURFACE MOUNT INDUCTORS AND TRANSFORMERS
SG-890A
TRANSFORMER WITH 2 WINDINGS AND CENTER TAP
1
5
2
3
3 dB
Band Limits
(MHz)
Loss at 20 MHz
(dB)
Turns
Ratio
Model
Number
max
1 : 1 : 1
4.5 - 1000
0.7
GLSB4R5M102
TYPICAL INSERTION LOSS
0
-1
-2
4
0.12
3.0
-3
-4
dB
-5
-6
-7
-8
0.059
1.5
0.22
5.5
0.08
2.0
TYP
-9
0.04
1.0
-10
TYP
10
1
100
1000
10000
PAD LAYOUT
(
)
FREQUENCY MHz
BALUN TRANSFORMER
3 dB
Band Limits
(MHz)
Loss at 20 MHz
(dB)
2
1
5
Impedance
Turns
Ratio
Model
Number
(Ω)
max
50 : 200
1 : 2
10 - 1200
0.5
GLSU10M122
3
4
TYPICAL INSERTION LOSS
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
0.12
3.0
0.059
1.5
dB
0.22
5.5
0.08
2.0
TYP
-10
0.04
1.0
10
1
100
1000
10000
TYP
(
)
FREQUENCY MHz
PAD LAYOUT
POWER SPLITTER
0.12
3.0
Number
of
Turns
Inductance
(2 to 3)
Inductance
(2 to 4)
(µH)
2
3
0.059
1.5
Model
Number
(µH)
0.08
2.0
2 x 2
0.42 25%
1.68 25%
GLSD02/02H1R68
0.04
1.0
All dimensions are in / mm.
Unless otherwise specified, the tolerance on dimensions is 0.004 / 0.1.
TYP
4
PAD LAYOUT
SPRAGUE-GOODMAN ELECTRONICS, INC., 1700 SHAMES DRIVE, WESTBURY, NY 11590 • TEL: 516-334-8700 • FAX: 516-334-8771 • E-MAIL: info@spraguegoodman.com
7