Surface Mount
ADT4-1WT+
ADT4-1WT
RF Transformer
50Ω
2 to 775 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
-20°C to 85°C
-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
PRIMARY
SECONDARY DOT
SECONDARY
SECONARY CT
NOT USED
3
1
4
6
5
2
Features
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
and Reel
Available Tape cost
at no extra
Devices/Reel
20, 50, 100, 200, 500
500,1000
Reel Size
7”
13”
• impedance matching
• baluns
Transformer Electrical Specifications
Ω
RATIO
Outline Drawing
CASE STYLE: CD542
PRICE: $2.95 ea. QTY (20)
• excellent return loss, 20 dB typ. in dB bandwidth
• excellent amplitude unbalance, 0.1 dB typ.
and phase unbalance, 1 deg. typ. in 1 dB bandwidth
• aqueous washable
• protected under US patent 6,133,525
FREQUENCY
(MHz)
(Secondary/Primary)
INSERTION LOSS*
AMPLITUDE
UNBALANCE
(dB)
Typ.
PHASE
UNBALANCE
(Deg.)
Typ.
3 dB
MHz
4
1 dB
MHz
1 dB
bandwidth
2 dB
bandwidth
1 dB
bandwidth
2 dB
bandwidth
2-775
2-775
2 dB
MHz
3-600
6-250
1
3
0.1
0.3
* Insertion Loss is referenced to mid-band loss, 0.8 dB typ.
PCB Land Pattern
Typical Performance Data
INSERTION
LOSS
(dB)
Suggested Layout,
Tolerance to be within ±.002
�
B
.310
7.87
C
.220
5.59
D
.100
2.54
H
.030
0.76
J
.026
0.66
K
.065
1.65
E
.112
2.84
L
.300
7.62
F
.055
1.40
AMPLITUDE
UNBALANCE
(dB)
PHASE
UNBALANCE
(Deg.)
13.65
17.61
21.91
22.05
19.93
18.41
10.74
8.91
7.73
7.38
0.02
0.00
0.00
0.01
0.03
0.03
0.18
0.23
0.27
0.28
0.03
0.03
0.00
0.26
0.89
1.48
6.98
10.48
14.36
14.98
1.00
3.00
10.00
50.00
175.00
250.00
600.00
700.00
775.00
800.00
Outline Dimensions ( inch )
mm
A
.272
6.91
INPUT
R. LOSS
(dB)
1.53
1.02
0.75
0.80
0.98
1.10
1.44
1.81
2.12
2.51
FREQUENCY
(MHz)
G
.100
2.54
wt
grams
0.20
Demo Board MCL P/N: TB-430
ADT4-1WT
INPUT RETURN LOSS
ADT4-1WT
INSERTION LOSS
50
2.0
40
RETURN LOSS (dB)
Config. A
INSERTION LOSS (dB)
2.4
1.6
1.2
0.8
0.4
0.0
0
155
310
465
620
775
30
20
10
0
0
155
FREQUENCY (MHz)
310
465
620
775
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
Mini-Circuits
®
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
REV. C
M112648
ADT4-1WT
ED-6920/1
HY/TD/CP/AM
071101