7.4

LT 450/455 U

series

Characteristics

Filter THT, Ceramic

Features:

- For communication

- 4 elements

- 450/455 KHz

Order key

F

- LT 450

- AU

-

Part

Package

Individual specification

Option

F= Ceramic filter

LT 450

AU

FU

blank = standard

LT 455

BU

GU

CU

HU

DU

IU

EU

HTU

X=Special options

Drawing

Test circuit

LT 450/455 U

Dimensions in mm

All specifications are subject to change without notice.

Specifications

Part number

LT450AU LT450BU LT450CU LT450DU LT450EU

LT450FU

LT450GU LT450HU

LT450IU

LT450HTU

Center frequency (kHz)

450±2.0

450±2.0

450±2.0

450±1.5

450±1.5

450±1.5

450±1.5

450±1.0

450±1.0

450±1.0

Insertion loss (dB) max

4

4

4

4

6

6

6

6

6

6

Pass band ripple (dB) max

2

2

2

2

2

2

2

2

2

2

6dB bandwidth (kHz) min

±17.5

±15

±12.5

±10

±7.5

±6

±4.5

±3

±2

±3

40dB bandwidth (kHz) max

±40

±30

±24

±20

±15

±12.5

±10

±9

±7.5

±9

Spurious Attenuation LT450/U

28

28

28

28

28

28

28

28

28

35

Input/output impedance (Ohm)

1000

1500

1500

1500

1500

2000

2000

2000

2000

2000

Specifications

Part number

LT455AU LT455BU LT455CU LT455DU LT455EU

LT455FU

LT455GU LT455HU

LT455IU

LT455HTU

Center frequency (kHz)

455±2.0

455±2.0

455±2.0

455±1.5

455±1.5

455±1.5

455±1.5

455±1.0

455±1.0

455±1.0

Insertion loss (dB) max

4

4

4

4

6

6

6

6

6

6

Pass band ripple (dB) max

2

2

2

2

2

2

2

2

2

2

6dB bandwidth (kHz) min

±17.5

±15

±12.5

±10

±7.5

±6

±4.5

±3

±2

±3

40dB bandwidth (kHz) max

±40

±30

±24

±20

±15

±12.5

±10

±9

±7.5

±9

Spurious Attenuation LT455/U

28

28

28

28

28

28

28

28

28

35

Input/output impedance (Ohm)

1000

1500

1500

1500

1500

2000

2000

2000

2000

2000

LT450

LT455