LTWC455E Datasheet, PDF (1/4 Pages) Shenzhen Luguang Electronic Technology Co., Ltd – Ceramic Filter

LTWC455E
Ceramic Filter
1. SCOPE
This specification shall cover the characteristics of the ceramic filter with
455KHz.
2. PART NO.:
LTWC455E
3. ELECTRICAL SPECIFICATIONS
3-1 Center frequency(fo)
455KHz±1.5KHz max.
3-2 Band Width at 6dB
±7.50KHz min.(to 455KHz)
3-3 Band Width at 50dB
±15.0KHz max.(to 455KHz)
3-4 Stop Band Attenuation
50dB min. (at 455±100KHz max.)
3-5 Ripple
2.0dB max.(at 455±5.0KHz)
3-6 Insertion Loss
3-7 Temperature Coefficient
6.0dB max.(at the smallest loss)
±50ppm/℃ max.
of Center Frequency
(-20℃ to +80℃)
3-8 Spurious Response
3-9 Group Delay Time Deviation
0.1-1.0MHz min. 25dB
max. 30μsec.(455±4.0KHz)
3-10 Dielectric withstanding Voltage
3-11 Insulation Resistance(DC 10V)
3-12 Input / Output Impedance
100V.DC(1 minute)
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℃.
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