Coaxial
Power Splitter/Combiner
ZFSC-2-1W
2 Way-0° 50Ω
1 to 750 MHz
Maximum Ratings
Features
• low insertion loss, 0.4 dB typ.
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
BNC version shown
• high isolation, 28 dB typ.
CASE STYLE: K18
-55°C to 100°C
1W max.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.5 deg. typ.
• very good return loss, VSWR, 1.15:1 typ.
• rugged shielded case
Connectors Model
Price
Qty.
(1-9)
(1-9)
(1-9)
(1+)
BNC
SMA
N-TYPE
ZFSC-2-1W
ZFSC-2-1W-S
ZFSC-2-1W-N
$48.95
$53.95
$53.95
$2.50
0.125W max.
BRACKET (OPTION "B")
Coaxial Connections
Applications
• VHF/UHF
SUMPORT
3
1
2
• federal & defense communication
PORT 1
PORT 2
Splitter 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. Max.
Max.
Max.
4
Max.
0.15
Max.
Max.
0.30
1-750
30
20
28
20
25
20
0.2 0.5 0.4 0.8 0.8 1.0
U= upper range [fU/2 to fU]
2
4
0.15
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
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
1.00
5.00
10.00
68.00
97.00
3.27
3.17
3.16
3.19
3.23
3.27
3.16
3.16
3.19
3.23
0.00
0.01
0.00
0.01
0.00
31.01
38.19
38.65
26.38
25.75
0.01
0.02
0.14
0.07
0.09
1.10
1.08
1.08
1.12
1.13
1.22
1.17
1.16
1.14
1.15
1.21
1.16
1.16
1.14
1.15
184.00
271.00
380.00
395.00
460.00
3.28
3.33
3.38
3.30
3.39
3.28
3.31
3.35
3.28
3.36
0.01
0.02
0.03
0.02
0.03
25.18
24.97
24.99
24.95
25.18
0.09
0.20
0.24
0.21
0.22
1.16
1.17
1.18
1.20
1.16
1.16
1.16
1.18
1.20
1.18
1.15
1.16
1.17
1.19
1.17
inch
Outline Dimensions (
)
mm
A
B
C
D
E
F
G
H
1.25
1
.25
.
75
.
63
.
38
1
.00
.
125
1
.000
550.00
640.00
710.00
730.00
750.00
3.41
3.49
3.55
3.65
3.67
3.36
3.43
3.48
3.58
3.61
0.05
0.06
0.07
0.07
0.07
25.42
25.07
23.78
23.32
22.79
0.31
0.36
0.48
0.59
0.58
1.13
1.09
1.09
1.09
1.07
1.16
1.13
1.12
1.14
1.13
1.14
1.11
1.11
1.12
1.11
31.75 31.75 19.05 16.00
9.65 25.40
3.18 25.40
J
K
L
M
N
P
75
Q
wt
-
-
-
-
.
125
1
.688
2.18
.
.
07
grams
--
--
3.18 42.88 55.37 19.05
1.78
70.0
ZFSC-2-1W
ISOLATION
ZFSC-2-1W
INSERTION LOSS
For option B with N-type connectors, dimension "C" increases to 0.94 inches.
40
35
30
25
20
4.0
3.8
3.6
3.4
3.2
3.0
S-1(dB)
S-2(dB)
0
150
300
450
600
750
0
50
100
150
200
250
300
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-2-1W
VSWR
electrical schematic
1.5
1.4
1.3
1.2
1.1
1.0
#S-VSWR
#1-VSWR
#2-VSWR
0
150
300
450
600
750
FREQUENCY (MHz)
REV. OR
M94482
ZFSC-2-1W
HY/TD/CP
060915
®
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