Document 308
SurfaceMountWidebandRFTransformers
ThesewidebandRFtransformersprovideexcellentperfor-
mance at a very economical price. They are packaged in
a low profile, flat top ceramic case that makes them ideal
forpickandplaceoperations.Operatingtemperaturerange
is –40° to +85°C.
Applicationsincludeimpedancematching, voltageorcur-
rent transformation, DC isolation, balanced/unbalanced
mixing, matching, power splitting, coupling and signal
inversion.
In addition to these parts, transformers with other combina-
tions of impedance ratio, insertion loss, and frequency
responseareavailable.Theycanbeorderedwithauntapped
secondaryorwithtappedprimaryandtappedsecondary.For
custompartsorforfreeevaluationsamples,contactCoilcraft
or visitwww.coilcraft.com.
Pins 1-3
Pins 6-4
Impedance
ratio
Frequency
range
Insertion
loss max
(dB)
Part
number
Lmin
(µH)
DCR max
(mOhms)
Lmin
(µH)
DCR max
(mOhms)
pri:sec
(MHz)
Z9169-A
A9899-A
A9900-A
1:1
1:1
1:1
3 – 1000
0.26 – 930
0.525 – 1000
1.20
0.60
1.20
1.8
18.0
7.0
35.0
230.0
200.0
1.8
18.0
7.0
40.0
310.0
200.0
1. Operating temperature range -40°C to 85°C.
2. Electrical specifications at 25°C.
Unless otherwise noted, tolerance
for all dimensions 0.005/0,127.
0.240
6,10
0.250
6,35
–
0.185+0.005/ 0.010
4,70
–
+0,127/ 0,254
Color
dot over
pin 1
Recommended
Land Pattern
0.250
6,35
5
0.035
0,89
0.240
6,10
2
6
4
1
3
0.045
1,14
0.050
1,27
0.180
4,57
0.170
4,32
6
5
4
1
2
3
Tapeandreel: 1000/13″ reel 16 mm tape width
For packaging data see Tape and Reel Specifications section.
0.040
1,02
0.050
1,27
Specifications subject to change without notice. Document 308 Revised 11/02/05
© Coilcraft, Inc. 2005