LTUC455KDx Piezoelectronic 455 Khz Ceramic Filter
NO. | Item | Specification |
4 – 1 |
Center Frequency f0 (Center of 6dB Bandwidth) | 455±1.0 KHz |
4 – 2 | Bandwidth(3dB) | ±7.0KHz min |
Bandwidth(6dB) | ±10.0KHz min | |
Bandwidth(40dB) | ±25.0KHz min | |
4 – 3 | Stop Band Attenuation | 25dB min |
4 – 4 | Ripple (f0±5khz) | 1.0dB max |
4 – 5 |
Insertion Loss (At minimum loss point) | 5.0dB max |
4 – 6 | Temperature Stability (-20℃~ +80℃ ) | ±0.5% max (-25℃ ~ +80℃) |
4-7 | (0.1~1MHz)Spurious Response | 20dB min |
4-8 | (fo±2.0 kHz)GDT Ripple deviation | 20μsec max |
4-9 | Operating Temperature | -20℃ ~ +80℃ |
4-10 | Storage Temperature | -40℃ ~ +85℃ |
4-11 | Insulation Resistance(DC 25V 1 minute) | 100MΩ min |
4 – 12 | Input/Output Impedance | 1.5 KΩ |
NO. |
Item |
Measurement condition |
Requirement |
7-1 |
Random Drop |
Filter shall be measured after 3 times random drops from the height of 30cm on concrete floor |
No visible damage and it meet Table 1 |
7-2 |
|
| |
Vibration | Filter shall be measured after being applied | No damage and it meet | |
vibration of amplitude of 1.5mm with 10-55Hz | Table 1. | ||
band of vibration frequency to each of 3 | |||
perpendicular directions for 2 hours | |||
7-3 |
Solderability | ||
Lead terminals are immersed in aide solder for 5 sec and then immersed in soldering bath of |
At least 95% lead terminals shall be covered | ||
230±5℃, for 3±0.5 sec. | with solder. | ||
7-4 |
Substrate Bending Test |
It shall meet table 1.
| |
Apply pressure in the direction of arrow (see Fig. 3) at a rate of about 0.5mm per second until it | |||
reaches a | |||
bend of 3mm and hold for 30 seconds. | |||
7-5 |
|
| |
Adhesion | A static load of 20N to the direction of the | It shall meet Table 1. | |
arrow (see | |||
Fig. 4) shall be applied on the core of the | |||
component | |||
and hold for 10 seconds. Filter shall be
|
soldered correctly and tightly to PCB. | |||
7-6 |
Reflow Soldering |
It shall meet Table 1.
| |
Put on the solder paste on the printed wiring board (pattern is shown in Fig. 5), the samples | |||
shall be mounted and soldered under the | |||
condition (pattern is shown in Fig. 6), then it | |||
shall be subjected to the room atmosphere for | |||
24 hours prior to the measurement. |
NO. |
Item |
Measurement condition |
Requirement |
8 – 1 |
Humidity |
It shall meet Table 1. | |
After being placed in a chamber with 90-95% R.H. at 40±2℃ for 100 hours and then being | |||
placed in room temperature for 1 hour, filter | |||
shall be measured. | |||
8 – 2 |
|
| |
Resistance to | Lead terminals are immersed up to 1.5mm | ||
Solder Heat | from filter’s body in soldering bath of 350± | It shall meet Table 1. | |
10℃, for 3±0.5 sec. And then filter shall be | |||
measured after being placed in room | |||
temperature for 1 hour. | |||
8 – 3 |
High Temperature |
It shall meet Table1 | |
After being placed in a chamber with 80±2 ℃,for 100 hours and then being placed in room temperature for 1 hour , filter shall be | |||
measured. | |||
8 – 4 |
Low Temperature |
After being placed in a chamber with -20±2 ℃,for 100 hours and then being placed in |
It shall meet Table 1 |
room temperature for 1 hour, filter shall be measured. | |||
8 – 5 |
Heat Shock |
It shall meet Table 1 | |
After being kept at room temperature, filter shall be placed at temperature of –55 ℃ , for | |||
30 minutes, then be placed at temperature. 85 | |||
℃, for 30 minutes. After that returned to –55 | |||
℃ again. Repeated above cycle for 5 times. | |||
After being kept in room temp. for 1 hour, | |||
filter shall be measured |
Table 1
| Specification |
Center Frequency |
455±1.0 KHz max |
Bandwidth(6dB) |
±10.0KHz min |
Selectivity(40dB) |
±25.0 KHz max |
Stop Band Attenuation(fo±100KHz) |
25dB min |
Ripple |
1.0dB max |
Insertion Loss |
5.0dB max |
Operating Temperature Range | -20℃ to 80℃ |
---|---|
Shape | SMD |
Elements | 4 |
Center Frequency | 455.0kHz |
Center Frequency Tolerance | ±1kHz |
Nominal Center Value | No |
6dB Bandwidth | fn±10.0kHzmin. |
Stop Bandwidth | 25.0kHz |
Area of Stop Bandwidth | [within 40dB] |
Stop Band Attenuation | 23dB[within fn±100kHz] |
Insertion Loss | 7.0dB[at minimum loss point] |
Ripple | 1.0dB[within fn±7kHz] |
GDT Deviation | 20.0μs[within fn±7kHz] |
Input/Output Impedance | 1500Ω |
Other Usage | Communication Equipment |
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Packaging | Specifications | Minimum Order Quantity |
---|---|---|
-R0 | 180mm Embossed Tape | 450 |
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