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