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CDKD-Type LTCC Multi-layered Differential Delay Lines
CDKD-type delay line is an LTCC (Low Temperature Co-fired Ceramic) chip-type differential delay line.
It covers 1/4 of the area and, yet, due to ELMEC’s own high-density monolithic LC structure, it maintains a passband higher than the CDAD-type Delay Lines.
Crosstalk is reduced and, even for GHz-level high-speed signals, it can maintain a stable, differential impedance.
It is a Lead-free component with gold-plated external pins.
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Common Specifications
| Impedance: |
single-ended: 50 W ±10%
differential: 100 W ±10% |
| Waveform Distortion: |
Overshoot/preshoot under 20% |
| Delay Time Temp. Coefficient: |
0~150ppm/°C |
| Insulation Resistance: |
DC50V, over 100M W |
| Operating Temperature Range: |
-40°C to +85°C |
| Storage Temperature Range: |
-40°C to +120°C |
| Storage Conditions: |
-40°C to +30°C, under 60%RH within 1 year (MSL 2) |
CDKD Product Specifications
Rise/Fall
Time
(20-80%) |
Delay
Difference |
Delay Time |
Part Number |
Actual(1)* |
Guarantee
(2)* |
DC
Resistance |
| CDKD0105 |
100ps ±50ps |
10ps Max. |
100ps Max. |
10GHz Typ. |
3GHz Min. |
1.0 W Max. |
| CDKD0205 |
200ps ±50ps |
10ps Max. |
100ps Max. |
10GHz Typ. |
3GHz Min. |
1.0 W Max. |
| CDKD0305 |
300ps ±50ps |
10ps Max. |
100ps Max. |
10GHz Typ. |
3GHz Min. |
1.0 W Max. |
| CDKD0405 |
400ps ±50ps |
10ps Max. |
100ps Max. |
7.5GHz Typ. |
3GHz Min. |
1.5 W Max. |
| CDKD0505 |
500ps ±50ps |
10ps Max. |
100ps Max. |
6GHz Typ. |
3GHz Min. |
1.5 W Max. |
| CDKD0605 |
600ps ±50ps |
10ps Max. |
100ps Max. |
5GHz Typ. |
3GHz Min. |
3.0 W Max. |
| CDKD0705 |
700ps ±50ps |
10ps Max. |
110ps Max. |
4.3GHz Typ. |
3GHz Min. |
3.0 W Max. |
| CDKD0805 |
800ps ±50ps |
10ps Max. |
120ps Max. |
3.8GHz Typ. |
3GHz Min. |
3.0 W Max. |
| CDKD0905 |
900ps ±50ps |
10ps Max. |
130ps Max. |
3.3GHz Typ. |
2.7GHz Min. |
3.5 W Max. |
| CDKD1005 |
1.0ns ±50ps |
10ps Max. |
150ps Max. |
3GHz Typ. |
2.4GHz Min. |
3.5 W Max. |
| CDKD1105 |
1.1ns ±55ps |
15ps Max. |
160ps Max. |
2.7GHz Typ. |
2.2GHz Min. |
4.0 W Max. |
| CDKD1205 |
1.2ns ±60ps |
15ps Max. |
180ps Max. |
2.5GHz Typ. |
2GHz Min. |
4.0 W Max. |
| CDKD1305 |
1.3ns ±65ps |
15ps Max. |
190ps Max. |
2.3GHz Typ. |
1.9GHz Min. |
4.5 W Max. |
| CDKD1405 |
1.4ns ±70ps |
15ps Max. |
210ps Max. |
2.1GHz Typ. |
1.7GHz Min. |
4.5 W Max. |
| CDKD1505 |
1.5ns ±75ps |
15ps Max. |
220ps Max. |
2GHz Typ. |
1.6GHz Min. |
4.0 W Max. |
| CDKD2005 |
2.0ns ±100ps |
20ps Max. |
300ps Max. |
1.5GHz Typ. |
1.2GHz Min. |
5.0 W Max. |
| CDKD2505 |
2.5ns ±125ps |
25ps Max. |
360ps Max. |
1.2GHz Typ. |
960MHz Min. |
5.0 W Max. |
| CDKD3005 |
3.0ns ±150ps |
30ps Max. |
400ps Max. |
1.1GHz Typ. |
880MHz Min. |
5.0 W Max. |
| CDKD3505 |
3.5ns ±175ps |
40ps Max. |
510ps Max. |
860MHz Typ. |
690MHz Min. |
6.0 W Max. |
| CDKD4005 |
4.0ns ±200ps |
50ps Max. |
600ps Max. |
750MHz Typ. |
600MHz Min. |
7.5 W Max. |
CDKD5005 |
5.0ns ±250ps
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50ps Max.
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720ps Max.
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600MHz Typ.
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480MHz Min.
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7.5 W Max.
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(1)* In order to achieve the Actual -3dB passband, it is necessary to input a differential signal into the suggested land pattern.
(2)* The guaranteed value of -3dB passband is limited by the band width of the pin probe during product inspection. |
Package Dimensions & Pin Configuration
Unit:mm(inch)
Tolerance:±0.1(±0.004)
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Part Number |
Dimension of T |
| CDKD0105~CDKD0505 |
1.0Max(0.039Max) |
| CDKD0605~CDKD2005 |
2.0Max(0.079Max) |
| CDKD2505, CDKD3005 |
2.5Max(0.098Max) |
| CDKD3505~CDKD5005 |
3.0Max(0.118Max) |
Printable Version - High Resolution PDF
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Packaging of components can be in Tape and Reel for convenience of shipping and storage. The package is embossed with cover tape and contains 500pcs per reel, as shown below. The reel is marked with supplier name, part number, quantities, and lot number.
Unit:mm (inch)
Tolerance:±0.1(±0.004)
T: 5(0.197)Max
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Printable Version - High Resolution PDF
Unit:mm (inch)
Tolerance:±0.1(±0.004)
Output Waveforms
RoHS Compliance Status
1. Compliance StatusInitially developed only as a RoHS-compliant component.
2. Terminal Plating
External: 100% Au
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