RoHS Directive Compliant Product: See the following for more details related to RoHS Directive compliant products. http://product.tdk.com/en/environment/rohs/
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20151001 / rf_circulator_cu1s1281_en.fm
RF Components
CU1S1281 Series
SHAPES AND DIMENSIONS
[Top view]
120°
ø12.25
ø15.5
Tolerance unless otherwise specified: ±0.3
7.0max.
0±0.1
3PL Contact Pin
Coplanarity
3-
ø1.2
Dimensions in mm
RECOMMENDED LAND PATTERN
13.92
2.0
20°
20°
RECOMMENDED PC BOARD PATTERN
0.5
11.17
2.0
3.875
9.0
7.0
R3.5
R6.
1
R2
.5
25
11.0
2
Dimensions in mm
0.5
Dimensions in mm
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20151001 / rf_circulator_cu1s1281_en.fm
50Ω Line
RF Components
CU1S1281 Series
ELECTRICAL CHARACTERISTICS
Frequency
range
(MHz)
1805 to 1880
1844.9 to 1879.9
1880 to 1920
1930 to 1990
1930 to 1995
2010 to 2025
2110 to 2170
2300 to 2400
2350 to 2360
2496 to 2690
2570 to 2620
2620 to 2690
3400 to 3600
3480 to 3600
3600 to 3800
Center
frequency
(MHz)
1842.5
1862.4
1900
1960
1962.5
2017.5
2140
2350
2355
2593
2595
2655
3500
3540
3700
Isolation
(dB)
min.
20
20
21
20
18
21
20
23
23
18
23
21
20
20
18
Insertion
loss
(dB)
max.
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
V.S.W.R.
Zo=50:
max.
1.22
1.22
1.20
1.22
1.25
1.20
1.22
1.15
1.15
1.25
1.15
1.20
1.22
1.22
1.25
Handling
power
(W)
max.
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
IMD
10Wx2tone
(dBc)
max.
–60
–60
–60
–60
–60
–60
–60
–60
–60
–60
–60
–60
–60
–60
–60
Part Number
ClockWise
CU1S1281AC-1842-00
CU1S1281AC-1862-00
CU1S1281AC-1900-00
CU1S1281AC-1960-00
CU1S1281AC-1962-00
CU1S1281AC-2017-00
CU1S1281AC-2140-00
CU1S1281AC-2350-00
CU1S1281AC-2355-00
CU1S1281AC-2593-00
CU1S1281AC-2595-00
CU1S1281AC-2655-00
CU1S1281AC-3500-00
CU1S1281AC-3540-00
CU1S1281AC-3700-00
CounterClockWise
CU1S1281BC-1842-00
CU1S1281BC-1862-00
CU1S1281BC-1900-00
CU1S1281BC-1960-00
CU1S1281BC-1962-00
CU1S1281BC-2017-00
CU1S1281BC-2140-00
CU1S1281BC-2350-00
CU1S1281BC-2355-00
CU1S1281BC-2593-00
CU1S1281BC-2595-00
CU1S1281BC-2655-00
CU1S1281BC-3500-00
CU1S1281BC-3540-00
CU1S1281BC-3700-00
Characteristic Impedance (:) : 50(Nominal)
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20151001 / rf_circulator_cu1s1281_en.fm
RF Components
CU1S1281 Series
PACKAGING STYLE
REEL DIMENSIONS
330
Dimensions in mm
TAPE DIMENSIONS
Reel side
1.75±0.1
Pulling side
28.0±0.1
2.0±0.1
4.0±0.1
19.42
1.5
+0.1
–0
0.5±0.05
7.0
32.0±0.3
28.4±0.1
13.0±0.1
17.38
7.8±0.1
Dimensions in mm
Tolerance: ±0.2
PACKAGE QUANTITY
Standard package quantity
(pieces/reel)
200
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
