Coaxial
Power Splitter/Combiner
ZSC-4-3+
4 Way-0° 50Ω
0.25 to 250 MHz
Maximum Ratings
Features
CASE STYLE: N27
Connectors Model
• wideband, 0.25 to 250 MHz
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
• high isolation, 30 dB typ.
• good VSWR, 1.20:1 typ.
• rugged shielded case
BNC
ZSC-4-3+
-55°C to 100°C
1W max.
BRACKET(OPTION "B")
BRACKET(OPTION "BR")
0.250W max.
Permanent damage may occur if any of these limits are exceeded.
Applications
• HF/VHF
• amateur radio
Coaxial Connections
SUM PORT
PORT 1
PORT 2
PORT 3
PORT 4
S
1
2
3
4
Electrical Specifications
FREQ.
RANGE
(MHz)
ISOLATION
INSERTION LOSS (dB)
ABOVE 6.0 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
(dB)
L
M
U
L
M
U
L
M
U
L
M
U
fL-fU
Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max.
Max. Max. Max.
10
Max. Max. Max.
0.15 0.20 0.25
0.25-250
33
20
30 20
27 20
0.4 0.7
0.5 0.75 0.7 1.2
4
6
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
U= upper range [fU/2 to fU]
Outline Drawing
Typical Performance Data
Freq.
(MHz)
Total Loss1
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
VSWR VSWR VSWR VSWR VSWR
S
1
2
3
4
S-1
S-2
S-3
S-4
1-2
2-3
3-4
0.25
0.50
1.00
5.00
10.00
6.35
6.33
6.34
6.25
6.25
6.38
6.36
6.35
6.24
6.25
6.38
6.36
6.36
6.25
6.24
6.38
6.36
6.36
6.25
6.24
0.03
0.03
0.02
0.01
0.01
25.15
27.67
29.04
31.59
31.74
50.85
50.90
50.78
50.05
48.80
26.87
29.42
30.51
31.90
31.71
1.23
1.13
1.09
1.05
1.05
1.38
1.22
1.17
1.09
1.07
1.38
1.22
1.17
1.09
1.07
1.35
1.21
1.16
1.08
1.07
1.35
1.20
1.16
1.08
1.07
20.00
33.60
50.00
75.20
100.00
6.28
6.28
6.32
6.38
6.43
6.27
6.27
6.33
6.39
6.45
6.28
6.27
6.32
6.39
6.43
6.27
6.28
6.33
6.39
6.45
0.01
0.01
0.01
0.01
0.02
31.11
29.98
28.72
27.10
26.05
45.32
42.15
39.38
36.59
34.88
30.91
29.70
28.38
26.71
25.63
1.06
1.09
1.12
1.15
1.17
1.07
1.07
1.07
1.07
1.07
1.07
1.08
1.08
1.09
1.10
1.07
1.08
1.08
1.10
1.11
1.07
1.07
1.08
1.08
1.08
150.10
175.10
200.00
225.00
250.00
6.47
6.50
6.50
6.53
6.64
6.49
6.53
6.54
6.57
6.70
6.50
6.52
6.54
6.56
6.67
6.48
6.51
6.51
6.54
6.64
0.03
0.03
0.04
0.04
0.06
25.56
26.21
27.54
29.03
28.42
33.18
33.08
33.57
34.68
36.51
25.13
25.85
27.46
30.13
31.57
1.17
1.13
1.10
1.13
1.24
1.05
1.04
1.05
1.10
1.17
1.09
1.08
1.08
1.11
1.18
1.10
1.09
1.09
1.12
1.18
1.07
1.05
1.05
1.09
1.15
inch
1. Total Loss = Insertion Loss + 6dB splitter loss.
Outline Dimensions (
)
mm
ZSC-4-3+
TOTAL LOSS
ZSC-4-3+
ISOLATION
A
B
C
D
E
F
G
H
J
6.8
6.6
6.4
6.2
80
70
60
50
40
30
20
10
0
2.25
1.38
1.24
.50
.150 3.100
3.81 78.74
.138 1.238
3.51 31.45 82.55
3.25
57.15 35.05 31.50 12.70
S-1(dB)
S-3(dB)
1-2(dB)
2-3(dB)
3-4(dB)
K
.10
L
.48
M
1.13
N
1.78
P
Q
R
1.01
S
wt
.150 grams
3.81 92.0
.36
.69
2.54 12.19 28.70 45.21
9.14 17.53 25.65
6.0
0
0
50
100
150
200
250
50
100
150
200
250
FREQUENCY (MHz)
FREQUENCY (MHz)
ZSC-4-3+
VSWR
1.60
1.40
1.20
#S-VSWR
#1-VSWR
#3-VSWR
electrical schematic
1.00
0
50
100
150
200
250
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
®
M151107
ZFSC-4-3+
HY/TD/CP/AM
151019
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com