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Dielectric Filters - DF Series

Dielectric Filters DF Series C & D Type

Dielectric filters DF series with high permittivity, high dielectric constants, extremely temperature stability and high Q that enables the design of stable microwave oscillators and filters.
Applications for CT1, CT2, 900MHz, 1.8GHz, 2.4GHz, 5.8GHz Cordless Phone, wireless earphone, wireless microphone.


High dielectric materials and associated products are also available for custom application requirements.

DF - C & D Type Configuration & DF - C & D Type Dimensions
Dielectric filters DF - C & D Type Configuration Dielectric filters DF - C & D Type Dimensions

DF Typical Specifications
Part No. Center
Frequency
(MHz)
Band Width
(MHz)
Insertion
Loss
(dB)max.
Ripple in
Band Width
(dB)max.
V.S.W.R
max.
Attenuation
(dB)min.(MHz)
DF1575S40C 1575 fo±20 2.0 0.7 2.0 20 at fo-100;   18 at fo+100
DF1855S70C 1855 fo±35 2.0 0.7 2.0 20 at fo+300;   20 at fo-300
DF1890S80C 1890 fo±40 2.0 0.7 2.0 15 at fo+250;   35 at fo-250
DF1950S90C 1950 fo±45 3.0 0.7 2.0 45 at fo+975;   45 at fo-975
DF2332S100C 2332 fo±50 2.5 0.7 2.0 25 at fo+500;   40 at fo-500
DF2450S100C 2450 fo±50 2.0 0.7 2.0 12 at fo+250;   15 at fo-250
DF3066S170D 3066 fo±85 2.0 1.0 2.0 10 at fo+300;   15 at fo-300
DF3480S120D 3480 fo±60 2.0 1.0 2.0 10 at fo+500;   20 at fo-500
DF3650S150D 3650 fo±75 2.0 1.0 2.0 15 at fo+750;   25 at fo-750
DF4880S160D 4880 fo±80 2.0 1.0 2.0 5 at fo+350;   15 at fo-350
DF5800S200D 5800 fo±100 2.0 1.0 2.0 5 at fo+400;   15 at fo-400

DF - C & D Type Typical Characteristic

How to Order (For 2 Pole)
DF864S10A
12345
1 Dielectric Filter
2 Center Frequency
3 Connect Type
CodeConnect Type
SSMD type
4 BandWidth
5 Size
CodeSize
A7.3 × 3.6
B6.0 × 3.0
C4.5 × 2.0
D3.6 × 1.8

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