晶體濾波器
♦ Crystal Filter can take out only a necessary frequency ingredient and attenuate an unnecessary frequency ingredient.
2Pole SMD MCF
| Model | Nominal Freq. (MHz) |
Package Size (mm) |
3dB Passband Width |
Stop Bandwidth |
Insertion Attenuation (Insertion Loss) |
Terminating Impedance |
||||
|---|---|---|---|---|---|---|---|---|---|---|
| R | C | |||||||||
| L | W | H | (kHz) Min. | (kHz) | (dB) | (dB) Max. | (Ω) | (pF) | ||
| 21E7.5AD | 21.4 | 7.0 | 5.0 | 1.35 | ±3.75 | ±12.5 | 15 | 2 | 1500 | 5 |
| 21E15AB | 21.4 | 7.0 | 5.0 | 1.35 | ±7.5 | ±25 | 15 | 1.5 | 1500 | 1 |
| 21E30AG | 21.4 | 7.0 | 5.0 | 1.35 | ±15 | ±50 | 15 | 1.5 | 2500 | 1.2 |
| 21E7.5A | 21.7 | 7.0 | 5.0 | 1.35 | ±3.75 | ±12.5 | 15 | 2 | 850 | 6 |
| 21E15AA | 21.7 | 7.0 | 5.0 | 1.35 | ±7.5 | ±25 | 15 | 1.5 | 1500 | 1 |
| 21E30AF | 21.7 | 7.0 | 5.0 | 1.35 | ±15 | ±50 | 15 | 1.5 | 2000 | 1.2 |
| 45E7.5AB | 45 | 7.0 | 5.0 | 1.35 | ±3.75 | ±25 | 20 | 2 | 200 | 4 |
| 45E15A | 45 | 7.0 | 5.0 | 1.35 | ±7.5 | ±25 | 13 | 3 | 1000 | 4 |
| 45E30AN | 45 | 7.0 | 5.0 | 1.35 | ±15 | ±60 | 20 | 2 | 650 | 1.5 |
| 90E9A | 90 | 7.0 | 5.0 | 1.35 | ±4 | ±50 | 25 | 5 | 200 | 8 |
4Pole SMD MCF
| Model | Nominal Freq. (MHz) |
Package Size (mm) |
3dB Passband Width |
Stop Bandwidth |
Insertion Attenuation (Insertion Loss) |
Terminating Impedance |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| R | C | Cc | |||||||||
| L | W | H | (kHz) Min. | (kHz) | (dB) | (dB) Max. | (Ω) | (pF) | Cc(pF) | ||
| 45EE7.5A | 45 | 7.0 | 5.0 | 1.35 | ±3.75 | ±12.5 | 20 | 4 | 570 | 2.9 | 11.2 |
| 45EE15AA | 45 | 7.0 | 5.0 | 1.35 | ±7.5 | ±22 | 25 | 3 | 600 | 2.0 | 10.0 |
| 73EE15AA | 73.35 | 7.0 | 5.0 | 1.35 | ±7.5 | ±25 | 30 | 5 | 500 | 3.5 | 7.0 |
4Pole SMD MCF (Equipped with coupling capacitor)
| Model | Nominal Freq. (MHz) |
Package Size (mm) |
3 dB Passband Width |
Stop Bandwidth |
Insertion Attenuation (Insertion Loss) |
Terminating Impedance |
||||
|---|---|---|---|---|---|---|---|---|---|---|
| R | C | |||||||||
| L | W | H | (kHz) Min. | (kHz) | (dB) | (dB) Max. | (Ω) | (pF) | ||
| 21SC15BB | 21.4 | 11.4 | 7.0 | 2.35 | ±7.5 | ±25 | 40 | 3 | 1500 | 1.5 |
| 45SC7.5BG | 45 | 11.4 | 7.0 | 2.35 | ±3.75 | ±12.5 | 25 | 5 | 350 | 6 |
| 45SC15BE | 45 | 11.4 | 7.0 | 2.35 | ±7.5 | ±25 | 35 | 5 | 650 | 2 |
| 45SC20BB | 45 | 11.4 | 7.0 | 2.35 | ±10 | ±25 | 25 | 3 | 800 | 1.5 |
| 45SC30BD | 45 | 11.4 | 7.0 | 2.35 | ±15 | ±60 | 40 | 4 | 1000 | 1 |
| 70SC20BA | 70.05 | 11.4 | 7.0 | 2.35 | ±10 | ±25 | 20 | 4.5 | 300 | 2 |
| 90SC15B | 90 | 11.4 | 7.0 | 2.35 | ±7.5 | ±25 | 25 | 8 | 310 | 2 |
Specifications described in this site are subject to change without notice for improvement.
For more information such as "Reflow Soldering", "Precaution for use", and etc, please refer the Application Note.