Coaxial
Power Splitter/Combiner
ZFSC-2-6-75
2 Way-0° 75Ω
0.004 to 60 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
• high isolation, 35 dB typ.
• rugged shielded case
BNC version shown
-55°C to 100°C
1W max.*
CASE STYLE: K18
Connectors Model
BNC ZFSC-2-6-75
BRACKET (OPTION "B")
Price
$51.95
$2.50
Qty.
(1-9)
(1+)
0.125W max.
* At low range frequency band (fL to 10 fL), linearly derate
maximum input power by 13 dB typ.
Applications
• HF/VHF
• amateur radio
• instrumentation
Coaxial Connections
SUM PORT
3
1
2
PORT 1
Electrical Specifications
PORT 2
FREQ.
RANGE
(MHz)
ISOLATION
INSERTION LOSS (dB)
ABOVE 3.0 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
(dB)
L
M
U
L
M
U
L
M
U
L
M
U
Outline Drawing
fL-fU
Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max.
30 20 35 20 25 20 0.5 0.8 0.4 0.8 0.7 1.0
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Max. Max. Max.
Max. Max. Max.
0.004-60
1
2
3
0.15
0.2
0.3
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
0.004
1.000
5.000
10.000
15.000
3.14
3.09
3.13
3.17
3.21
3.13
3.09
3.13
3.17
3.20
0.01
0.00
0.00
0.00
0.00
28.34
40.45
39.93
38.14
36.25
0.09
0.00
0.02
0.04
0.05
1.19
1.13
1.14
1.16
1.18
1.28
1.09
1.09
1.10
1.12
1.27
1.09
1.09
1.10
1.12
20.000
24.000
28.000
30.000
36.000
3.24
3.27
3.30
3.31
3.36
3.24
3.27
3.30
3.31
3.37
0.00
0.00
0.00
0.00
0.00
34.56
33.32
32.12
31.53
29.82
0.05
0.05
0.06
0.05
0.06
1.20
1.22
1.24
1.26
1.30
1.15
1.17
1.19
1.21
1.25
1.15
1.17
1.19
1.21
1.25
inch
Outline Dimensions (
)
mm
A
B
C
D
E
F
G
H
1.25
1.25
.75
.63
.38
1.00
.125 1.000
3.18 25.40
39.000
45.000
48.000
54.000
60.000
3.39
3.44
3.46
3.52
3.58
3.39
3.45
3.47
3.53
3.59
0.00
0.01
0.01
0.01
0.02
28.97
27.34
26.55
25.01
23.54
0.06
0.07
0.07
0.08
0.09
1.32
1.36
1.38
1.42
1.47
1.27
1.32
1.34
1.39
1.43
1.27
1.32
1.34
1.38
1.43
31.75 31.75 19.05 16.00
9.65 25.40
J
--
--
K
--
--
L
M
N
2.18
P
.75
Q
wt
.07 grams
1.78 70.0
.125 1.688
3.18 42.88 55.37 19.05
ZFSC-2-6-75
ISOLATION
ZFSC-2-6-75
INSERTION LOSS
50
45
40
35
30
25
20
15
10
4.0
3.8
3.6
3.4
3.2
3.0
S-1(dB) S-2(dB)
0
10
20
30
40
50
60
0
10
20
30
40
50
60
FREQUENCY (MHz)
FREQUENCY (MHz)
ZESC-2-6-75
VSWR
1.6
#S-VSWR
#1-VSWR
#2-VSWR
electrical schematic
1.4
1.2
1.0
0
10
20
30
40
50
60
FREQUENCY (MHz)
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ALL
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Mini-Circuits
ISO 9001 ISO 14001 CERTIFIED
REV. OR
M94482
ZFSC-2-6-75
HY/TD/CP
080310
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
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