Coaxial
Power Splitter/Combiner
2 Way-0°
Maximum Ratings
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
-55°C to 100°C
1W max.*
0.125W max.
ZFSC-2-6
50Ω
0.002 to 60 MHz
Features
• low insertion loss, 0.3 dB typ.
• excellent isolation, 30 dB typ.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.2 deg. typ.
• rugged shielded case
BNC version shown
CASE STYLE: K18
Connectors Model
BNC
ZFSC-2-6
SMA
ZFSC-2-6-S
N-TYPE
ZFSC-2-6-N
BRACKET (OPTION "B")
Price
$49.95
$54.95
$54.95
$2.50
Qty.
(1-9)
(1-9)
(1-9)
(1+)
* At low range frequency band (f
L
to 10 f
L
), linearly derate
maximum input power by 13 dB typ.
Applications
• HF
• ham radio
• defense communications
Coaxial Connections
SUM PORT
PORT 1
PORT 2
3
1
2
Electrical Specifications
FREQ.
RANGE
(MHz)
ISOLATION**
(dB)
L
f
L
-f
U
0.002-60
Typ. Min.
27
20
M
Typ. Min.
30
20
U
Typ. Min.
27
20
INSERTION LOSS (dB)
ABOVE 3.0 dB
L
Typ. Max.
0.3
0.6
M
Typ. Max.
0.3
0.6
U
Typ. Max.
0.6
1.0
PHASE
UNBALANCE
(Degrees)
L
Max.
2
M
Max.
3
U
Max.
4
AMPLITUDE
UNBALANCE
(dB)
L
Max.
0.15
M
Max.
0.20
U
Max.
0.30
Outline Drawing
L = low range [f
L
to 10 f
L
]
M = mid range [10 f
L
to f
U
/2]
** Isolation specified to 0.006 MHz
U= upper range [f
U
/2 to f
U
]
Typical Performance Data
Frequency
(MHz)
Insertion Loss
(dB)
S-1
0.002
0.02
0.51
2.00
5.00
8.00
11.00
15.00
19.00
26.00
36.00
42.00
48.00
54.00
60.00
3.16
3.10
3.11
3.13
3.18
3.22
3.25
3.29
3.33
3.38
3.46
3.52
3.57
3.63
3.70
Amplitude
Unbalance
(dB)
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.01
0.01
0.02
0.02
0.03
Isolation
(dB)
Phase
Unbalance
(deg.)
0.10
0.05
0.06
0.06
0.06
0.05
0.05
0.05
0.04
0.04
0.06
0.08
0.12
0.16
0.22
VSWR
S
VSWR
1
VSWR
2
S-2
3.17
3.10
3.11
3.13
3.18
3.22
3.25
3.29
3.33
3.38
3.46
3.50
3.55
3.61
3.66
30.24
37.52
37.86
37.35
35.22
33.04
31.28
29.45
28.06
26.35
24.95
24.54
24.37
24.36
24.35
1.14
1.10
1.10
1.10
1.12
1.13
1.14
1.15
1.16
1.16
1.16
1.15
1.13
1.12
1.12
ZFSC-2-6
ISOLATION
50
1.20
1.04
1.03
1.03
1.02
1.01
1.01
1.01
1.02
1.05
1.09
1.11
1.15
1.18
1.22
1.20
1.04
1.03
1.03
1.02
1.01
1.01
1.01
1.02
1.05
1.09
1.12
1.15
1.19
1.23
Outline Dimensions (
inch
)
mm
A
1.25
31.75
J
--
--
B
1.25
31.75
K
--
--
C
.75
19.05
L
.125
3.18
D
.63
16.00
M
1.688
42.88
E
.38
9.65
N
2.18
55.37
F
1.00
25.40
P
.75
19.05
G
.125
3.18
H
1.000
25.40
Q
wt
.07 grams
1.78
70.0
4.0
INSERTION LOSS (dB)
For option B with N-type connectors, dimension "C" increases to 0.94 inches.
ZFSC-2-6
INSERTION LOSS
S-1(dB)
S-2(dB)
ISOLATION (dB)
0
10
20
30
40
50
60
3.8
3.6
3.4
3.2
3.0
FREQUENCY (MHz)
40
30
20
0
10
20
30
40
50
60
FREQUENCY (MHz)
ZFSC-2-6
VSWR
1.30
1.25
1.20
VSWR
1.15
1.10
1.05
1.00
0
10
20
30
40
50
60
FREQUENCY (MHz)
#S-VSWR
#1-VSWR
#2-VSWR
electrical schematic
Mini-Circuits
ISO 9001 ISO 14001
CERTIFIED
RF/IF MICROWAVE COMPONENTS
®
EW
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minicircuits.com
REV. OR
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ZFSC-2-6
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070424
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