Coaxial
Power Splitter/Combiner
ZFSC-2-4+
2 Way-0° 50Ω
0.2 to 1000 MHz
Maximum Ratings
Features
BNC version shown
CASE STYLE: K18
Connectors Model
• wideband, 0.2 to 1000 MHz
• low insertion loss, 0.5 dB typ.
• good isolation, 25 dB typ.
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
-55°C to 100°C
1W max.
Price
Qty.
BNC
SMA
N-TYPE
ZFSC-2-4+
ZFSC-2-4-S+
ZFSC-2-4-N+
$55.95
$60.95
$60.95
$2.50
(1-9)
(1-9)
(1-9)
(1+)
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.5 deg. typ.
• rugged shielded case
0.125W max.
BRACKET (OPTION "B")
Coaxial Connections
SUM PORT
Applications
• cellular
• VHF/UHF
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
3
1
2
PORT 1
• instrumentation
PORT 2
Electrical Specifications
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 3.0 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.
20 15 25 20 23 18 0.2 0.8 0.5 1.0 0.9 1.2
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Max. Max. Max.
Max. Max. Max.
0.15 0.15 0.30
0.2-1000
2
4
4
L = low range [fL to 10 fL]
Typical Performance Data
Frequency
(MHz)
Insertion Loss
(dB)
Amplitude
Unbalance
(dB)
Isolation
(dB)
Phase
Unbalance
(deg.)
VSWR
S
VSWR
1
VSWR
2
S-1
S-2
0.20
0.70
1.00
24.00
46.00
3.31
3.29
3.26
3.17
3.23
3.30
3.24
3.24
3.26
3.32
0.02
0.05
0.03
0.09
0.08
24.83
30.54
31.83
35.39
35.23
0.10
0.20
0.36
0.03
0.09
1.17
1.07
1.06
1.08
1.12
1.41
1.25
1.23
1.14
1.08
1.39
1.23
1.21
1.13
1.10
68.00
140.00
260.00
380.00
500.00
3.25
3.27
3.29
3.50
3.52
3.33
3.31
3.29
3.45
3.45
0.08
0.04
0.01
0.04
0.07
34.84
32.99
29.95
28.42
27.91
0.18
0.27
0.36
0.25
0.21
1.14
1.12
1.18
1.22
1.24
1.10
1.13
1.14
1.17
1.21
1.10
1.14
1.16
1.18
1.20
inch
Outline Dimensions (
)
mm
A
1.25
B
C
D
E
F
G
H
.000
590.00
710.00
840.00
920.00
1000.00
3.49
3.59
3.65
3.69
3.82
3.40
3.46
3.47
3.49
3.58
0.09
0.13
0.18
0.20
0.24
28.34
30.28
30.75
27.07
22.95
0.17
0.34
0.49
0.65
0.81
1.22
1.21
1.19
1.17
1.18
1.22
1.25
1.28
1.26
1.27
1.21
1.22
1.22
1.21
1.21
1.25
.
75
.
63
.
38
1.00
.
125
1
31.75 31.75 19.05 16.00
9.65 25.40
3.18 25.40
J
K
L
M
N
P
Q
wt
rams
-
-
-
-
.
125
1.688
2.18
.
75
.
07
g
--
--
3.18 42.88 55.37 19.05
1.78
70.0
ZFSC-2-4+
INSERTION LOSS
ZFSC-2-4+
ISOLATION
50
45
40
35
30
25
20
4.0
3.8
3.6
3.4
3.2
3.0
For option B with N-type connectors, dimension "C" increases to 0.94 inches.
S-1(dB) S-2(dB)
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-2-4+
VSWR
1.5
1.4
1.3
1.2
1.1
1.0
#S-VSWR
#1-VSWR
#2-VSWR
electrical schematic
0
200
400
600
800
1000
FREQUENCY (MHz)
W
E
N
L
®
L
A
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RF/IF MICROWAVE COMPONENTS
M108294
ZFSC-2-4+
HY/TD/CP/AM
080623