L = low range [f
L
to 10 f
L
] M = mid range [10 f
L
to f
U
/2] U= upper range [f
U
/2 to f
U
]
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 4.8 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
f
L
-f
U
L
M
U
L
M
U
L
M
U
L
M
U
Typ. Min Typ. Min Typ. Min Typ. Max. Typ. Max. Typ. Max. Max.
Max.
Max.
Max.
Max.
Max.
2-750
30
20
30
20
25
18
0.4 0.75 0.5
1.0
1.0
1.6
3
5
7
0.2
0.3
0.5
Freq.
(MHz)
Insertion Loss
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase
Unbal.
(deg.)
VSWR
S
VSWR
1
VSWR
2
VSWR
3
S-1
S-2
S-3
1-2
1-3
2-3
ZFSC-3-1W
INSERTION LOSS
4.5
5.0
5.5
6.0
6.5
0
150
300
450
600
750
FREQUENCY (MHz)
INSERTION
LOSS
(dB)
S-1(dB)
S-2(dB)
S-3(dB)
ZFSC-3-1W
ISOLATION
20
25
30
35
40
0
150
300
450
600
750
FREQUENCY (MHz)
ISOLATION
(dB)
1-2 (dB)
1-3 (dB)
2-3 (dB)
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
Typical Performance Data
Maximum Ratings
Coaxial Connections
SUMPORT
S
PORT 1
1
PORT 2
2
PORT 3
3
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Power Input (as a splitter)
1W max.
Internal Dissipation
0.5W max.
Outline Drawing
Outline Dimensions ( )
inch
mm
ZFSC-3-1W
electrical schematic
3 Way-0 50 2 to 750 MHz
Power Splitter/Combiner
REV. OR
M94793
ZFSC-3-1W
HY/TD/CP
060905
Coaxial
A
B
C
D
E
F
G
H
1.25
1.25
.75
.63
.38 1.000
.125 1.000
31.75 31.75 19.05 16.00
9.65 25.40
3.18 25.40
J
K
L
M
N
P
Q
wt
--
--
.125 1.688
2.18
.75
.07 grams
--
--
3.18 42.88 55.37 19.05
1.78
75.0
CASE STYLE: J17
Connectors Model
Price
Qty.
BNC
ZFSC-3-1W
$53.95 (1-9)
SMA
ZFSC-3-1W-S
$58.95
(1-9)
N-TYPE
ZFSC-3-1W-N
$58.95
(1-9)
BRACKET (OPTION "B")
$2.50
(1+)
Features
wideband, 2 to 750 MHz
low insertion loss, 0.5 dB typ.
high isolation, 30 dB typ.
rugged shielded case
Applications
VHF/UHF
instrumentation
communication style
ZFSC-3-1W
VSWR
1.0
1.2
1.4
1.6
1.8
2.0
0
150
300
450
600
750
FREQUENCY (MHz)
V
S
W
R
#S-VSWR
#1-VSWR
Splitter Electrical Specifications
BNC version shown
For option B with N-Type connectors, dimension "C" increases
to 0.94 inches.
2.00
5.05
5.04
5.04
0.00
31.97
32.43
32.13
0.05
1.17
1.15
1.15
1.15
6.80
4.99
4.99
4.99
0.00
31.59
32.02
31.67
0.02
1.14
1.14
1.15
1.14
16.40
5.00
5.00
5.00
0.00
31.51
31.92
31.59
0.03
1.13
1.14
1.15
1.14
20.00
5.00
5.01
5.01
0.01
31.49
31.94
31.56
0.03
1.13
1.14
1.15
1.14
104.00
5.10
5.10
5.11
0.01
29.46
29.98
29.29
0.06
1.18
1.16
1.16
1.16
188.00
5.18
5.19
5.21
0.02
26.83
27.40
26.51
0.11
1.26
1.19
1.20
1.19
272.00
5.21
5.23
5.25
0.04
24.83
25.45
24.42
0.10
1.34
1.23
1.24
1.23
330.00
5.29
5.31
5.34
0.05
23.82
24.48
23.36
0.09
1.39
1.26
1.27
1.26
375.00
5.42
5.46
5.50
0.08
23.45
24.14
22.97
0.15
1.42
1.28
1.29
1.28
442.50
5.34
5.39
5.44
0.10
22.89
23.66
22.37
0.13
1.45
1.30
1.32
1.31
532.50
5.44
5.53
5.59
0.15
22.98
23.90
22.36
0.11
1.44
1.33
1.35
1.33
600.00
5.45
5.56
5.64
0.19
23.59
24.79
22.87
0.16
1.39
1.34
1.37
1.35
660.00
5.41
5.54
5.63
0.22
24.60
26.31
23.75
0.20
1.32
1.33
1.38
1.36
720.00
5.37
5.53
5.64
0.27
25.76
28.49
24.81
0.37
1.21
1.32
1.38
1.35
750.00
5.38
5.55
5.67
0.29
26.13
29.46
25.26
0.46
1.15
1.31
1.37
1.34
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