Coaxial
ZFSC-2-1+
ZFSC-2-1
Power Splitter/Combiner
2 Way-0° 50Ω
5 to 500 MHz
Maximum Ratings
Features
BNC version shown
• wideband, 5 to 500 MHz
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
CASE STYLE: K18
• low insertion loss, 0.3 dB typ.
• excellent isolation, 28 dB typ.
• excellent amplitude unbalance, 0.1 dB typ.
• good VSWR, 1.2:1 typ.
-55°C to 100°C
1W max.
Connectors Model
Price
Qty.
(1-9)
(1-9)
(1-9)
(1+)
BNC
SMA
N-TYPE
ZFSC-2-1(+)
ZFSC-2-1-S+
ZFSC-2-1-N(+)
$44.95
$49.95
$49.95
$2.50
0.125W max.
• rugged shielded case
BRACKET (OPTION "B")
Coaxial Connections
SUM PORT
Applications
• VHF/UHF
• instrumentation
• communication systems
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
3
1
2
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
5-500
30
25
28
20
25
20
0.2 0.5 0.3 0.6 0.6 0.8
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
20
35
80
140
170
3.17
3.18
3.23
3.27
3.29
3.17
3.19
3.23
3.28
3.30
0.00
0.00
0.00
0.01
0.01
38.54
37.55
35.20
32.86
31.68
0.08
0.05
0.01
0.01
0.03
1.02
1.03
1.05
1.07
1.09
1.05
1.04
1.05
1.06
1.06
1.05
1.05
1.05
1.06
1.06
200
225
250
290
330
3.31
3.33
3.33
3.35
3.38
3.32
3.34
3.35
3.38
3.41
0.01
0.02
0.02
0.03
0.03
30.89
30.37
29.60
28.75
28.01
0.05
0.09
0.08
0.13
0.17
1.10
1.11
1.12
1.14
1.15
1.07
1.07
1.08
1.09
1.09
1.07
1.07
1.08
1.09
1.10
inch
mm
Outline Dimensions (
)
370
410
450
475
500
3.39
3.41
3.43
3.44
3.46
3.43
3.46
3.48
3.50
3.52
0.04
0.05
0.05
0.06
0.06
27.35
26.80
26.31
26.09
25.83
0.21
0.25
0.30
0.32
0.34
1.17
1.19
1.21
1.22
1.23
1.10
1.11
1.12
1.13
1.13
1.11
1.12
1.13
1.14
1.14
A
1.25
B
.25
C
75
D
63
E
38
F
.00
G
125
3.18 25.40
H
.000
1
.
.
.
1
.
1
31.75 31.75 19.05 16.00
9.65 25.40
J
K
L
125
M
.688
N
.18
P
75
Q
07
1.78
wt
rams
0.0
ZFSC-2-1
ISOLATION
ZFSC-2-1
INSERTION LOSS
-
-
-
-
.
1
2
.
.
g
--
--
3.18 42.88 55.37 19.05
7
45
40
35
30
25
3.6
3.5
3.4
3.3
3.2
3.1
S-1(dB)
S-2(dB)
For option B with N-type connectors, dimension "C" increases to 0.94 inches.
20
0
0
100
200
300
400
500
100
200
300
400
500
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-2-1
VSWR
1.30
1.25
1.20
1.15
1.10
1.05
1.00
#S-VSWR
#1-VSWR
#2-VSWR
electrical schematic
0
100
200
300
400
500
FREQUENCY (MHz)
W
E
N
L
®
L
A
minicircuits.com
Mini-Circuits
REV. B
ISO 9001 ISO 14001 CERTIFIED
M108294
ZFSC-2-1
HY/TD/CP
070604
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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