4 Way-0 50
10 to 300 MHz
Power Splitter/Combiner
Coaxial
ZFSC-4-3+
ZFSC-4-3
ZFSC-4-3
INSERTION LOSS
6.0
6.4
6.8
7.2
7.6
8.0
0
50
100
150
200
250
300
FREQUENCY (MHz)
I
N
SER
T
I
O
N
L
O
SS (d
B)
S-1(dB)
S-3(dB)
ZFSC-4-3
ISOLATION
20
28
36
44
52
60
0
50
100
150
200
250
300
FREQUENCY (MHz)
IS
O
L
A
T
IO
N (
d
B
)
1-2(dB)
1-4(dB)
3-4(dB)
ZFSC-4-3
VSWR
1.0
1.1
1.2
1.3
0
50
100
150
200
250
300
FREQUENCY (MHz)
VSW
R
#S-VSWR
#1-VSWR
#3-VSWR
Outline Dimensions ( )
inch
mm
Maximum Ratings
Coaxial Connections
Features
VHF
radio communications
SUM PORT
S
PORT 1
1
PORT 2
2
PORT 3
3
PORT 4
4
wideband, 10 to 300 MHz
high isolation, 38dB typ.
rugged, shielded case
Applications
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Power Input (as a splitter)
1W max.
Internal Dissipation
0.250W max.
Outline Drawing
Splitter Electrical Specifications
L
Typ. Min.
M
Typ. Min.
U
Typ. Min.
FREQ.
RANGE
(MHz)
PHASE
UNBALANCE
(Degrees)
L
Max.
U
Max.
M
Max.
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 6 dB
L
Typ. Max.
M
Typ. Max.
U
Typ. Max.
AMPLITUDE
UNBALANCE
(dB)
L
Max.
U
Max.
M
Max.
f
L
-f
U
10-300
32
28
38
30
38
30
0.5
0.8
0.6
0.9
0.9
1.2
4
6
8
0.1
0.1
0.2
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
REV. A
M98898
ZFSC-4-3
HY/TD/CP
060327
L = low range [f
L
to 10 f
L
]
M = mid range [10 f
L
to f
U
/2] U = upper range [f
U
/2 to f
U
]
Freq.
(MHz)
Insertion Loss
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
S-1
S-2
S-3
1-2
3-4
VSWR
S
Phase
Unbal.
(deg.)
VSWR
2
VSWR
3
VSWR
1
1-4
S-4
VSWR
4
Typical Performance Data
A
B
C
D
E
F
G
H
1.25
1.25
.75
.63
.38
.61
--
.80
31.75
31.75
19.05
16.00
9.65
15.49
--
20.32
J
K
L
M
N
P
Q
wt
.80
.76
.125 1.688
2.18
.75
.07 grams
20.32
19.30
3.18
42.88
55.37
19.05
1.78
85.0
Connectors
Model
Price
Qty.
BNC
ZFSC-4-3-BNC(+) $78.95
(1-9)
SMA
ZFSC-4-3-S(+)
$78.95
(1-9)
BRACKET (OPTION "B")
$2.50
(1+)
BNC version shown
CASE STYLE: G15
10.00
6.39
6.41
6.40
6.39
0.02
34.67
35.91
36.23
0.09
1.07
1.05
1.05
1.05
1.05
26.00
6.52
6.54
6.52
6.53
0.02
35.36
36.25
36.26
0.18
1.05
1.05
1.05
1.05
1.05
50.00
6.54
6.55
6.55
6.55
0.01
35.67
36.63
36.12
0.27
1.05
1.05
1.05
1.05
1.05
70.00
6.61
6.62
6.61
6.61
0.01
36.06
37.13
36.24
0.43
1.06
1.05
1.05
1.05
1.05
100.00
6.66
6.67
6.67
6.67
0.01
36.69
37.84
36.46
0.67
1.07
1.05
1.05
1.05
1.05
115.00
6.69
6.69
6.68
6.69
0.01
37.05
38.23
36.65
0.75
1.08
1.04
1.04
1.05
1.05
130.00
6.71
6.71
6.70
6.72
0.01
37.44
38.74
36.80
0.90
1.08
1.04
1.04
1.04
1.04
142.00
6.73
6.73
6.72
6.74
0.01
37.78
39.18
36.97
0.94
1.07
1.04
1.04
1.04
1.04
150.00
6.74
6.73
6.74
6.75
0.02
38.02
39.51
37.12
0.98
1.07
1.04
1.04
1.05
1.05
176.00
6.79
6.79
6.78
6.80
0.02
38.89
40.81
37.62
1.14
1.07
1.06
1.06
1.06
1.06
202.00
6.85
6.83
6.83
6.86
0.03
39.95
42.54
38.25
1.25
1.08
1.06
1.07
1.07
1.07
228.00
6.88
6.85
6.85
6.89
0.04
40.79
45.03
38.99
1.42
1.11
1.05
1.05
1.06
1.06
254.00
6.91
6.88
6.88
6.92
0.04
41.21
49.09
40.00
1.62
1.12
1.03
1.04
1.04
1.04
284.00
6.95
6.92
6.90
6.96
0.06
40.46
58.31
41.18
1.83
1.12
1.04
1.05
1.06
1.05
300.00
6.98
6.93
6.93
7.00
0.07
39.45
55.01
41.49
1.79
1.13
1.04
1.06
1.06
1.05
electrical schematic
+ 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.
PDF 
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