Coaxial
Power Splitter/Combiner
ZSC-3-1-75+
3 Way-0° 75Ω
1 to 200 MHz
Maximum Ratings
Features
BNC version shown
CASE STYLE: P25
• low insertion loss, 0.4 dB typ.
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
• high isolation, 35 dB typ.
Connectors Model
-55°C to 100°C
1W max.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.5 deg. typ.
• rugged shielded case
BNC
ZSC-3-1-75+
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
0.375W max.
Permanent damage may occur if any of these limits are exceeded.
Applications
• VHF
• instrumentation
• radio communication system
+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
Splitter Electrical Specifications
PORT 2
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
Max.
U
Max.
L
Max.
M
Max.
U
Max.
fL-fU
Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max. Max.
35 30 35 25 35 25 0.6 1.0 0.4 0.7 0.6 1.0 2.0
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Outline Drawing
1-200
3.0
4.0
0.15
0.2
0.3
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
5.00
8.00
17.00
38.00
4.98
4.94
4.94
4.93
4.96
4.93
4.89
4.93
4.92
4.96
4.92
4.91
4.92
4.93
4.95
0.06
0.05
0.02
0.01
0.02
40.87
48.19
48.35
47.87
47.63
42.29
49.46
49.54
48.58
47.55
28.44
35.58
37.59
40.94
43.21
0.48
0.32
0.17
0.15
0.11
1.20
1.19
1.19
1.20
1.23
1.16
1.13
1.13
1.14
1.17
1.19
1.13
1.13
1.14
1.17
1.18
1.12
1.13
1.13
1.16
59.00
80.00
89.00
100.00
124.00
4.98
5.00
5.03
5.02
5.09
4.98
5.02
5.03
5.04
5.10
4.99
5.00
5.00
5.04
5.10
0.01
0.02
0.03
0.02
0.02
49.01
53.96
56.96
57.39
47.00
46.07
44.90
44.03
42.71
40.05
44.52
45.44
45.65
45.36
42.84
0.19
0.09
0.19
0.29
0.22
1.27
1.32
1.35
1.38
1.45
1.21
1.25
1.27
1.30
1.35
1.20
1.25
1.27
1.30
1.35
1.20
1.25
1.27
1.29
1.35
inch
Outline Dimensions (
)
mm
156.00
180.00
188.00
196.00
200.00
5.14
5.20
5.26
5.28
5.29
5.17
5.24
5.28
5.31
5.30
5.14
5.23
5.26
5.28
5.27
0.03
0.03
0.02
0.03
0.03
39.72
35.87
34.82
33.80
33.27
36.08
33.63
32.87
32.08
31.63
38.10
34.83
33.92
33.04
32.52
0.22
0.35
0.10
0.28
0.28
1.55
1.63
1.66
1.69
1.71
1.42
1.47
1.49
1.50
1.51
1.42
1.46
1.48
1.49
1.50
1.42
1.46
1.48
1.49
1.50
A
2.25
B
1.38
C
1.24
D
.50
E
F
G
H
.150 3.100
3.81 78.74
.138 1.238
3.51 31.45
57.15 35.05 31.50 12.70
J
3.25
82.55
K
.10
L
.78
M
1.47
N
--
--
P
.38
Q
1.00
S
wt
.150 grams
3.81 110.0
2.54 19.81 37.34
9.65 25.40
1. Total Loss = Insertion Loss + 4.8dB splitter loss.
ISOLATION
TOTAL LOSS
70
5.5
5.3
5.1
4.9
4.7
1-2 (dB)
1-3 (dB)
2-3 (dB)
S-1(dB)
S-2(dB)
S-3(dB)
60
50
40
30
20
4.5
0
40
80
120
160
200
0
40
80
120
160
200
FREQUENCY (MHz)
FREQUENCY (MHz)
VSWR
2.0
electrical schematic
#S-VSWR
#1-VSWR
1.8
1.6
1.4
1.2
1.0
0
40
80
120
160
200
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. D
M153690
ZSC-3-1-75+
HY/TD/CP/AM
151116
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com