LTWC450H Datasheet, PDF (1/4 Pages) Shenzhen Luguang Electronic Technology Co., Ltd – Ceramic Filter

LTWC450H
Ceramic Filter
1. SCOPE
This specification shall cover the characteristics of the ceramic filter with
450KHz.
2. PART NO.:
LTWC450H
3. ELECTRICAL SPECIFICATIONS
3-1 Center frequency(fo)
450KHz±1.5KHz max.
3-2 Band Width at 6dB
±3.0KHz min.(to 450KHz)
3-3 Band Width at 50dB
±9.0KHz max.(to 450KHz)
3-4 Stop Band Attenuation
47dB min. (at 450±100KHz max.)
3-5 Ripple
2.0dB max.(at 450±5.0KHz)
3-6 Insertion Loss
3-7 Temperature Coefficient
of Center Frequency
6.0dB max.(at the smallest loss)
±50ppm/℃ max.
(-20℃ to +80℃)
3-8 Spurious Response
3-9 Group Delay Time Deviation
0.1-1.0MHz min. 25dB
max. 30μsec.(450±4.0KHz)
3-10 Dielectric withstanding Voltage
100V.DC(1 minute)
3-11 Insulation Resistance(DC 10V)
3-12 Input / Output Impedance
min.100MΩ
1.5KΩ
Note 1) Center frequency shall be defined as the center of the band width 6dB.
Note 2) Temperature coefficient of center frequency shall be defined as the
average of the center frequency shift throughout the specified
temperature range.
4. MEASUREMENT
4-1 Measuring Condition
The reference temperature shall be 25±2℃. Unless the result is doubtful,
the measurement shall be performed in the temperature range of 5 to 35℃.
SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD.