Directional Coupler

SMD Directional Coupler RF Component Supplier

SMD Package
  Descriptions
Yantel directional coupler is a low profile, low cost high performance surface mounted device. This series products are suitable for AMPS, DCS, PCS, UMTs & 3G band applications. The excellent electrical acteristics of high isolation, high directivity, low ion loss and can reach rigorous requirements of signal sampling, and feed-forward amplifiers.
Features
●Very Low Loss
●High Directivity
●Low VSWR
●Good Repeatability
●CTE compatible with FR4, G-10, RF-35, RO4350B and polyie
●Immersion gold, prevent surface oxidation & scratch
●RoHS Compliant
●Tape & Reel Package available 		Applications
●Feed-forward Amplifiers
●Signal Sampling

◆Directional Coupler Processing & Reliability
◆Directional Coupler Reliability Test
 
Part No.Description
  　　　　  **      　　　　　　  ****       　　　　　　　　　　 * 　　　　　　　　  **      　
      Directional Coupler    　Center Frequency(MHz)　　　　 Size(mm) 　　　　 Coupling Value
　　　　DC 0450=410-480  
02=2dB
05=5dB
10=10dB
20=20dB
30=30dB
0900=800 to 1000　　
B＝25.40×12.70
1400=1200 to 1600　　 　
A＝14.22×8.89
1900=1700 to 2000　　　
E＝14.22×5.08
2100=2000 to 2300　　
M＝10.16×5.08
2500=2300 to 2700　　
P＝6.35×5.08
3500=3300 to 3800　　
F＝5.08×3.18
Specifications Note: For military product, the suffix"J" is added to the Part No. (For example: DC0300L20J) .
However, no such suffix for commercial product.
Part No.
Freq.Range
(GHz)
fL- fU
Power
(W)
Size
L×W
(mm)
Insertion Loss
(dB)
Mean
Coupling
(dB)
Directivity
(dB)
Return
(dB)
0.19 ~ 0.4
100
16.51×12.19
0.3
22.7±1.0
10.0
23.1
DC0350M20
0.35 ~ 0.47
20
10.16×5.08
0.1
19.8±2.0
19
24
DC0450E20
0.35~ 0.52
100
14.22×5.08
0.2
20.0±1.0
18
17.7
0.5 ~ 3.0
100
25.4×12.7
0.4
10±1.5
20
18.5
0.5 ~ 3.0
100
25.4×12.7
0.4
15±1.2
19
19.0
DC0600A05
0.58 ~ 0.62
250
14.22×8.89
0.21
5.0±0.35
23
24.9
DC07F02 NEW
0.69 ~ 1.0
25
5.08×3.18
0.25
1.95±0.2
17
23
DC09T10 NEW
0.7 ~ 1.0
2
2×1.25
0.35
10.0±0.50
14.5
16.7
DC09T20 NEW
0.7 ~ 1.0
2
2×1.25
0.3
20.0±0.50
18
18
DC09F05 NEW
0.7 ~ 1.0
25
5.08×3.18
0.25
5±0.3
16.5
19
DC09F20 NEW
0.7 ~ 1.0
25
5.08×3.18
0.075
19.5±1.0
19
18.2
0.7 ~ 1.0
225
6.35×5.08
0.10
30±1.5
17.5
20.8
DC0850M20
0.7 ~ 1.0
20
10.16×5.08
0.1
19.8±2.0
19
24
0.7 ~ 2.7
150
25.4×12.7
0.35
15±1.2
20
20.8
0.7 ~ 2.7
150
25.4×12.7
0.35
20±1.2
20
20.8
0.7 ~ 2.7
150
25.4×12.7
0.25
35.5±1.5
17
17.7
DC0900A05
0.8 ~ 1.0
250
14.22×8.89
0.19
5.0±0.35
21
21.2
DC0900P05
0.8 ~ 1.0
25
6.35×5.08
0.35
5.0±0.5
14
17.0
DC0900A10
0.8 ~ 1.0
225
14.22×8.89
0.18
10.0±0.50
20
20.8
DC0900A20
0.8 ~ 1.0
150
14.22×8.89
0.18
20.0±0.70
20
20.0
DC0900E20
0.8 ~ 1.0
200
14.22×5.08
0.10
20±1.0
22
21
0.8 ~ 1.0
20
10.16×5.08
0.10
26.5±0.4
15
16.5
DC0900A30
0.8 ~ 1.0
150
14.22×8.89
0.18
30.0±1.50
20
20.8
0.8 ~ 1.0
355
25.4×12.19
0.12
29.8±1.00
25
23.1
0.8 ~ 1.0
25
6.35×5.08
0.38
10.2±1.0
14
15
0.8 ~ 2.65
60
6.35×5.08
0.30
10.5±2.0
17
18.5
0.8 ~ 3.0
150
25.4×12.7
0.2
25±1.0
21
22.1
1.0 ~ 2.0
60
14.22×8.89
0.15
10±1.0
20
20.8
DC1500A20
1.0 ~ 2.0
160
14.22×8.89
0.15
20±1.50
20
20.8
DC1500A30 
1.0 ~ 2.0
120
14.22×8.89
0.16
30±2.4
12
20.8
DC14F02 NEW
1.2 ~1.7
25
5.08×3.18
0.2
1.9±0.2
21
23.1
1.2 ~ 1.4
75
6.35×5.08
0.3
20±1.0
15
17.7
DC19F20 NEW
1.4 ~ 2.7
25
5.08×3.18
0.3
20±1.5
16
16.5
DC20F30 NEW
1.4 ~ 2.7
100
5.08×3.18
0.3
30.5±1.5
16
15.6
1.5 ~ 2.0
70
6.35×5.08
0.15
4±0.3
20
20.0
1.7 ~ 2.0
35
6.35×5.08
0.25
5±0.30
20
20.0
1.7 ~ 2.0
70
6.35×5.08
0.18
5±0.40
20
20.8
1.7 ~ 2.0
20
6.35×5.08
0.25
10±0.50
18
20.8
DC1900P20 
1.7 ~ 2.0
25
6.35×5.08
0.20
20±2.5
16
15.5
DC1900P30 
1.4 ~ 2.7
200
6.35×5.08
0.10
30±1.5
16
19
DC1900A05
1.7 ~ 2.0
200
14.22×8.89
0.19
5.0±0.25
22
23.1
DC1900A10
1.7 ~ 2.0
175
14.22×8.89
0.15
10±0.40
20
20.8
DC1900A20
1.7 ~ 2.0
150
14.22×8.89
0.15
20.0±0.80
20
23.1
DC1900A30 
1.7 ~ 2.0
120
14.22×8.89
0.21
30.0±1.50
18
20.8
DC1900E10
1.7 ~ 2.0
190
14.22×5.08
0.12
10.1±0.50
23
23.1
DC19T10 NEW
1.7 ~ 2.2
2
2×1.25
0.3
10.0±1.0
18.5
20.5
1.7 ~ 2.2
2
2×1.25
0.25
20.5±1.50
15
20
DC19F05 NEW
1.7 ~ 2.3
25
5.08×3.18
0.15
5±0.3
20
20
1.7 ~ 2.3
5
2×1.25
0.5
2±0.5
20
22
1.71 ~ 3.6
60
6.35×5.08
0.30
7±0.40
20
20.0
DC20F02 NEW
1.8 ~ 2.2
25
5.08×3.18
0.35
2±0.40
16.7
20
2.0 ~ 2.3
30
6.35×5.08
0.25
5±0.30
20
20.0
2.0 ~ 2.3
70
6.35×5.08
0.18
5±0.30
21
23.1
2.0 ~ 2.3
20
6.35×5.08
0.25
10±1.0
19
19.1
2.0 ~ 2.3
25
6.35×5.08
0.31
20±1.5
18
19.7
2.0 ~ 2.3
125
14.22×8.89
0.18
5.0±0.25
20
19.7
2.0 ~ 2.3
175
14.22×8.89
0.20
10±0.20
25
23
2.0 ~ 2.3
120
14.22×8.89
0.15
20.0±0.60
22
20.8
2.0 ~ 2.3
120
14.22×8.89
0.13
30±1.0
17
20.8
2.3 ~ 2.7
60
6.35×5.08
0.35
2±0.50
20
17.7
2.3 ~ 2.7
2
2×1.25
0.2
10.0±0.50
22
16
DC25T20 NEW
2.3 ~ 2.7
2
2×1.25
0.25
20.0±1.0
14
18
DC25F02 NEW
2.3 ~ 2.7
20
5.08×3.18
0.35
2±0.20
16
16
2.3 ~ 2.7
25
5.08×3.18
0.25
4±0.30
21
20
DC25F05 NEW
2.3 ~ 2.7
25
5.08×3.18
0.25
5±0.50
15
19
2.3 ~ 2.7
60
6.35×5.08
0.25
4.2±0.30
21
19
2.3 ~ 2.7
60
6.35×5.08
0.35
5±0.40
19
20.0
2.3 ~ 2.7
20
6.35×5.08
0.25
10±0.75
18
20.1
2.3 ~ 2.7
25
6.35×5.08
0.16
20±1.5
16
22.1
DC2500E10
2.3 ~ 2.7
145
14.22×5.08
0.14
10±0.50
20
21.2
2.3 ~ 2.9
200
6.35×5.08
0.15
30.5±1.0
20
19
DC30T10 NEW
2.3 ~ 3.7
2
2×1.25
0.35
10.0±1.5
18
17
DC30T20 NEW
2.3 ~ 3.7
2
2×1.25
0.3
20.0±1.0
16
18
DC30F30 NEW
2.3 ~ 3.8
100
5.08×3.18
0.12
30±1.5
20
20
DC35T02 NEW
3.1 ~ 4.2
5
2×1.25
0.3
2±0.25
18
20
DC35T10 NEW
3.2 ~ 3.7
2
2×1.25
0.3
10.0±0.50
18
20
DC35T20 NEW
3.2 ~ 3.7
2
2×1.25
0.4
21.0±1.50
17
16
DC40K30 NEW
3.2 ~ 4.2
25
3.25×2.6
0.25
30±1.50
18
19
DC3500M10
3.3 ~ 3.7
22
10.16×5.08
0.25
10.5±0.80
20
20.8
DC3500M20
3.3 ~ 3.8
80
10.16×5.08
0.2
20±1.00
21
20.8
DC3500P20
3.3 ~ 3.8
45
6.35×5.08
0.2
20±1.00
20
20.8
DC35F05 NEW
3.2 ~ 3.8
25
5.08×3.18
0.25
5±0.30
15
19
DC35F02 NEW
3.3 ~ 4.2
10
5.08×3.18
0.35
2±0.20
18
19
DC40K20 NEW
3.3 ~ 5.1
25
3.18×2.54
0.08
20±1.00
19
19
DC45F04 NEW
3.6 ~ 5.1
25
5.08×3.18
0.2
4±0.40
17
20.8
DC55F30 NEW
3.6 ~ 6.3
100
5.08×3.18
0.25
30±3.5
20
13.9
4.4 ~ 5.5
10
2×1.25
0.25
21.0±1.50
18
18
5 ~ 6
15
5.08×10.16
0.3
10±0.75
18
17
DC0270W50
0.02 ~ 0.52
300
38.1×25.4
0.25
50±1.0
20
19
0.02 ~ 1.0
150
31.75×19.05
0.35
50±1.0
20
13.5
0.02 ~ 1.0
300
38.1×25.4
0.30
50±1.0
14
20
0.03 ~ 0.52
300
38.1×25.4
0.20
50±1.0
21
20
0.03 ~ 0.54
100
17.57×8.6
0.45
25±2.0
17
12
DC0300W40
0.1 ~ 0.5
300
38.1×25.4
0.25
40±1.0
18.5
19
DC0600W40
0.2 ~ 1.0
300
38.1×25.4
0.35
40±1.0
20
19
0.475 ~ 0.62
600
18.5×17.4
0.2
40±2.0
15
19
0.5 ~ 2.5
150
25.4×12.7
0.30
33±2.0
20
19
DC1500W36
0.5 ~ 2.7
200
38.1×25.4
0.4
36±1.5
18
18
0.5 ~ 3.0
100
25.4×12.7
0.4
10±1.5
20
18.5
0.5 ~ 3.0
100
25.4×12.7
0.4
15±1.2
19
19.0
0.7 ~ 2.7
150
25.4×12.7
0.35
15±1.2
20
20.8
0.7 ~ 2.7
150
25.4×12.7
0.35
20±1.2
20
20.8
0.7 ~ 2.7
150
25.4×12.7
0.25
35.5±1.5
10
17.7
0.8 ~ 3.0
150
25.4×12.7
0.2
25±1.0
21
22.1
0.8 ~ 4.2
150
25.4×12.7
0.55
32±2.5
14.5
10
0.8 ~ 4.2
150
25.4×12.7
0.4
32±2.0
18
10
DC1650W20
0.8 ~ 2.5
150
25.4×12.7
0.25
20±1.5
20
19
DC1500W20
1.0 ~ 2.0
200
14.22×8.89
0.2
20±1.0
20
19
DC3000W20
2.0 ~ 4.0
100
14.22×8.89
0.25
20±1.0
20
17.5
2.0 ~ 6.0
100
14.22×5.08
0.40
10.5±2.5
18
17.7
2.0 ~ 6.0
100
14.22×5.08
0.25
20±1.0
16
17.7
2.0 ~ 6.0
180
25.4×12.7
0.30
19.5±1.0
15.5
12.9
2.5 ~ 6.0
100
14.22×8.89
0.25
20±2.0
15
15
DC4255W10
2.5 ~ 6.0
100
25.41×8.89
0.4
20±0.5
15
16.5
 
 Mechanical Outline
Note: All Dimensions show in Millimeters.




Return to Directional Coupler

Applications

SMD Directional Coupler is widely used in RF communication links, radar sub-systems, GNSS modules, and industrial wireless control equipment.

Selection Guide

When selecting SMD Directional Coupler, verify frequency band, insertion loss, isolation or attenuation target, package type, and power handling against your design requirements.

FAQ

What is the typical use of SMD Directional Coupler?

It is used to control, split, combine, or sample RF signals in communication and microwave circuits.

How do I choose the right model?

Start from your operating frequency and electrical target, then confirm footprint and environmental conditions.

Who is the supplier and what is the brand?

Supplier: Baiao Technology | Brand: Yantel