ECS-45K7.5B

Overview

The ECS-45K7.5B is a monolithic crystal filter manufactured by ECS Inc., designed for through-hole mounting in electronic circuits. It operates at a center frequency of 45 MHz with a bandwidth of 30 kHz and an impedance of 350 Ohms. The component features a 4dB insertion loss and utilizes a UM-1 x 2 package measuring 7.30mm x 2.50mm. It supports a load capacitance of 6.5 pF and functions within an operating temperature range of -20°C to 70°C.

Feature Summary

• Monolithic construction for stable frequency filtering
• Through-hole radial terminal style for PCB integration
• Defined 30 kHz bandwidth at 45 MHz center frequency

Applications

• Intermediate frequency (IF) filtering in communication receivers
• Signal processing stages requiring precise bandpass characteristics
• Radio frequency circuit design for 45 MHz applications

Procurement Notes

Verify the specific part number suffix against official ECS Inc. documentation to ensure correct specifications. Confirm that the required operating temperature range and load capacitance match the system design requirements before procurement. Cross-reference datasheet details for package dimensions and electrical parameters to avoid compatibility issues during implementation.

Selection Notes

Select this component when a 45 MHz center frequency with a 30 kHz bandwidth is required for signal conditioning. Ensure the circuit design accommodates the specified 350 Ohm impedance and 6.5 pF load capacitance. Consider the through-hole mounting requirement and physical dimensions of the UM-1 x 2 package for PCB layout constraints.

Part Context

This component belongs to the family of monolithic crystal filters produced by ECS Inc. These devices are engineered to provide sharp frequency selectivity in analog and digital signal processing applications. The series typically offers various center frequencies and bandwidth options to suit different communication and instrumentation needs.

Replacement Considerations

The ECS-45K7.5A is a documented substitute variant within the same product line, featuring similar core specifications but potentially differing in pole count or packaging configuration. Verify exact electrical parameters and mechanical fit before substitution.