Coaxial
ZSC-2-1-75+
ZSC-2-1-75
Power Splitter/Combiner
2 Way-0° 75Ω
0.25 to 300 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
CASE STYLE: M22
• high isolation, 30 dB typ.
-55°C to 100°C
1W max.
Connectors Model
BNC ZSC-2-1-75(+)
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Price
Qty.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.2 deg. typ.
• excellent VSWR, 1.1:1 typ.
$49.95
$5.00
$1.50
(1-9)
(1+)
(1+)
0.125W max.
• rugged shielded case
+ 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.
Coaxial Connections
Applications
• HF/VHF
• communications systems
• instrumentation
SUMPORT
2
1
3
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)
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. Max.
Max.
Max.
5
Max.
0.15
Max.
Max.
0.3
0.25-300
20
15
30
20
20
15
0.4 0.75 0.4 0.75 0.4 1.0
U= upper range [fU/2 to fU]
2
3
0.2
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
0.25
0.65
1.05
1.45
2.05
3.14
3.14
3.13
3.13
3.11
3.16
3.16
3.15
3.14
3.14
0.02
0.02
0.02
0.01
0.03
32.09
33.92
33.78
33.56
33.37
0.00
0.00
0.07
0.09
0.03
1.11
1.10
1.10
1.10
1.10
1.15
1.12
1.11
1.11
1.10
1.15
1.12
1.11
1.11
1.10
2.38
10.00
52.00
80.00
108.00
3.11
3.11
3.16
3.17
3.18
3.11
3.13
3.17
3.18
3.20
0.00
0.02
0.01
0.01
0.01
33.29
33.20
32.76
31.79
30.55
0.03
0.02
0.15
0.04
0.12
1.10
1.11
1.12
1.13
1.14
1.10
1.09
1.11
1.12
1.14
1.10
1.09
1.10
1.12
1.13
inch
Outline Dimensions (
)
mm
A
B
C
D
E
F
G
H
2.25
1.38
1.24
.50
.150 3.100
3.81 78.74
.138 1.238
3.51 31.45
160.00
200.00
240.00
270.00
300.00
3.22
3.25
3.27
3.28
3.31
3.22
3.24
3.28
3.29
3.32
0.01
0.01
0.01
0.02
0.01
28.23
26.45
24.90
23.64
22.56
0.02
0.11
0.12
0.16
0.24
1.17
1.20
1.21
1.23
1.24
1.17
1.20
1.23
1.25
1.26
1.17
1.20
1.22
1.24
1.26
57.15 35.05 31.50 12.70
J
3.25
82.55
K
.10
L
.40
M
1.15
N
P
S
wt
.150 grams
3.81 74.0
1.86
.64
2.54 10.16 29.21 47.24 16.26
ZSC-2-1-75
ISOLATION
ZSC-2-1-75
INSERTION LOSS
45
40
35
30
25
20
15
3.5
3.4
3.3
3.2
3.1
3.0
S-1(dB) S-2(dB)
0
50
100
150
200
250
300
0
50
100
150
200
250
300
FREQUENCY (MHz)
FREQUENCY (MHz)
ZSC-2-1-75
VSWR
electrical schematic
1.5
#S-VSWR
#1-VSWR
#2-VSWR
1.4
1.3
1.2
1.1
1.0
0
50
100
150
200
250
300
FREQUENCY (MHz)
REV. A
M98898
ZSC-2-1-75
HY/TD/CP
060825
®
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