
L = low range [f
L to 10 fL]
M = mid range [10 f
L to fU/2]
U= upper range [f
U/2 to fU]
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 6.0 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
f
L-fU
LM
U
L
M
U
L
M
U
L
M
U
Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. 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
ISO 9001 ISO 14001 CERTIFIED
Mini-Circuits
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
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Freq.
(MHz)
Insertion Loss
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase
Unbal.
(deg.)
VSWR
S
VSWR
1
VSWR
2
VSWR
3
VSWR
4
S-1
S-2
S-3
S-4
1-2
2-3
3-4
Outline Dimensions (
)
inch
mm
Typical Performance Data
Electrical Specications
Maximum Ratings
Coaxial Connections
SUM PORT
S
PORT 1
1
PORT 2
2
PORT 3
3
PORT 4
4
Operating Temperature
-55°C to 100°C
Storage Temperature
-55°C to 100°C
Power Input (as a splitter)
1W max.
Internal Dissipation
0.250W max.
Outline Drawing
ZSC-4-3-75+
ZSC-4-3-75
4 Way-0
° 75
0.25 to 250 MHz
Power Splitter/Combiner
REV. A
M96470
ZFSC-4-3-75
HY/TD/CP
071005
Coaxial
AB
C
D
E
F
G
H
J
2.25
1.38
1.24
.50
.150
3.100
.138
1.238
3.25
57.15
35.05
31.50
12.70
3.81
78.74
3.51
31.45
82.55
KL
M
N
P
Q
R
S
wt
.10
.48
1.13
1.78
.36
.69
1.01
.150 grams
2.54
12.19
28.70
45.21
9.14
17.53
25.65
3.81
92.0
Features
wideband, 0.25 to 250 MHz
high isolation, 30 dB typ.
good VSWR, 1.20:1 typ.
rugged shielded case
Applications
HF/VHF
radio communication
ZSC-4-3-75
INSERTION LOSS
6.0
6.2
6.4
6.6
6.8
0
50
100
150
200
250
FREQUENCY (MHz)
INSERTION
LOSS
(dB)
S-1(dB)
S-3(dB)
ZSC-4-3-75
ISOLATION
0
10
20
30
40
50
60
70
80
0
50
100
150
200
250
FREQUENCY (MHz)
ISOLATION
(dB)
1-2(dB)
2-3(dB)
3-4(dB)
ZSC-4-3-75
VSWR
1.00
1.20
1.40
1.60
0
50
100
150
200
250
FREQUENCY (MHz)
VSWR
#S-VSWR
#1-VSWR
#3-VSWR
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Sufx identies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualications.
Connectors Model
Price
Qty.
BNC
ZSC-4-3-75(+)
$56.95
(1-9)
BRACKET(OPTION "B")
$5.00
(1+)
BRACKET(OPTION "BR")
$1.50
(1+)
CASE STYLE: N27
0.25
6.14
6.19
6.15
6.18
0.05
33.11
58.52
33.87
0.34
1.17
1.14
1.15
1.14
1.00
6.09
6.14
6.11
6.15
0.05
39.99
63.40
39.46
0.20
1.14
1.07
1.50
6.12
6.15
6.11
6.14
0.05
41.72
61.43
41.10
0.13
1.14
1.06
10.00
6.08
6.14
6.12
6.13
0.06
43.38
51.55
43.62
0.05
1.15
1.03
55.00
6.11
6.18
6.16
6.19
0.09
35.81
38.88
35.25
0.05
1.15
1.05
100.00
6.13
6.22
6.19
0.09
32.37
34.38
31.67
0.30
1.14
1.08
110.00
6.16
6.21
6.18
6.22
0.06
31.82
33.64
31.15
0.25
1.13
1.08
1.09
1.08
1.09
120.00
6.17
6.23
6.21
0.06
31.44
33.07
30.68
0.08
1.13
1.09
1.10
1.09
135.00
6.19
6.23
6.21
6.22
0.03
30.83
32.22
30.07
0.29
1.12
1.11
155.00
6.22
6.24
6.23
6.24
0.03
30.27
31.27
29.40
0.31
1.11
1.13
1.12
1.13
185.00
6.26
6.27
6.25
6.26
0.02
29.83
30.10
28.83
0.46
1.11
1.16
205.00
6.28
6.26
6.23
6.24
0.04
29.72
29.51
28.60
0.39
1.11
1.19
1.18
1.19
230.00
6.33
6.28
6.26
6.29
0.07
29.78
28.88
28.50
0.51
1.12
1.22
240.00
6.36
6.30
6.29
6.30
0.07
29.88
28.72
28.56
0.58
1.13
1.23
250.00
6.37
6.32
6.30
0.07
30.03
28.48
28.58
0.67
1.14
1.24
1.25
1.24
1.25
electrical schematic