Coaxial
ZFSC-4-3+
Power Splitter/Combiner
4 Way-0° 50Ω 10 to 300 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
Features
BNC version shown
CASE STYLE: G15
• wideband, 10 to 300 MHz
• high isolation, 38 dB typ.
• rugged shielded case
-55°C to 100°C
-55°C to 100°C
1W max.
Connectors Model
Price
Qty.
BNC
SMA
ZFSC-4-3-BNC+
ZFSC-4-3-S+
BRACKET (OPTION "B")
$78.95
$78.95
$5.00
(1-9)
(1-9)
(1+)
0.250W max.
Applications
• VHF
• radio communication
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Coaxial Connections
SUM PORT
S
1
2
3
4
PORT 1
Electrical Specifications
PORT 2
PORT 3
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 6.0 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
PORT 4
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.
32 28 38 30 38 30 0.5 0.8 0.6 0.9 0.9 1.2
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Max. Max. Max.
Max. Max. Max.
0.1 0.1 0.2
10-300
4
6
8
L = low range [fL to 10 fL]
Outline Drawing
Typical Performance Data
Freq.
(MHz)
Total Loss1
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR VSWR
Unbal.
(deg.)
S
1
2
3
4
S-1
S-2
S-3
S-4
1-2
1-4
3-4
10.00
26.00
50.00
70.00
100.00
6.39
6.52
6.54
6.61
6.66
6.41
6.54
6.55
6.62
6.67
6.40
6.52
6.55
6.61
6.67
6.39
6.53
6.55
6.61
6.67
0.02
0.02
0.01
0.01
0.01
34.67 35.91 36.23
35.36 36.25 36.26
35.67 36.63 36.12
36.06 37.13 36.24
36.69 37.84 36.46
0.09
0.18
0.27
0.43
0.67
1.07
1.05
1.05
1.06
1.07
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
1.05
115.00
130.00
142.00
150.00
176.00
6.69
6.71
6.73
6.74
6.79
6.69
6.71
6.73
6.73
6.79
6.68
6.70
6.72
6.74
6.78
6.69
6.72
6.74
6.75
6.80
0.01
0.01
0.01
0.02
0.02
37.05 38.23 36.65
37.44 38.74 36.80
37.78 39.18 36.97
38.02 39.51 37.12
38.89 40.81 37.62
0.75
0.90
0.94
0.98
1.14
1.08
1.08
1.07
1.07
1.07
1.04
1.04
1.04
1.04
1.06
1.04
1.04
1.04
1.04
1.06
1.05
1.04
1.04
1.05
1.06
1.05
1.04
1.04
1.05
1.06
202.00
228.00
254.00
284.00
300.00
6.85
6.88
6.91
6.95
6.98
6.83
6.85
6.88
6.92
6.93
6.83
6.85
6.88
6.90
6.93
6.86
6.89
6.92
6.96
7.00
0.03
0.04
0.04
0.06
0.07
39.95 42.54 38.25
40.79 45.03 38.99
41.21 49.09 40.00
40.46 58.31 41.18
39.45 55.01 41.49
1.25
1.42
1.62
1.83
1.79
1.08
1.11
1.12
1.12
1.13
1.06
1.05
1.03
1.04
1.04
1.07
1.05
1.04
1.05
1.06
1.07
1.06
1.04
1.06
1.06
1.07
1.06
1.04
1.05
1.05
inch
Outline Dimensions (
)
mm
A
1.25
B
C
D
E
F
G
--
H
.80
1. Total Loss = Insertion Loss + 6dB splitter loss.
1.25
.75
.63
.38
.61
ZFSC-4-3+
TOTAL LOSS
ZFSC-4-3+
ISOLATION
31.75 31.75 19.05 16.00
9.65 15.49
-- 20.32
8.0
7.6
7.2
6.8
6.4
60
J
.80
K
.76
L
M
N
2.18
P
.75
Q
wt
.07 grams
1.78 85.0
1-2(dB)
1-4(dB)
3-4(dB)
S-1(dB) S-3(dB)
.125 1.688
3.18 42.88 55.37 19.05
52
44
36
28
20
20.32 19.30
6.0
0
0
50
100
150
200
250
300
50
100
150
200
250
300
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-4-3+
VSWR
1.3
1.2
1.1
#S-VSWR
#1-VSWR
#3-VSWR
electrical schematic
1.0
0
50
100
150
200
250
300
FREQUENCY (MHz)
®
For detailed performance specs
& shopping online see web site
Mini-Circuits
REV. B
M127604
ZFSC-4-3+
HY/TD/CP/AM
120306
ISO 9001 ISO 14001 AS 9100 CERTIFIED
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine
Provides ACTUAL Data Instantly at minicircuits.com
IF/RF MICROWAVE COMPONENTS
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”);Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.