ECS-D479.5B is a SAW FILTER produced by ECS INC. INTERNATIONAL. The center frequency is 478.0~481.0 MHz, the insertion loss is 23 dB, the 3 dB bandwidth is 25.7~27.7 MHz, the spurious response is 0~750 MHz, the frequency stability is -25 to +85 °C -86 ppm/°C, the insulation resistance is 10V DC 1 MΩ, the input is 60Ω / 4.8 pF, the output is 260Ω / 3.1 pF, the operating temperature is -25 +85 °C, the storage temperature is -40 +85 °C.
This document provides technical specifications for the ECS-D479.5B Surface Acoustic Wave (SAW) Filter manufactured by ECS Inc. International. The device operates within a center frequency range of 478.0 to 481.0 MHz with an insertion loss of 23 dB at 479.5 MHz.
The datasheet outlines operating conditions including a temperature range of -25°C to +85°C and lists electrical parameters such as spurious response, frequency stability, and input/output impedance. It also includes package dimensions in millimeters and pin connection definitions for the filter component.
| Center Frequency Range | 478.0 to 481.0 MHz |
|---|---|
| Insertion Loss @ 479.5 MHz | 23 dB |
| 3 dB Pass Band | 25.7 to 27.7 MHz |
| Spurious Response | 0 to 750 MHz, 30 dB |
| Operating Temperature Range | -25°C to +85°C |
The center frequency ranges from 478.0 MHz to 481.0 MHz.
The maximum operating temperature is +85 °C.