RF Devices
Type :
Part No : EHF _ _ _ _ _ _ _
Directional Coupler
Features
Miniature, thin (1.6 ｘ 0.8 ｘ t 0.55)
Multiple frequency ranges available (800MHz to 2000 MHz)
High isolation
Recommended Applications
Digital portable telephone
Dual-mode portable telephone
PHS
Mobile communication system
Typical Characteristics
Coupling Factor ꢀ(dB)
10
11
12
13
14
15
16
17
2CQ0850
800 to 900
27 min
18
19
20
4CT0870
820 to 920
27 min
Part No.
4CH0850
800 to 900
20 min
2CJ0850
800 to 900
21 min
※2
2CK1900
4CL1900
2CM1900
2CN1900
4CP1950
4CR0850
4CS1750
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1850 to 1950 1850 to 1950 1850 to 1950 1850 to 1950 1900 to 2000
22 min
※2
800 to 900 1700 to 1800
25 min
※1
19 min
※1
24 min
※2
25 min
※2
26 min
※1
29 min
※1
※1
※2
※1
2CH1900
4CJ1900
4CK1750
4CL1450
FD1541
2CN1750
4CP0900
850 to 950
23 min
FD1540
800 to 1000
24 min
4CR0900
850 to 950
25 min
4CS0850
800 to 900
27 min
※1
4CT0850
800 to 900
28 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1850 to 1950 1850 to 1950 1700 to 1800 1400 to 1500 1850 to 1950 1700 to 1800
18 min
※2
18 min
※1
18 min
※1
22 min
※1
19 min
※3
25 min
※2
※1
※3
※1
※1
4CH1750
2CJ0900
4CK1900
4CL1750
2CM0900
4CN0850
800 to 900
25 min
※1
4CP0950
900 to 1000
24 min
4CQ0850
800 to 900
25 min
4CR0950
900 to 1000
25 min
4CS0900
850 to 950
27 min
※1
FD1542
1850 to 1950
26 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1700 to 1800 850 to 950
19 min
※1
1850 to 1950 1700 to 1800 850 to 950
18 min
※1
21 min
※2
20 min
※1
24 min
※2
※1
※1
※1
※3
2CH1950
4CJ1450
4CK1950
4CL1950
4CM1750
4CN0900
850 to 950
25 min
※1
4CP1450
FD1548
4CR1750
4CS1450
4CT1810
1710 to 1910
25 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1900 to 2000 1400 to 1500 1900 to 2000 1900 to 2000 1700 to 1800
18 min
※2
1400 to 1500 1700 to 1800 1400 to 1500 850 to 950
23 min
※1
21 min
※1
18 min
※1
19 min
※1
19 min
※1
23 min
※3
28 min
※1
29 min
※1
※1
4CS0897
880 to 915
28 min
※1
4CH1900
4CJ1750
2CK1950
2CL1450
2CM1950
4CN1450
4CP1750
4CQ1900
4CR1900
4CT0900
850 to 950
26 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1850 to 1950 1700 to 1800 1900 to 2000 1400 to 1500 1900 to 2000 1400 to 1500 1700 to 1800 1850 to 1950 1850 to 1950
18 min
※1
18 min
※1
21 min
※2
22 min
※2
24 min
※2
22 min
※1
26 min
※1
27 min
※1
28 min
※1
※1
4CH1950
4CJ1950
2CL1750
4CM1950
4CN1750
4CP1900
4CQ1750
2CR0900
850 to 950
28 min
※2
4CT0950
900 to 1000
25 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1900 to 2000 1900 to 2000
17 min
1700 to 1800 1900 to 2000 1700 to 1800 1850 to 1950 1700 to 1800
23 min
※2
18 min
※1
18 min
※1
19 min
※1
26 min
※1
27 min
※1
※1
※1
2CJ1750
1700 to 1800
20 min
4CL1950A
1900 to 2000
24 min
4CM0950
900 to 1000
24 min
4CN1950
1900 to 2000
25 min
2CP0900
850 to 950
26 min
※2
4CQ0950
900 to 1000
24 min
4CT1450
1400 to 1500
30 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
※2
※1
※1
※1
※1
※1
4CM1450
2CN1950
2CP0950
4CQ1450
1400 to 1500
27 min
2CT0950
900 to 1000
30 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1400 to 1500 1900 to 2000 900 to 1000
21 min
※1
25 min
※2
26 min
※2
※1
※2
4CM1900
1850 to 1950
18 min
2CP1450
4CQ1950
2CT1810
1710 to 1910
25 min
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
1400 to 1500 1900 to 2000
26 min
27 min
※1
※1
※2
※2
4CQ1810
1710 to 1910
27 min
4CT0835
820 to 850
30 min
2CM1750
1700 to 1800
Frequency (MHz)
Isolation (dB)
Dimension No.
25 min
※2
※1
※1
（Dual）
Range 1
Range 2
Part No.
Dimension No.
Frequency (MHz)
824 to 849
Coupled Value (dB)
Isolation (dB)
Frequency (MHz)
1850 to 1910
1850 to 1910
1710 to 1785
1710 to 1785
1710 to 1785
Coupled Value (dB)
Isolation (dB)
20 min
FD1819
2WJ0836
FD1812D
FD1824
20
14
19
14
19
25 min
17 min
24 min
18 min
24 min
16
14
14
14
19
※4
※4
※4
※4
※4
824 to 849
880 to 915
880 to 915
880 to 915
20 min
17 min
18 min
23 min
FD1825
Note: Emits EHF.
Dimensions in mm （not to scale）
※1
※3
※4
※2
1.6±0.2
1.25±0.1
0.95±0.1
1.25±0.1
0.95±0.1
0.8±0.1
0.55±0.1
0.65±0.1
1.6±0.1
1.6±0.2
2.0±0.1
2.0±0.1
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Mar 2005
Shoud a safety concern arise regarding this product, please be sure to contact us immediately.
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