7.7

LTM 450/455 W

series

Characteristics

Filter THT, Ceramic

Features:

- For communication

- 6 elements

- 450/455 KHz

Order key

F

- LTM 450

- AW

-

Part

Package

Individual specification

Option

F= Ceramic filter

LTM 450

AW

FW

blank = standard

LTM 455

BW

GW

CW

HW

DW

IW

EW

HTW

X=Special options

Drawing

Test circuit

LTM 450/455 W

Dimensions in mm

All specifications are subject to change without notice.

Specifications

LTM 450

Part number

AW

BW

CW

DW

EW

FW

GW

HW

IW

HTW

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

6

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 LTM450W

40

40

40

40

40

40

40

40

40

60

Input/output impedance (Ohm)

1000

1500

1500

1500

1500

2000

2000

2000

2000

2000

Specifications

LTM 455

Part number

AW

BW

CW

DW

EW

FW

GW

HW

IW

HTW

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

6

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 LTM455W

40

40

40

40

40

40

40

40

40

60

Input/output impedance (Ohm)

1000

1500

1500

1500

1500

2000

2000

2000

2000

2000