Coaxial
ZSC-4-3-75+
ZSC-4-3-75
PowerSplitter/Combiner
4 Way-0° 75Ω
0.25 to 250 MHz
MaximumRatings
Features
CASESTYLE:N27
• wideband, 0.25 to 250 MHz
• high isolation, 30dB typ.
• good VSWR, 1.20:1 typ
• rugged, shielded case
OperatingTemperature
StorageTemperature
Power Input (as a splitter)
InternalDissipation
-55°C to 100°C
Connectors
BNC
Model
ZSC-4-3-75
BRACKET (OPTION“B”)
BRACKET (OPTION“BR”)
Price
Qty.
(1-9)
(1+)
(1+)
-55°C to 100°C
1W max.
$56.95
$5.00
$1.50
0.250W max.
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
Applications
• HF/VHF
• radiocommunication
CoaxialConnections
SeeourwebsiteforRoHSCompliancemethodologiesand
qualifications.
SUMPORT
PORT 1
PORT 2
PORT 3
PORT 4
S
1
2
3
4
SplitterElectricalSpecifications
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTIONLOSS(dB)
ABOVE6dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
L
M
U
L
M
U
L
M
U
L
M
U
Typ. Min.
Max.
Max.
fL-fU
Typ. Min.
Typ. Min. Typ. Max. Typ. Max. Typ. Max.
Max.
Max.
Max.
Max.
0.25-250
28 20
30 20
27 20 0.4 0.8
0.3 0.7 0.5 1.0
1
2
3
0.15
0.20
0.25
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
U = upper range [fU/2 to fU]
OutlineDrawing
TypicalPerformanceData
Freq.
(MHz)
InsertionLoss
(dB)
S-3 S-4
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase
Unbal.
(deg.)
VSWR VSWR VSWR VSWR VSWR
S
1
2
3
4
S-1
S-2
1-2
2-3
3-4
0.25
1.00
1.50
10.00
55.00
100.00
110.00
120.00
135.00
155.00
185.00
205.00
230.00
240.00
250.00
6.14
6.09
6.12
6.08
6.11
6.13
6.16
6.17
6.19
6.22
6.26
6.28
6.33
6.36
6.37
6.19
6.14
6.15
6.14
6.18
6.22
6.21
6.23
6.23
6.24
6.27
6.26
6.28
6.30
6.32
6.15
6.11
6.11
6.12
6.16
6.19
6.18
6.21
6.21
6.23
6.25
6.23
6.26
6.29
6.30
6.18
6.15
6.14
6.13
6.19
6.19
6.22
6.21
6.22
6.24
6.26
6.24
6.29
6.30
6.30
0.05
0.05
0.05
0.06
0.09
0.09
0.06
0.06
0.03
0.03
0.02
0.04
0.07
0.07
0.07
33.11 58.52 33.87
39.99 63.40 39.46
41.72 61.43 41.10
43.38 51.55 43.62
35.81 38.88 35.25
32.37 34.38 31.67
31.82 33.64 31.15
31.44 33.07 30.68
30.83 32.22 30.07
30.27 31.27 29.40
29.83 30.10 28.83
29.72 29.51 28.60
29.78 28.88 28.50
29.88 28.72 28.56
30.03 28.48 28.58
0.34
0.20
0.13
0.05
0.05
0.30
0.25
0.08
0.29
0.31
0.46
0.39
0.51
0.58
0.67
1.17
1.14
1.14
1.15
1.15
1.14
1.13
1.13
1.12
1.11
1.11
1.11
1.12
1.13
1.14
1.14
1.07
1.06
1.03
1.05
1.08
1.08
1.09
1.11
1.13
1.16
1.19
1.22
1.23
1.24
1.15
1.07
1.06
1.03
1.05
1.08
1.09
1.10
1.11
1.13
1.16
1.19
1.22
1.23
1.25
1.14
1.07
1.06
1.03
1.05
1.08
1.08
1.09
1.11
1.12
1.16
1.18
1.22
1.23
1.24
1.14
1.07
1.06
1.03
1.05
1.08
1.09
1.09
1.11
1.13
1.16
1.19
1.22
1.23
1.25
ZSC-4-3-75
INSERTION LOSS
ZSC-4-3-75
ISOLATION
80
70
60
50
40
30
20
10
0
6.8
6.6
6.4
6.2
inch
1-2(dB)
2-3(dB)
3-4(dB)
Outline Dimensions (
)
S-1(dB)
S-3(dB)
mm
A
2.25
B
C
D
E
F
G
H
J
3.25
1.38
1.24
.50
.150 3.100
.138 1.238
3.51 31.45 82.55
57.15 35.05 31.50 12.70
3.81 78.74
Q
R
K
.10
L
M
N
P
S
wt
.150 grams
3.81
92.0
.48
1.13
1.78
.36
.69
1.01
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-4-3-75
VSWR
1.60
1.40
1.20
electrical schematic
#S-VSWR
#1-VSWR
#3-VSWR
1.00
0
50
100
150
200
250
FREQUENCY (MHz)
®
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REV.
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ZSC-4-3-75
HY/TD/CP
051129
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