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SURFACE MOUNT INDUCTORS AND TRANSFORMERS
SG-890A
6
SPRAGUE-GOODMAN ELECTRONICS, INC., 1700 SHAMES DRIVE, WESTBURY, NY 11590 • TEL: 516-334-8700 • FAX: 516-334-8771 • E-MAIL: info@ spraguegoodman.com
APPLICATIONS
• RF circuits
• Mobile radio
• Satellite TV
• Cordless phones
FEATURES
• Compact design
• Suitable for automatic insertion
• For reflow and vapor phase soldering
• Ceramic base
• Terminals are formed from the ends of the coil
windings, eliminating solder joints between the
coil and the terminals which could open from the
heat of circuit assembly.
SPECIFICATIONS
Operating Temperature Range: –40°C to +125°C
Soldering Heat Resistance: 230°C, 5 s
WIDEBAND TRANSFORMERS - 4.5 x 4.5 x 2.8 mm
3 dB
Loss at 20 MHz
Impedance
Turns
Band Limits
(dB)
Model
(
Ω)
Ratio
(MHz)
max
Number
50 : 50
1 : 1
4 - 2000
0.5
GLSW4M202
TRANSFORMER WITH 2 WINDINGS
0.12
3.0
0.18
4.5
0.18
4.5
15
24
3
1
10
100
1000
10000
-10
-7
-6
-3
-2
-1
0
-4
-5
-8
-9
FREQUENCY (MHz)
dB
TYPICAL INSERTION LOSS
5
4
1
2
All dimensions are in / mm.
Unless otherwise specified, the tolerance on dimensions is ± 0.004 / 0.1.
0.22
5.5
0.08
2.0
PAD LAYOUT
0.04
1.0
0.12
3.0
TYP
TYP
CONFIGURATION FOR BALUN TRANSFORMER (PAGE 7)
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