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Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet 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.
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IF/RF MICROWAVE COMPONENTS
RF Transformer
Surface Mount
ADT4-1T+
ADT4-1T
CASE STYLE: CD542
PRICE: $3.95 ea. QTY (10-49)
Outline Dimensions (
)
inch
mm
Maximum Ratings
Pin Connections
Features
Applications
Operating Temperature
-20°C to 85°C
Storage Temperature
-55°C to 100°C
RF Power
1W
DC Current
30mA
Outline Drawing
Transformer Electrical Specifications
REV. D
M112648
ADT4-1T
ED-6921/1
HY/TD/CP/AM
071101
Typical Performance Data
Config. A
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
A
B
C
D
E
F
G
.272
.310
.220
.100
.112
.055
.100
6.91
7.87
5.59
2.54
2.84
1.40
2.54
H
J
K
L
wt
.030
.026
.065
.300
grams
0.76
0.66
1.65
7.62
0.20
excellent return loss, 25 dB typ.
excellent amplitude unbalance, 0.2 dB typ.
phase unbalance, 1 deg. typ. in 1 dB bandwidth
high RF power up to 1 watt
aqueous washable
protected under US patent 6,133,525
impedance matching
baluns
RATIO
(Secondary/Primary)
FREQUENCY
(MHz)
INSERTION LOSS*
PHASE
UNBALANCE
(Deg.)
Typ.
AMPLITUDE
UNBALANCE
(dB)
Typ.
3 dB
MHz
2 dB
MHz
1 dB
MHz
1 dB
bandwidth
2 dB
bandwidth
1 dB
bandwidth
2 dB
bandwidth
4
9-625
10-550
14-500
1
3
0.2
0.3
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
AMPLITUDE
UNBALANCE
(dB)
PHASE
UNBALANCE
(Deg.)
PRIMARY DOT
3
PRIMARY
1
SECONDARY DOT
4
SECONDARY
6
SECONARY CT
5
NOT USED
2
50
9 to 625 MHz
* Insertion Loss is referenced to mid-band loss, 0.55 dB typ.
Demo Board MCL P/N: TB-430
6.00
0.86
12.61
0.00
0.01
10.00
0.77
16.33
0.00
0.04
50.00
0.54
24.74
0.00
0.09
100.00
0.52
26.69
0.02
0.29
150.00
0.53
25.75
0.04
0.37
275.00
0.58
20.40
0.16
1.00
350.00
0.63
17.49
0.25
1.59
425.00
0.75
14.94
0.33
2.45
500.00
0.91
12.72
0.44
3.89
625.00
1.63
9.71
0.54
7.70
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
ADT4-1T
INSERTION LOSS
0.0
0.4
0.8
1.2
1.6
2.0
0
125
250
375
500
625
FREQUENCY (MHz)
IN
S
E
R
TI
O
N
LO
S
(d
B
)
ADT4-1T
INPUT RETURN LOSS
0
10
20
30
40
50
0
125
250
375
500
625
FREQUENCY (MHz)
R
E
TU
R
N
LO
S
(d
B
)
Permanent damage may occur if any of these limits are exceeded.