Coaxial
Power Splitter/Combiner
ZAPD-21+
2 Way-0° 50Ω
500 to 2000 MHz
Maximum Ratings
Features
• wideband, 500 to 2000 MHz
• low insertion loss, 0.25 dB typ.
• good isolation, 25 dB typ.
N-Type version shown
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
CASE STYLE: F53
-55°C to 100°C
10W max.
Connectors Model
Price
Qty.
• up to 10W power input as splitter
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 1 deg. typ.
• excellent VSWR, 1.20:1 typ.
• rugged shielded case
BNC
SMA
N-TYPE
ZAPD-21+
ZAPD-21-S+
ZAPD-21-N+
$64.95
$69.95
$69.95
(1-9)
(1-9)
(1-9)
0.125W max.
Permanent damage may occur if any of these limits are exceeded.
Coaxial Connections
SUM PORT
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
S
1
2
Applications
• UHF
• GPS
PORT 1
• communications systems
• instrumentation
PORT 2
• cellular
• PCS/DCS
Electrical Specifications
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 3.0 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
Outline Drawing
fL-fU
Typ. Min
Typ. Max.
0.25 1.0
Max.
3
Max.
0.2
500-2000
25
18
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
500.00
525.00
575.00
625.00
675.00
3.17
3.18
3.12
3.14
3.14
3.14
3.15
3.10
3.12
3.11
0.03
0.03
0.02
0.02
0.03
21.12
22.44
25.62
29.70
33.67
0.45
0.48
0.50
0.53
0.60
1.31
1.27
1.18
1.10
1.03
1.16
1.13
1.07
1.02
1.04
1.17
1.14
1.08
1.03
1.02
750.00
825.00
900.00
1000.00
1200.00
3.08
3.22
3.18
3.21
3.17
3.05
3.19
3.15
3.17
3.14
0.03
0.03
0.03
0.04
0.03
30.96
27.43
25.73
25.37
30.28
0.61
0.73
0.77
0.68
0.92
1.08
1.17
1.24
1.29
1.21
1.11
1.17
1.21
1.23
1.15
1.09
1.15
1.19
1.22
1.16
inch
Outline Dimensions (
)
F
mm
A
2.00
B
C
D
E
G
.125
3.18
2.00
.75
1.00
.13 1.750
3.30 44.45
1400.00
1600.00
1800.00
1900.00
2000.00
3.19
3.23
3.35
3.33
3.31
3.17
3.19
3.31
3.30
3.29
0.02
0.04
0.03
0.03
0.01
29.13
24.08
27.44
35.87
33.59
1.15
1.27
1.41
1.42
1.48
1.03
1.16
1.22
1.19
1.15
1.01
1.10
1.16
1.18
1.17
1.03
1.08
1.15
1.17
1.18
50.80 50.80 19.05 25.40
H
.39
J
K
L
wt
grams
170.0
1.00
.50
1.00
9.91 25.40 12.70 25.40
ZAPD-21+
INSERTION LOSS
ZAPD-21+
ISOLATION
45
40
35
30
25
20
3.5
3.4
3.3
3.2
3.1
3.0
S-1(dB)
S-2(dB)
500
800
1100
1400
1700
2000
500
800
1100
1400
1700
2000
FREQUENCY (MHz)
FREQUENCY (MHz)
ZAPD-21+
VSWR
1.5
1.4
1.3
1.2
1.1
1.0
electrical schematic
#S-VSWR
#1-VSWR
#2-VSWR
500
800
1100
1400
1700
2000
FREQUENCY (MHz)
®
minicircuits.com
Mini-Circuits
REV. B
ISO 9001 ISO 14001 AS 9100 CERTIFIED
M108294
ZAPD-21+
HY/TD/CP
080714
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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