Ceramic Filter (4 pins)
LTM455_U / LTM450_U Series


TECHNICAL CHARACTERISTICS ( 455khz Series )
 
Part Number Center Freq.
( khz )
Insertion Loss
( dB )
Pass Band
Ripple
( dB ) max.
At 6 dB
Bandwidth
( khz ) min.
40dB
Bandwidth
( khz ) max.
Stop Band
-+100khz
( dB ) min.
Input/output
Impedance
( ohms )
LTM455BU 455-+2.0 4 2 -+15 -+30

30

1500

LTM455CU 455-+2.0 4 2 -+12.5 -+24

30

1500

LTM455DU 455-+1.5 4 2 -+10 -+20

30

1500

LTM455EU 455-+1.5 6 2 -+7.5 -+15

30

1500

LTM455FU 455-+1.5 6 2 -+6 -+12.5

30

2000

LTM455GU 455-+1.5 6 2 -+4.5 -+10

30

2000

LTM455HU 455-+1.0 6 2 -+3 -+9

30

2000

LTM455IU 455-+1.0 6 2 -+2 -+7.5

30

2000

LTM455HTU 455-+1.0 6 2 -+3 -+9

35

2000


TECHNICAL CHARACTERISTICS ( 450khz Series )
 
Part Number Center Freq.
( khz )
Insertion Loss
( dB )
Pass Band
Ripple
( dB ) max.
At 6 dB
Bandwidth
( khz ) min.
40dB
Bandwidth
( khz ) max.
Stop Band
-+100khz
( dB ) min.
Input/output
Impedance
( ohms )
LTM450BU 450-+2.0 4 2 -+15 -+30

30

1500

LTM450CU 450-+2.0 4 2 -+12.5 -+24

30

1500

LTM450DU 450-+1.5 4 2 -+10 -+20

30

1500

LTM450EU 450-+1.5 6 2 -+7.5 -+15

30

1500

LTM450FU 450-+1.5 6 2 -+6 -+12.5

30

2000

LTM450GU 450-+1.5 6 2 -+4.5 -+10

30

2000

LTM450HU 450-+1.0 6 2 -+3 -+9

30

2000

LTM450IU 450-+1.0 6 2 -+2 -+7.5

30

2000

LTM450HTU 450-+1.0 6 2 -+3 -+9

30

2000


TEST CIRCUIT
 
Dimensions