This document introduces the LTM 455/450 series of communication products from Taiwan and China, including the features and characteristics of ceramic filters and other components.
The LTM 455/450 series ceramic filters are high‑selectivity components designed for communication applications such as two‑way radios and transceivers. The datasheet provides detailed electrical characteristics, mechanical dimensions, and ordering codes for each filter variant.
In addition to the LTM series, the document covers Token's other ceramic filter families—including LTB, LTT, LZU, LTZ, LTP, LTCS10.7M, and LTS MCB/MDB—offering specifications for TV/VCR, AM, FM, and other frequency ranges, as well as packaging and soldering guidelines.
| 6 dB Band Width (kHz) min (LTB series) | 6 |
|---|---|
| Operating Temperature Range (LTB series) | -20 °C to +80 °C (operating), -40 °C to +85 °C (storage) |
| Peak Soldering Temperature | 240 °C max |
The LTB series operates from –20 °C to +80 °C, and can be stored from –40 °C to +85 °C.
The recommended peak temperature is 240 °C maximum.