RF Transformer
RSurFfaceTMoruant nsformer
50Ω 1 to 250 MHz
ADT9-1T+ ADT9-1T
Maximum Ratings
Operating Temperature
-20°C to 85°C
...
Description
RSurFfaceTMoruant nsformer
50Ω 1 to 250 MHz
ADT9-1T+ ADT9-1T
Maximum Ratings
Operating Temperature
-20°C to 85°C
Storage Temperature
-55°C to 100°C
RF Power
0.25W
DC Current
30mA
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
PRIMARY DOT
3
PRIMARY
1
SECONDARY DOT
4
SECONDARY
6
SECONDARY CT
5
NOT USED
2
Outline Drawing
Features
good return loss, 13 dB typ. in 1 dB bandwidth excellent amplitude unbalance, 0.05 dB typ. in and phase unbalance, 1 deg. typ. in 1 dB bandwidth aqueous washable protected under US patent 6,133,525
Applications
impedance matching baluns
CASE STYLE: CD542
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Reel Size 7”
13”
Availaatbnleo TeaxptreaacnodstReel Devices/Reel 20, 50, 100, 200, 500 500,1000
Transformer Electrical Specifications
Ω RATIO (Secondary/Primary)
FREQUENCY (MHz)
9 1-250
INSERTION LOSS*
3 dB MHz
-
2 dB MHz 1-250
1 dB MHz 2-150
PHASE UNBALANCE
(Deg.) Typ.
1 dB
2 dB
bandwidth bandwidth
11
AMPLITUDE UNBALANCE
(dB) Typ.
1 dB
2 dB
bandwidth bandwidth
0.05 0.2
* Insertion Loss is referenced to mid-band loss, 0.8 dB typ.
PCB Land Pattern
Suggested Layout, Tolerance to be within ±� .002
Outline Dimensions (imncmh )
A BCD E FG .272 .310 .220 .100 .112 .055 .100 6.91 7.87 5.59 2.54 2.84 1.40 2.54
H JK L .030 .026 .065 .300 0.76 0.66 1.65 7.62
wt grams
0.20
De...
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