Coaxial
ZFSC-3-4-75+
ZFSC-3-4-75
Power Splitter/Combiner
3 Way-0° 75Ω
1 to 1000 MHz
Maximum Ratings
Features
• very wideband, 1 to 1000 MHz
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
CASE STYLE: J17
• low insertion loss, 0.4 dB typ.
• good isolation, 27 dB typ.
• rugged shielded case
-55°C to 100°C
1W max.
Connectors Model
BNC ZFSC-3-4-75
BRACKET (OPTION "B")
Price
$59.95
$2.50
Qty.
(1-9)
(1+)
0.5W max.
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
Applications
• cellular
• instrumentation
• communication system
Coaxial Connections
SUMPORT
PORT 1
PORT 2
PORT 3
S
1
2
3
Splitter Electrical Specifications
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
U
L
M
U
fL-fU
Typ. Min Typ. Min Typ. Min Typ. Max. Typ. Max. Typ. Max. Max.
Max.
Max.
10
Max.
0.5
Max.
Max.
0.9
Outline Drawing
1-1000
34
22
27
17
23
15
0.2 0.5 0.4 1.2 1.2 2.0
U= upper range [fU/2 to fU]
3
6
0.7
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
Typical Performance Data
Freq.
(MHz)
Insertion Loss
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR
(dB)
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
127.00
5.05
5.00
4.98
4.97
5.04
5.05
4.98
4.98
4.97
5.04
5.05
5.00
4.98
4.98
5.04
0.00
0.02
0.00
0.01
0.00
30.83
36.92
37.49
37.49
32.23
31.08
36.71
37.09
37.02
32.37
29.50
36.08
37.06
37.30
32.81
0.03
0.04
0.06
0.04
0.12
1.10
1.04
1.03
1.02
1.01
1.26
1.14
1.13
1.12
1.11
1.27
1.14
1.13
1.12
1.11
1.27
1.14
1.13
1.12
1.11
244.00
361.00
440.00
500.00
590.00
5.08
5.14
5.17
5.22
5.30
5.06
5.10
5.11
5.13
5.18
5.08
5.14
5.17
5.21
5.30
0.02
0.04
0.06
0.09
0.13
28.25
25.73
24.53
23.79
22.91
28.57
26.13
24.94
24.25
23.42
28.74
26.28
25.09
24.41
23.58
0.20
0.46
0.43
0.55
0.59
1.02
1.03
1.04
1.06
1.09
1.11
1.13
1.16
1.18
1.23
1.11
1.12
1.14
1.16
1.20
1.11
1.13
1.15
1.18
1.23
inch
Outline Dimensions (
)
mm
710.00
800.00
880.00
960.00
1000.00
5.41
5.55
5.68
5.85
5.94
5.22
5.31
5.38
5.48
5.54
5.41
5.54
5.66
5.83
5.90
0.19
0.24
0.30
0.37
0.40
22.12
21.94
22.17
22.78
23.07
22.71
22.67
23.01
23.88
24.36
22.92
22.91
23.36
24.33
24.75
0.77
0.83
0.87
0.90
0.84
1.15
1.21
1.25
1.26
1.26
1.31
1.39
1.47
1.55
1.58
1.27
1.33
1.40
1.46
1.49
1.31
1.39
1.46
1.54
1.58
A
B
C
D
E
F
G
H
1.25
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
J
--
--
K
--
--
L
M
N
2.18
P
.75
Q
wt
.07 grams
1.78 75.0
ZFSC-3-4-75
ISOLATION
.125 1.688
3.18 42.88 55.37 19.05
ZFSC-3-4-75
INSERTION LOSS
45
6.5
6.1
5.7
5.3
4.9
1-2 (dB)
1-3 (dB)
2-3 (dB)
S-1(dB) S-2(dB)
S-3(dB)
40
35
30
25
20
15
For option B with N-Type connectors, dimension "C" increases
to 0.94 inches.
4.5
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-3-4-75
VSWR
1.8
1.6
1.4
1.2
electrical schematic
#S-VSWR
#1-VSWR
1.0
0
200
400
600
800
1000
FREQUENCY (MHz)
REV. A
®
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M104502
ZFSC-3-4-75
HY/TD/CP
060905
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