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Home >> Products >> Ceramic Filter

Ceramic Filter

The ceramic filters, special cystal filters and LC filters are series products. The working temperature range is from -55℃ to 85℃. The filters could be manufactured respectively according to all different requirements.

The main performance parameters and external dimensions of filters are as follows.

CERAMIC FILTERS

Table 1 performance parameter of ceramic filter

Specified Frequency	Variation of center frequency	Insertion Loss	Ripple in Passband	Bandwidth at -3dB	Shape Factor	Stopband Attenuation
fT (MHz)	Df0(KHz)	B0(dB)	Db(dB)	Df-3dB(KHz)	K(40dB/3dB)	BZ(dB)
0.050~0.150	±(1～2)	£4	£1.0	2～6	£1.5～2	40～60
0.150~0.400	±(1～3)	£4	£1.0	2～15	£2	40～70
0.400~0.465	±(2～5)	£4	£1.5	10～50	£2	40～70
0.465~1	±(2～5)	£4	£1.5	10～100	£2	40～70
1～2	±(5～30)	£5	£1.5	20～300	£2	³40
3～4	±(5～30)	£4	£1.5	40～400	£2	³40
5～6	±(5～30)	£5	£1.5	40～450	£2	³40
7～8	±(5～30)	£5	£1.5	40～500	£2	³40
9～10	±(5～30)	£5	£1.5	40～1500	£2～3	³40
11～14	±(5～40)	£5	£1.5	40～1700	£2～3.5	³40
15～21	±(5～40)	£10	£1.5	40～1600	£2～3.5	³40

Figure 1 external form of ceramic filter

Table 2 external dimensions of ceramic filter

parameter model	L	W	H	h	a	b	Φd
A	32	11	12	20	25	6.5	0.65
B	25	11	12	20	16	6.5	0.65
C	21	11	12	20	16	6.5	0.65
D	16	7.5	10	6.5	13	6.5	0.6
E	11	7.5	10	*	*	*	*

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