Coaxial
Power Splitter/Combiner
ZFSC-3-1+
3 Way-0° 50Ω
1 to 500 MHz
Maximum Ratings
Features
BNC version shown
CASE STYLE: J17
• wideband, 1 to 500 MHz
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
• low insertion loss, 0.5 dB typ.
• high isolation, 30 dB typ.
• rugged, shielded case
Connectors Model
-55°C to 100°C
1W max.
BNC
ZFSC-3-1+
SMA
N-TYPE
ZFSC-3-1-S+
ZFSC-3-1-N+
0.375W max.
Applications
• VHF/UHF
• instrumentation
• communication system
Permanent damage may occur if any of these limits are exceeded.
BRACKET (OPTION "B")
+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
PORT 1
Electrical Specifications
PORT 2
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 4.8 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
PORT 3
L
M
U
L
M
U
L
M
Max.
U
Max.
L
Max.
M
Max.
U
Max.
fL-fU
Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max. Max.
30 20 30 20 25 18 0.4 0.75 0.5 0.9 0.8 1.2 2.0
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Outline Drawing
1-500
3.0
4.0
0.2
0.3
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
67.00
5.02
5.01
5.02
5.02
5.09
5.02
5.02
5.02
5.02
5.09
5.02
5.01
5.01
5.03
5.10
0.00
0.01
0.00
0.01
0.01
35.42
35.93
36.31
36.50
33.88
35.35
35.81
36.18
36.38
34.07
35.32
36.47
36.81
36.98
33.28
0.03
0.03
0.07
0.10
0.56
1.11
1.06
1.05
1.05
1.07
1.15
1.07
1.06
1.06
1.06
1.15
1.07
1.06
1.06
1.06
1.15
1.07
1.06
1.06
1.07
124.00
181.00
220.00
250.00
310.00
5.16
5.25
5.24
5.28
5.33
5.15
5.22
5.22
5.23
5.25
5.16
5.25
5.25
5.26
5.30
0.01
0.02
0.03
0.06
0.08
30.45
28.12
26.92
26.28
25.41
30.83
28.54
27.33
26.69
25.80
29.38
26.82
25.52
24.76
23.71
1.09
1.49
1.71
1.91
2.16
1.13
1.18
1.21
1.23
1.26
1.07
1.08
1.09
1.09
1.10
1.08
1.09
1.10
1.11
1.12
1.08
1.10
1.11
1.12
1.15
390.00
450.00
470.00
490.00
500.00
5.46
5.57
5.57
5.55
5.60
5.33
5.37
5.35
5.28
5.31
5.42
5.50
5.49
5.43
5.47
0.14
0.20
0.22
0.27
0.29
25.38
25.97
26.08
26.00
25.91
25.74
26.51
26.78
26.98
27.09
23.33
23.79
24.04
24.29
24.49
2.50
2.80
3.14
3.41
3.49
1.26
1.24
1.23
1.22
1.22
1.12
1.13
1.13
1.14
1.14
1.13
1.12
1.12
1.12
1.12
1.17
1.19
1.19
1.19
1.19
inch
Outline Dimensions (
)
mm
A
1.25
B
C
D
E
F
G
H
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
ZFSC-3-1+
TOTAL LOSS
ZFSC-3-1+
ISOLATION
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
50
6.0
5.8
5.6
5.4
5.2
.125 1.688
3.18 42.88 55.37 19.05
1-2 (dB)
1-3 (dB)
2-3 (dB)
S-1(dB)
S-2(dB)
S-3(dB)
44
38
32
26
20
For option B with N-Type connectors, dimension "C" increases
to 0.94 inches.
5.0
0
100
200
300
400
500
0
100
200
300
400
500
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-3-1+
VSWR
1.5
1.4
1.3
1.2
1.1
electrical schematic
#S-VSWR
#1-VSWR
1.0
0
100
200
300
400
500
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+
®
HY/TD/CP/AM
151020
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com