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Product Detailed Parameters
- Description：RF FILTER LOW PASS 410MHZ MODULE
- Series：ZXLF
- Mfr：Mini-Circuits
- Package：Tray
- Frequency：410MHz (Cutoff)
- Bandwidth：-
- Filter Type：Low Pass
- Ripple：-
- Insertion Loss：3.5dB
- Mounting Type：Chassis Mount
- Package / Case：Module
- Size / Dimension：0.700" L x 0.500" W (17.78mm x 12.70mm)
- Height (Max)：0.444" (11.27mm)
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Overview
The ZXLF-K42M+ is a reflectionless low-pass filter from Mini-Circuits, operating from DC to 300 MHz. It features a 50 Ohm impedance and utilizes a 2.92 mm termination style. The component has a 3 dB cutoff frequency of 410 MHz and provides stopband performance from 660 MHz to 10 GHz. It is housed in the UK3042 case style and supports a minimum operating temperature of -55 C.
Feature Summary
- Employs novel reflectionless topology that absorbs and terminates stop-band signals internally rather than reflecting them.
Applications
- Industrial applications
- Aerospace & Defense systems
- VHF/UHF Communication equipment
- FM Radio infrastructure
Procurement Notes
Verify the specific datasheet revision (e.g., REV. OR) and ECO number against official Mini-Circuits documentation before procurement. Confirm that the 2.92 mm termination style matches your system interface requirements. Ensure the operating environment stays within the specified temperature range of -55 C or higher. Cross-reference the UK3042 package dimensions with your PCB layout constraints to ensure mechanical compatibility.
Selection Notes
Select this component when internal termination of reflected energy is required to prevent signal integrity issues in sensitive RF paths. The 410 MHz cutoff frequency suits applications needing sharp attenuation above 300 MHz while maintaining passband clarity. The 50 Ohm impedance ensures standard matching for most RF systems. Consider the 2.92 mm connector type for high-frequency interconnect needs.
Part Context
This part belongs to the ZXLF series, which utilizes a unique reflectionless filter design. Unlike traditional filters that reflect out-of-band signals, this topology dissipates stop-band energy internally. This characteristic reduces noise figure degradation and improves system stability in cascaded amplifier stages or sensitive receiver front-ends.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult Mini-Circuits directly for equivalent components if this specific model is unavailable.
FAQ
How does the ZXLF-K42M+ handle stop-band signals?
It uses a reflectionless topology that absorbs and terminates stop-band signals internally, preventing them from reflecting back into the circuit.
What is the cutoff frequency of this filter?
The 3 dB cutoff frequency is 410 MHz.
