Surface Mount
RF Transformer
TC4-19+
50Ω
10 to 1900 MHz
Maximum Ratings
Features
• wideband, 10-1900 MHz
• balanced transmission line with secondary center tap
• plastic base with leads
• aqueous washable
Operating Temperature
-20°C to 85°C
-55°C to 100°C
0.25 W
CASE STYLE: AT224-1
PRICE: $1.09 ea. QTY (100)
Storage Temperature
RF Power
DC Current
30 mA
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
Pin Connections
PRIMARY DOT
PRIMARY
SECONDARY DOT
SECONDARY
6
4
3
1
2
Applications
• PCS
• cellular
SECONDARY CT
Transformer Electrical Specifications
Outline Drawing AT224-1
Ω
FREQUENCY
(MHz)
INSERTION LOSS*
PHASE
UNBALANCE
(Deg.)
AMPLITUDE
UNBALANCE
(dB)
RATIO
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
Typical Performance Data
Suggested Layout,
Tolerance to be within ±.002
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
AMPLITUDE
UNBALANCE
(dB)
PHASE
UNBALANCE
(dB)
inch
Outline Dimensions (
)
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
mm
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
L
.007
0.18
wt
grams
0.15
Config. H
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. A
Mini-Circuits
M102635
TC4-19+
IG/TD/CP
060418
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits ISO 9001 & ISO 14001 Certified