Power Splitter/Combiner
4 Way-0°
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
Coaxial
ZFSC-4375
75Ω
50 to 90 MHz
Features
• high isolation, 34 dB typ.
• low insertion loss, 0.3 dB typ.
• rugged shielded case
• excellent VSWR, 1.05:1 typ.
CASE STYLE: G15
Connectors Model
Price
BNC
ZFSC-4375
$89.95
BRACKET (OPTION "B")
$5.00
Qty.
(1-9)
(1+)
Maximum Ratings
-55°C to 100°C
-55°C to 100°C
1W max.
0.250W max.
Permanent damage may occur if any of these limits are exceeded.
Coaxial Connections
SUM PORT
PORT 1
PORT 2
PORT 3
PORT 4
S
1
2
3
4
Applications
• VHF
• radio communication
Electrical Specifications
FREQ.
RANGE
(MHz)
f
L
-f
U
50-90
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 6.0 dB
PHASE
UNBALANCE
(Degrees)
Max.
4
AMPLITUDE
UNBALANCE
(dB)
Max.
0.15
Typ.
34
Min
30
Typ. Max.
0.3
0.8
Outline Drawing
Freq.
(MHz)
S-1
50.00
52.00
55.00
58.00
60.00
62.00
65.00
70.00
72.00
75.00
77.00
80.00
83.00
85.00
90.00
6.29
6.29
6.29
6.31
6.30
6.31
6.30
6.31
6.30
6.31
6.32
6.31
6.32
6.31
6.33
Typical Performance Data
Total Loss
(dB)
S-2
6.29
6.29
6.29
6.30
6.30
6.31
6.31
6.32
6.31
6.31
6.32
6.32
6.32
6.32
6.32
1
S-3
6.30
6.30
6.30
6.31
6.30
6.31
6.30
6.32
6.33
6.31
6.33
6.31
6.32
6.32
6.32
S-4
6.29
6.30
6.29
6.31
6.30
6.31
6.31
6.32
6.32
6.31
6.32
6.31
6.33
6.32
6.32
Amp.
Unbal.
(dB)
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.01
0.01
0.01
0.02
0.01
0.01
Isolation
(dB)
1-2
45.87
45.35
45.15
44.78
44.24
43.95
43.62
43.13
42.80
42.50
42.38
41.89
41.68
41.46
40.89
1-4
37.46
37.43
37.39
37.24
37.29
37.16
37.08
36.98
36.99
36.91
36.84
36.81
36.76
36.66
36.58
3-4
46.83
46.49
46.06
45.54
45.24
44.90
44.62
43.83
43.62
43.36
43.13
42.65
42.52
42.21
41.70
Phase VSWR VSWR VSWR VSWR VSWR
Unbal.
S
1
2
3
4
(deg.)
0.25
0.22
0.28
0.28
0.40
0.28
0.37
0.33
0.37
0.39
0.41
0.36
0.38
0.38
0.54
1.08
1.08
1.07
1.07
1.06
1.06
1.06
1.05
1.04
1.04
1.04
1.03
1.03
1.03
1.03
1.01
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.01
1.01
1.01
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.01
1.01
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.01
1.01
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.02
Outline Dimensions (
inch
)
mm
A
B
C
D
1.25
1.25
.75
.63
31.75 31.75 19.05 16.00
J
K
.80
.76
20.32 19.30
E
F
.38
.61
9.65 15.49
G
H
--
.80
-- 20.32
Q
wt
.07 grams
1.78
85.0
1. Total Loss = Insertion Loss + 6dB splitter loss.
ZFSC-4375
TOTAL LOSS
S-1(dB)
TOTAL LOSS (dB)
6.6
6.4
6.2
6.0
50
55
60
65
70
75
80
85
90
FREQUENCY (MHz)
S-3(dB)
6.8
60
ISOLATION (dB)
52
44
36
28
20
50
ZFSC-4375
ISOLATION
1-2(dB)
1-4(dB)
3-4(dB)
L
M
N
P
.125 1.688
2.18
.75
3.18 42.88 55.37 19.05
55
60
65
70
75
80
85
90
FREQUENCY (MHz)
1.10
1.08
VSWR
1.06
1.04
1.02
1.00
50
55
60
#S-VSWR
ZFSC-4375
VSWR
#1-VSWR
#3-VSWR
electrical schematic
65
70
75
80
85
90
FREQUENCY (MHz)
ISO 9001 ISO 14001 AS 9100
CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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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.
REV. A
M127604
ZFSC-4375
HY/TD/CP
120306
Industrial Control Electronics
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