Communication Ceramic Filters
(LTM 455/450 U/W)Introduction (LTM 455/450 U/W)
Token communication ceramic filter is Murata CFUM/WM 455/450 compatible. Token ceramic filters for communication LTM 455/450 U/W series are miniaturized versions of the Murata CFU/CFWS lines.
These compact, highly selective characteristics are recommended for use in applications ranging from two-way radio to auxiliary filters in high class transceivers.
These ultra-miniature versions consume approximately 40% less volume while still offering the same high performance filter characteristics. Download complete (LTM 455/450) Communication Ceramic Filter Datasheet PDF (291KB).
Benefit Features :
- LTM 455 EU Dimensions: (6.5 x 6.5 x 6.2 mm).
- LTM 455 EW Dimensions: (6.5 x 9.5 x 6.2 mm).
- Center Frequency: 455kHz (450kHz is also available).
- Input / Output Impedance: 1000Ω ~ 2000Ω.
- Insertion Loss (dB) max: 4db, 6db.
- Pass Band Ripple (dB) max: 2db.
Dimensions (Unit: mm) (LTM 455/450 U/W)
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Technical Characteristics (LTM 455/450 U/W)
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Part Number | Center Frequency (kHz) | Insertion Loss (dB) max | Pass Band Ripple (dB) max | 6dB Band Width (kHz) min | 40dB Band Width (kHz) max LTM455 U | 50dB Band Width (kHz) max LTM455 W | Spurious Attenuation fo±100kHz (dB) min | Input / Output Impedance (Ω) | |||
LTM455 U | LTM455 W | ||||||||||
LTM455AU | LTM455AW | 455±2.0 | 4 | 2 | ±17.5 | ±40 | ±35 | 28 | 40 | 1000 | |
LTM455BU | LTM455BW | 455±2.0 | 4 | 2 | ±15 | ±30 | ±30 | 28 | 40 | 1500 | |
LTM455CU | LTM455CW | 455±2.0 | 4 | 2 | ±12.5 | ±24 | ±24 | 28 | 40 | 1500 | |
LTM455DU | LTM455DW | 455±1.5 | 4 | 2 | ±10 | ±20 | ±20 | 28 | 40 | 1500 | |
LTM455EU | LTM455EW | 455±1.5 | 6 | 2 | ±7.5 | ±15 | ±15 | 28 | 40 | 1500 | |
LTM455FU | LTM455FW | 455±1.5 | 6 | 2 | ±6 | ±12.5 | ±12.5 | 28 | 40 | 2000 | |
LTM455GU | LTM455GW | 455±1.5 | 6 | 2 | ±4.5 | ±10 | ±10 | 28 | 40 | 2000 | |
LTM455HU | LTM455HW | 455±1.0 | 6 | 2 | ±3 | ±9 | ±9 | 28 | 40 | 2000 | |
LTM455IU | LTM455IW | 455±1.0 | 6 | 2 | ±2 | ±7.5 | ±7.5 | 28 | 40 | 2000 | |
LTM455HTU | LTM455HTW | 455±1.0 | 6 | 2 | ±3 | ±9 | ±9 | 35 | 60 | 2000 |
Center frequency 450kHz is also available.
Test Circuit (LTM 455/450 U/W)
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Order Codes (LTM 455/450 U/W)
LTM455BU | P | ||
1 | 2 | ||
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