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.
I want to ask for the development idea of wincewindows ce virtual serial port pair? I want the windows ce virtual serial port driver to create a virtual serial port pair, which is connected to each ot...
MSP430F5529 has two types of 4 timers, namely 3 Timer_A timers and 1 Timer_B timer. According to the number of capture/comparator registers equipped, they are named Timer0_A (with 5 capture comparator...
Sensors can be processed at very low power through a programmable, autonomous ultra-low power sensor controller CPU with 4KB program and data SRAM memory. The sensor controller with fast wake-up and u...
wince needs to be connected to the decoder. If it is disconnected, there should be a prompt that the sending is unsuccessful. In addition to the system's own read and write exceptions, are there any o...
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
The MCX E series is the most reliability- and safety-focused series in NXP's extensive MCX product portfolio.
With the launch of this series, NXP has further enriched its 5V-compatible MCU pr...[Details]
Bosch has released a new SoC series to support L2+ advanced driver assistance functions. The chip integrates high resolution and long-range detection capabilities, and has built-in support for neur...[Details]
In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
As a pioneer in the new smart home concept, robot vacuums have captured a significant market share. Robot vacuums, also known as automatic sweepers, smart vacuums, or robot vacuums, are smart home ...[Details]
1. Introduction
In 2015, Apple's new MacBook and Apple Watch both featured force-sensing technology, which Apple calls Force Touch. Each time a user presses the touchpad, the device not only p...[Details]
On August 20, Huawei Device announced that the all-new M7 is the first to feature an in-cabin laser vision solution. This solution offers enhanced active safety capabilities compared to primary vis...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
The drive shaft is a high-speed, low-support rotating body, so its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing tests and adjustments on a balancing machine before ...[Details]