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.
1-500
30
20
30
20
25
18
0.4 0.75 0.5
0.9
0.8
1.2
2
3
4
0.2
0.3
0.4
ZFSC-3-1
INSERTION LOSS
5.0
5.2
5.4
5.6
5.8
6.0
0
100
200
300
400
500
FREQUENCY (MHz)
INSERTION
LOSS
(dB)
S-1(dB)
S-2(dB)
S-3(dB)
ZFSC-3-1
ISOLATION
20
26
32
38
44
50
0
100
200
300
400
500
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
0.375W max.
Outline Drawing
Outline Dimensions ( )
inch
mm
ZFSC-3-1
electrical schematic
3 Way-0 50 1 to 500 MHz
Power Splitter/Combiner
REV. OR
M94793
ZFSC-3-1
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-3-1
$51.95 (1-9)
SMA
ZFSC-3-1-S
$56.95
(1-9)
N-TYPE
ZFSC-3-1-N
$56.95
(1-9)
BRACKET (OPTION "B")
$2.50
(1+)
Features
wideband, 1 to 500 MHz
low insertion loss, 0.5 dB typ.
high isolation, 30 dB typ.
rugged, shielded case
Applications
VHF/UHF
instrumentation
communication system
ZFSC-3-1
VSWR
1.0
1.1
1.2
1.3
1.4
1.5
0
100
200
300
400
500
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.
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
1.00
5.02
5.02
5.02
0.00
35.42
35.35
35.32
0.03
1.11
1.15
1.15
1.15
4.20
5.01
5.02
5.01
0.01
35.93
35.81
36.47
0.03
1.06
1.07
1.07
1.07
7.00
5.02
5.02
5.01
0.00
36.31
36.18
36.81
0.07
1.05
1.06
1.06
1.06
10.00
5.02
5.02
5.03
0.01
36.50
36.38
36.98
0.10
1.05
1.06
1.06
1.06
67.00
5.09
5.09
5.10
0.01
33.88
34.07
33.28
0.56
1.07
1.06
1.06
1.07
124.00
5.16
5.15
5.16
0.01
30.45
30.83
29.38
1.09
1.13
1.07
1.08
1.08
181.00
5.25
5.22
5.25
0.02
28.12
28.54
26.82
1.49
1.18
1.08
1.09
1.10
220.00
5.24
5.22
5.25
0.03
26.92
27.33
25.52
1.71
1.21
1.09
1.10
1.11
250.00
5.28
5.23
5.26
0.06
26.28
26.69
24.76
1.91
1.23
1.09
1.11
1.12
310.00
5.33
5.25
5.30
0.08
25.41
25.80
23.71
2.16
1.26
1.10
1.12
1.15
390.00
5.46
5.33
5.42
0.14
25.38
25.74
23.33
2.50
1.26
1.12
1.13
1.17
450.00
5.57
5.37
5.50
0.20
25.97
26.51
23.79
2.80
1.24
1.13
1.12
1.19
470.00
5.57
5.35
5.49
0.22
26.08
26.78
24.04
3.14
1.23
1.13
1.12
1.19
490.00
5.55
5.28
5.43
0.27
26.00
26.98
24.29
3.41
1.22
1.14
1.12
1.19
500.00
5.60
5.31
5.47
0.29
25.91
27.09
24.49
3.49
1.22
1.14
1.12
1.19
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