TCM4-452X+ [MINI]
RF Transformer;
MINI-CIRCUITS 
top hat®
RSurFfaceTMoruant nsformer
TCM4-452X+
50Ω
20 to 4500 MHz
CASE STYLE: DB1627
Features
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
• wide bandwidth 20 to 4500 MHz
• balanced transmission line
• good return loss
-40°C to 85°C
-55°C to 100°C
0.4W
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
• aqueous washable
DC Current
30mA
Permanent damage may occur if any of these limits are exceeded.
Applications
• PCS
• wideband push-pull amplifiers
• cellular
Pin Connections
Reel Size
7”
13”
Devices/Reel
20, 50, 100, 200, 500
1000, 2000
PRIMARY DOT
PRIMARY
3
2
4
6
2,5
1
SECONDARY DOT
SECONDARY
GND
NOT USED
Electrical Specifications at 25°C
Outline Drawing
Parameter
Frequency (MHz)
Min.
Typ.
Max.
Unit
4
—
1.5
0.5
5
Impedance Ratio (secondary/primary)
Frequency Range
20
—
—
—
4500
3.0
—
MHz
dB
20 - 4500
20 - 4500
20 - 4500
Insertion Loss
dB
Amplitude Unbalance
Phase Unbalance
—
Degree
Total thickness: .013 inches MAX.
Typical Performance Data
Electrical Schematic
PCB Land Pattern
FREQ.
(MHz)
INS.
LOSS
(dB)
INPUT
R. LOSS*
(dB)
AMP.
UNBAL.
(dB)
PHASE
UNBAL.
(deg.)
10.0
500.0
1.54
1.44
1.45
1.55
1.60
1.57
1.54
1.58
1.73
1.82
15.59
16.30
12.89
10.82
10.63
12.23
15.11
17.73
21.68
33.66
0.04
0.02
0.03
0.01
0.17
0.19
0.22
0.61
0.85
0.89
0.06
2.83
4.85
6.26
6.46
5.36
4.87
2.79
0.04
0.58
1000.0
1500.0
2000.0
2500.0
3000.0
3500.0
4000.0
4500.0
Suggested Layout,
Tolerance to be within .002
inch
Outline Dimensions (
)
mm
A
.160
4.06
B
C
.160
4.06
D
.050
1.27
E
.040
1.02
F
.150
3.81
.025
0.64
* Note: 0.25 PF capacitor is suggested to be added at primary to ground to
improve return loss.
G
.028
0.71
H
.065
1.65
J
.190
4.83
K
.030
0.76
wt
grams
0.15
TCM4-452X+
INSERTION LOSS
TCM4-452X+
INPUT RETURN LOSS
2.0
40
35
30
25
20
15
10
5
Config. H
1.8
1.6
1.4
1.2
1.0
0
0
500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
Demo Board MCL P/N:TB-697+
Suggested PCB Layout (PL-381)
0
500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
TCM4-452X+
TCM4-452X+
PHASE UNBALANCE
AMPLITUDE UNBALANCE
7
6
5
4
3
2
1
0
2.0
1.5
1.0
0.5
0.0
0
500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
0
500 1000 1500 2000 2500 3000 3500 4000 4500
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
TCM4-452X+
ED-14833/2B
DJ/TD/CP/AM
151012
®
Mini-Circuits
Page 1 of 1
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