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_isolator_cu1l2581_en.fm
RF Components
CU1L2581 Series
SHAPES AND DIMENSIONS
25.4
2.3
20.8
3.0
3.8
0.64
31.8
20.8
4-
ø2.9
7.6
Tolerance unless otherwise specified: ±0.3
9.5max.
2.8
Dimensions in mm
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20151001 / rf_isolator_cu1l2581_en.fm
RF Components
CU1L2581 Series
ELECTRICAL CHARACTERISTICS
Frequency
range
(MHz)
716 to 728
729 to 746
734 to 746
746 to 756
758 to 768
758 to 803
773 to 803
791 to 821
852 to 869
860 to 875
860 to 890
859 to 894
869 to 894
875 to 890
925 to 960
945 to 960
1475.9 to 1510.9
1525 to 1559
1805 to 1880
1844.9 to 1879.9
1880 to 1920
1930 to 1990
1930 to 1995
2010 to 2025
2110 to 2170
Center
frequency
(MHz)
722
737.5
740
751
763
780.5
788
806
860.5
867.5
875
876.5
881.5
882.5
942.5
952.5
1493.4
1542
1842.5
1862.4
1900
1960
1962.5
2017.5
2140
Isolation
(dB)
min.
25
25
25
25
25
21
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Insertion
loss
(dB)
max.
0.25
0.25
0.25
0.25
0.25
0.30
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
V.S.W.R. Handling
Zo=50: power
max.
1.15
1.15
1.15
1.15
1.15
1.25
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
(W)
max.
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
Reflection IMD
power
45Wx2tone
(W)
4
max.
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
(dBc)
max.
–65
–65
–65
–65
–65
–62
–65
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
–70
Part Number
ClockWise
CU1L2581AT-722-00
CU1L2581AT-737-00
CU1L2581AT-740-00
CU1L2581AT-751-00
CU1L2581AT-763-00
CU1L2581AT-780-00
CU1L2581AT-788-00
CU1L2581AT-806-00
CU1L2581AT-860-00
CU1L2581AT-867-00
CU1L2581AT-875-00
CU1L2581AT-876-00
CU1L2581AT-881-00
CU1L2581AT-882-00
CU1L2581AT-942-00
CU1L2581AT-952-00
CU1L2581AT-1493-00
CU1L2581AT-1542-00
CU1L2581AT-1842-00
CU1L2581AT-1862-00
CU1L2581AT-1900-00
CU1L2581AT-1960-00
CU1L2581AT-1962-00
CU1L2581AT-2017-00
CU1L2581AT-2140-00
CounterClockWise
CU1L2581BT-722-00
CU1L2581BT-737-00
CU1L2581BT-740-00
CU1L2581BT-751-00
CU1L2581BT-763-00
CU1L2581BT-780-00
CU1L2581BT-788-00
CU1L2581BT-806-00
CU1L2581BT-860-00
CU1L2581BT-867-00
CU1L2581BT-875-00
CU1L2581BT-876-00
CU1L2581BT-881-00
CU1L2581BT-882-00
CU1L2581BT-942-00
CU1L2581BT-952-00
CU1L2581BT-1493-00
CU1L2581BT-1542-00
CU1L2581BT-1842-00
CU1L2581BT-1862-00
CU1L2581BT-1900-00
CU1L2581BT-1960-00
CU1L2581BT-1962-00
CU1L2581BT-2017-00
CU1L2581BT-2140-00
Characteristic Impedance (:) : 50(Nominal)
4
To be kept below +85deg.C at the bottom surface
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
20151001 / rf_isolator_cu1l2581_en.fm
RF Components
CU1L2581 Series
PACKAGING STYLE
TRAY DIMENSIONS
29.6
240.0
236.2
232.8
+0.2
25.6
–
0
12.0
41.0
41.0
40.0
B
R1
0.0
41.0
40.0
41.0
40.0
15.0
CU1L25T-01
33.1
9.0
A
TDK
R6
.00
3.22
0
.0
R2
40.0
A
40.0
8.0
B
124.20
142.84
150.0
146.2
142.8
R3.0
40.0
C15
80.0
160.0
204.4
3.0
15.0
20.0
B-B
20.0
A-A
15.0
9.3
ø
1
6.0
Dimensions in mm
PACKAGE QUANTITY
Standard package quantity
(pieces/tray)
15
• All specifications are subject to change without notice.
• Before using these products, be sure to request the delivery specifications.
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