top hat®
Surface Mount
RF Transformer
TC4-19X+
50Ω
10 to 1900 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
Features
• wideband, 10-1900 MHz
• balanced transmission line with secondary center tap
• plastic base with leads
• aqueous washable
-20°C to 85°C
-55°C to 100°C
0.25 W
CASE STYLE: AT1521
DC Current
30 mA
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
PRIMARY DOT
PRIMARY
6
4
3
1
2
Applications
• PCS
• cellular
SECONDARY DOT
SECONDARY
SECONDARY CT
Reel Size
7”
13”
Devices/Reel
20, 50, 100, 200, 500
1000, 2000
Transformer Electrical Specifications
Outline Drawing AT1521
Ω
FREQ.
(MHz)
INSERTION LOSS*
PHASE
UNBALANCE
(Deg.)
AMPLITUDE
UNBALANCE
(dB)
RATIO
(Secondary/Primary)
Typ.
Typ.
3 dB
MHz
2 dB
MHz
1 dB
MHz
1 dB
bandwidth
2 dB
bandwidth
1 dB
bandwidth
2 dB
bandwidth
4
10-1900
10-1900
20-1000
30-700
4
6
0.3
0.5
* Insertion Loss is referenced to mid-band loss, 1.0 dB typ.
PCB Land Pattern
Note:
1. Case Material Plastic
2. Termination Finish: Tin plate over Nickel plate.
3. Lead #1 identiꢀer shall be located in the
cross-hatched area shown, on bottom view.
Identiꢀer may be either a molded or marked feature.
4.Top-Hat total thickness: 0.13 inches max.
Typical Performance Data
Suggested Layout,
Tolerance to be within .002
FREQUENCY
INSERTION
INPUT
R. LOSS
(dB)
AMPLITUDE
UNBALANCE
(dB)
PHASE
(MHz)
LOSS
UNBALANCE
(dB)
(deg.)
inch
Outline Dimensions ( mm
)
10.00
50.00
1.24
1.04
0.99
1.13
1.24
1.55
1.80
2.34
2.64
2.99
16.03
19.54
19.98
14.68
12.43
9.92
8.83
7.69
7.26
7.01
0.06
0.04
0.01
0.02
0.17
0.49
0.85
1.47
1.74
1.95
0.03
0.39
0.83
3.20
3.49
3.74
3.53
3.59
4.43
4.99
A
.150
3.81
B
.150
3.81
C
.160
4.06
D
.050
1.27
E
.040
1.02
F
.025
0.64
100.00
500.00
700.00
1000.00
1200.00
1500.00
1700.00
1900.00
G
.028
0.71
H
.065
1.65
J
.190
4.83
K
.030
0.76
wt
grams
0.15
INSERTION LOSS
INPUT RETURN LOSS
5.0
40
30
20
10
0
4.0
3.0
2.0
1.0
0.0
Config. H
0
500
1000
FREQUENCY (MHz)
1500
2000
0
500
1000
1500
2000
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
REV. A
M151107
TC4-19X+
IG/TD/CP/AM
®
Mini-Circuits
151222
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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