Coaxial
ZFSC-4-3+
Power Splitter/Combiner
4 Way-0° 50Ω 10 to 300 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
Features
BNC version shown
CASE STYLE: G15
• wideband, 10 to 300 MHz
• high isolation, 38 dB typ.
• rugged shielded case
-55°C to 100°C
-55°C to 100°C
1W max.
Connectors Model
BNC
SMA
ZFSC-4-3-BNC+
ZFSC-4-3-S+
BRACKET (OPTION "B")
0.250W max.
Applications
• VHF
• radio communication
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Coaxial Connections
SUM PORT
S
1
2
3
4
PORT 1
Electrical Specifications
PORT 2
PORT 3
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 6.0 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
PORT 4
L
M
U
L
M
U
L
M
U
L
M
U
fL-fU
Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max.
32 28 38 30 38 30 0.5 0.8 0.6 0.9 0.9 1.2
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Max. Max. Max.
Max. Max. Max.
0.1 0.1 0.2
10-300
4
6
8
L = low range [fL to 10 fL]
Outline Drawing
Typical Performance Data
Freq.
(MHz)
Total Loss1
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR VSWR
Unbal.
(deg.)
S
1
2
3
4
S-1
S-2
S-3
S-4
1-2
1-4
3-4
10.00
26.00
50.00
70.00
100.00
6.39
6.52
6.54
6.61
6.66
6.41
6.54
6.55
6.62
6.67
6.40
6.52
6.55
6.61
6.67
6.39
6.53
6.55
6.61
6.67
0.02
0.02
0.01
0.01
0.01
34.67 35.91 36.23
35.36 36.25 36.26
35.67 36.63 36.12
36.06 37.13 36.24
36.69 37.84 36.46
0.09
0.18
0.27
0.43
0.67
1.07
1.05
1.05
1.06
1.07
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
115.00
130.00
142.00
150.00
176.00
6.69
6.71
6.73
6.74
6.79
6.69
6.71
6.73
6.73
6.79
6.68
6.70
6.72
6.74
6.78
6.69
6.72
6.74
6.75
6.80
0.01
0.01
0.01
0.02
0.02
37.05 38.23 36.65
37.44 38.74 36.80
37.78 39.18 36.97
38.02 39.51 37.12
38.89 40.81 37.62
0.75
0.90
0.94
0.98
1.14
1.08
1.08
1.07
1.07
1.07
1.04
1.04
1.04
1.04
1.06
1.04
1.04
1.04
1.04
1.06
1.05
1.04
1.04
1.05
1.06
1.05
1.04
1.04
1.05
1.06
202.00
228.00
254.00
284.00
300.00
6.85
6.88
6.91
6.95
6.98
6.83
6.85
6.88
6.92
6.93
6.83
6.85
6.88
6.90
6.93
6.86
6.89
6.92
6.96
7.00
0.03
0.04
0.04
0.06
0.07
39.95 42.54 38.25
40.79 45.03 38.99
41.21 49.09 40.00
40.46 58.31 41.18
39.45 55.01 41.49
1.25
1.42
1.62
1.83
1.79
1.08
1.11
1.12
1.12
1.13
1.06
1.05
1.03
1.04
1.04
1.07
1.05
1.04
1.05
1.06
1.07
1.06
1.04
1.06
1.06
1.07
1.06
1.04
1.05
1.05
inch
Outline Dimensions (
)
mm
A
1.25
B
C
D
E
F
G
--
H
.80
1. Total Loss = Insertion Loss + 6dB splitter loss.
1.25
.75
.63
.38
.61
ZFSC-4-3+
TOTAL LOSS
ZFSC-4-3+
ISOLATION
31.75 31.75 19.05 16.00
9.65 15.49
-- 20.32
8.0
7.6
7.2
6.8
6.4
60
J
.80
K
.76
L
M
N
2.18
P
.75
Q
wt
.07 grams
1.78 85.0
1-2(dB)
1-4(dB)
3-4(dB)
S-1(dB) S-3(dB)
.125 1.688
3.18 42.88 55.37 19.05
52
44
36
28
20
20.32 19.30
6.0
0
0
50
100
150
200
250
300
50
100
150
200
250
300
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-4-3+
VSWR
1.3
1.2
1.1
#S-VSWR
#1-VSWR
#3-VSWR
electrical schematic
1.0
0
50
100
150
200
250
300
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. C
M151107
ZFSC-4-3+
HY/TD/CP/AM
151020
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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