Coaxial
ZFSC-3-4+
ZFSC-3-4
Power Splitter/Combiner
3 Way-0° 50Ω
1 to 1000 MHz
Maximum Ratings
Features
BNC version shown
• 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
Connectors Model
• low insertion loss, 0.7 dB typ.
• rugged shielded case
-55°C to 100°C
1W max.
Price
Qty.
(1-9)
(1-9)
(1-9)
(1+)
BNC
SMA
N-TYPE
ZFSC-3-4(+)
ZFSC-3-4-S(+)
ZFSC-3-4-N(+)
$59.95
$64.95
$64.95
$2.50
0.375W max.
Applications
• cellular
BRACKET (OPTION "B")
• instrumentation
• communication system
Coaxial Connections
+ 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.
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)
Outline Drawing
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.
0.2
Max.
Max.
0.9
1-1000
35
20
20
18
20
17
0.2 0.5 0.7 1.4 1.0 2.0
U= upper range [fU/2 to fU]
3
6
0.4
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
5.10
5.02
5.00
5.01
5.16
5.09
5.02
5.01
5.02
5.17
5.10
5.02
5.01
5.01
5.16
0.01
0.00
0.01
0.01
0.01
33.57
32.41
32.31
32.25
28.28
32.78
32.18
32.19
32.20
28.76
33.29
32.26
32.24
32.23
28.53
0.07
0.06
0.06
0.08
0.18
1.20
1.15
1.14
1.14
1.22
1.18
1.13
1.13
1.13
1.16
1.18
1.13
1.13
1.13
1.16
1.18
1.13
1.13
1.13
1.16
244.00
361.00
440.00
500.00
590.00
5.27
5.47
5.51
5.62
5.68
5.23
5.44
5.41
5.48
5.53
5.24
5.43
5.45
5.54
5.56
0.04
0.04
0.11
0.15
0.15
24.51
22.37
21.40
21.02
20.99
25.17
23.12
22.18
21.83
21.88
24.87
22.78
21.86
21.51
21.58
0.59
0.36
0.43
0.48
0.43
1.36
1.48
1.54
1.57
1.57
1.21
1.27
1.30
1.32
1.35
1.21
1.27
1.30
1.33
1.36
1.21
1.27
1.30
1.32
1.34
inch
Outline Dimensions (
)
mm
A
1.25
B
1.25
C
.75
D
.63
E
F
G
H
710.00
800.00
880.00
960.00
1000.00
5.60
5.52
5.57
5.86
6.15
5.49
5.33
5.36
5.61
5.82
5.43
5.31
5.33
5.59
5.86
0.17
0.20
0.24
0.28
0.33
22.20
24.69
27.31
22.98
19.85
23.34
26.47
30.51
24.19
20.65
23.02
25.94
28.51
22.90
19.71
0.76
1.01
0.98
1.16
2.67
1.46
1.30
1.15
1.29
1.51
1.37
1.35
1.31
1.24
1.19
1.37
1.35
1.30
1.22
1.16
1.35
1.33
1.27
1.19
1.14
.38 1.000
9.65 25.40
.125 1.000
3.18 25.40
31.75 31.75 19.05 16.00
J
--
--
K
--
--
L
M
N
2.18
P
.75
Q
wt
.07 grams
1.78 75.0
.125 1.688
3.18 42.88 55.37 19.05
ZFSC-3-4
ISOLATION
ZFSC-3-4
INSERTION LOSS
40
34
28
22
16
10
For option B with N-Type connectors, dimension "C" increases
to 0.94 inches.
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)
4.5
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-3-4
VSWR
electrical schematic
2.0
1.8
1.6
1.4
1.2
#S-VSWR
#1-VSWR
1.0
0
200
400
600
800
1000
FREQUENCY (MHz)
REV. A
®
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M104318
ZFSC-3-4
HY/TD/CP
060905
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