Coaxial
PowerSplitter/Combiner
ZFSC-3-4+
3 Way-0° 50Ω
1 to 1000 MHz
Maximum Ratings
Features
BNC version shown
CASE STYLE: J17
Connectors Model
• very wideband, 1 to 1000 MHz
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
• low insertion loss, 0.7 dB typ.
• rugged shielded case
-55°C to 100°C
1W max.
BNC
SMA
ZFSC-3-4+
ZFSC-3-4-S+
ZFSC-3-4-N+
0.375W max.
N-TYPE
Applications
• cellular
Permanent damage may occur if any of these limits are exceeded.
BRACKET (OPTION "B")
• instrumentation
• communication system
+RoHS Compliant
Coaxial Connections
SUM PORT
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
S
1
2
3
PORT 1
PORT 2
Electrical Specifications
PORT 3
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 4.8 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
L
M
U
L
M
U
L
M
U
L
M
U
Outline Drawing
fL-fU
Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max. Max.
35 20 20 18 20 17 0.2 0.5 0.7 1.4 1.0 2.0 3.0
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Max.
Max.
10
Max.
0.2
Max.
Max.
0.9
1-1000
6.0
0.4
L = low range [fL to 10 fL]
Typical Performance Data
Freq.
(MHz)
Total Loss1
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR
Unbal.
(deg.)
S
1
2
3
S-1
S-2
S-3
1-2
1-3
2-3
1.00
4.20
7.00
10.00
127.00
5.10
5.02
5.00
5.01
5.16
5.09
5.02
5.01
5.02
5.17
5.10
5.02
5.01
5.01
5.16
0.01
0.00
0.01
0.01
0.01
33.57
32.41
32.31
32.25
28.28
32.78
32.18
32.19
32.20
28.76
33.29
32.26
32.24
32.23
28.53
0.07
0.06
0.06
0.08
0.18
1.20
1.15
1.14
1.14
1.22
1.18
1.13
1.13
1.13
1.16
1.18
1.13
1.13
1.13
1.16
1.18
1.13
1.13
1.13
1.16
244.00
361.00
440.00
500.00
590.00
5.27
5.47
5.51
5.62
5.68
5.23
5.44
5.41
5.48
5.53
5.24
5.43
5.45
5.54
5.56
0.04
0.04
0.11
0.15
0.15
24.51
22.37
21.40
21.02
20.99
25.17
23.12
22.18
21.83
21.88
24.87
22.78
21.86
21.51
21.58
0.59
0.36
0.43
0.48
0.43
1.36
1.48
1.54
1.57
1.57
1.21
1.27
1.30
1.32
1.35
1.21
1.27
1.30
1.33
1.36
1.21
1.27
1.30
1.32
1.34
inch
Outline Dimensions (
)
710.00
800.00
880.00
960.00
1000.00
5.60
5.52
5.57
5.86
6.15
5.49
5.33
5.36
5.61
5.82
5.43
5.31
5.33
5.59
5.86
0.17
0.20
0.24
0.28
0.33
22.20
24.69
27.31
22.98
19.85
23.34
26.47
30.51
24.19
20.65
23.02
25.94
28.51
22.90
19.71
0.76
1.01
0.98
1.16
2.67
1.46
1.30
1.15
1.29
1.51
1.37
1.35
1.31
1.24
1.19
1.37
1.35
1.30
1.22
1.16
1.35
1.33
1.27
1.19
1.14
mm
A
B
C
D
E
F
G
H
1.25
1.25
.75
.63
.38 1.000
.125 1.000
3.18 25.40
31.75 31.75 19.05 16.00
9.65 25.40
1. Total Loss = Insertion Loss + 4.8dB splitter loss.
J
--
--
K
--
--
L
M
N
2.18
P
.75
Q
wt
.07 grams
1.78 75.0
.125 1.688
3.18 42.88 55.37 19.05
TOTAL LOSS
ISOLATION
40
6.5
6.1
5.7
5.3
4.9
1-2 (dB)
1-3 (dB)
2-3 (dB)
S-1(dB)
S-2(dB)
S-3(dB)
For option B with N-Type connectors, dimension "C" increases
to 0.94 inches.
34
28
22
16
10
4.5
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
VSWR
2.0
1.8
1.6
1.4
1.2
electrical schematic
#S-VSWR
#1-VSWR
1.0
0
200
400
600
800
1000
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. E
M151107
ZFSC-3-4+
HY/TD/CP/AM
151020
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com