This is a specification sheet for a 350MHz filter. Main parameters include insertion loss, bandwidth, frequency response, etc.
This document details the electrical and mechanical characteristics of the Tele Filter TFS 350D band‑pass filter, including insertion loss, pass‑band ripple, and temperature limits. It also covers packaging information such as tape‑and‑reel dimensions and reflow soldering profiles.
Key specifications include a nominal frequency of 350 MHz, insertion loss of 16 dB (max), pass‑band width of ±0.75 MHz, and an operating temperature range of –40 °C to +85 °C. Mechanical data such as a minimum bending radius of 45 mm and a maximum of 3000 filters per reel are also provided.
| Nominal Frequency | 350.0 MHz |
|---|---|
| Insertion Loss (Reference Level) | 16 dB max |
| Pass Band | ±0.75 MHz |
| Amplitude Ripple (Pass Band) | 0.5 dB p‑p max |
| Group Delay Variation (Pass Band) | 180 ns max |
| Return Loss (Pass Band) | 10 dB |
| Relative Attenuation at 0.75 MHz | 0.7 dB max |
| Operating Temperature Range | -40 °C to +85 °C |
| Storage Temperature Range | -65 °C to +85 °C |
| Temperature Coefficient of Frequency | 0.036 ppm/K² |
| Maximum Pieces per Reel | 3000 |
| Minimum Bending Radius | 45 mm |
The nominal frequency is fixed at 350.0 MHz.
It operates from –40 °C to +85 °C.
Up to 3000 pieces per reel are allowed.
The insertion loss reference level is 16 dB max (20 dB typical).