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Product Detailed Parameters
- Description：RF FILTER LOW PASS 4GHZ MODULE
- Series：ZLSS-4G-S+
- Mfr：Mini-Circuits
- Package：Bulk
- Frequency：4GHz (Cutoff)
- Bandwidth：-
- Filter Type：Low Pass
- Ripple：-
- Insertion Loss：2dB
- Mounting Type：Chassis Mount
- Package / Case：Module, SMA Connectors
- Size / Dimension：0.900" L x 0.700" W (22.86mm x 17.78mm)
- Height (Max)：0.650" (16.51mm)
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Overview
The ZLSS-4G-S+ is a suspended substrate low-pass filter manufactured by Mini-Circuits, designed for operation from DC to 4000 MHz. It features a 50Ω impedance and SMA connectors. The module offers nominal coupling options of 10dB or 20dB with mainline losses of 0.2dB or 2dB respectively. It supports up to 2W power handling capability while providing good insertion loss and high rejection characteristics.
Feature Summary
- Utilizes suspended substrate technology for enhanced performance
- Provides high rejection and good insertion loss
- Supports up to 2W power handling capability
Applications
- RF signal processing systems requiring low-pass filtering
- Test and measurement equipment operating up to 4 GHz
- Communication infrastructure components
Procurement Notes
Verify the specific coupling value (10dB or 20dB) and mainline loss (0.2dB or 2dB) required for your application, as these parameters vary within the ZLSS-4G-S+ series. Confirm that the SMA connector type matches your system interface requirements. Ensure the 2W power handling limit is sufficient for your operational conditions. Check the datasheet for precise electrical specifications at your target frequency.
Selection Notes
Select this component when a low-pass filter with a 4 GHz cutoff is needed in a modular form factor. Consider the suspended substrate design for improved performance over standard microstrip filters. Evaluate the available coupling and loss options to match system sensitivity and power constraints. Verify compatibility with existing SMA-based interconnects.
Part Context
This part belongs to Mini-Circuits' suspended substrate low-pass filter family. These modules are engineered for broadband applications requiring sharp cutoff characteristics. The ZLSS-4G-S+ specifically targets frequencies up to 4000 MHz, offering a compact alternative to discrete filter designs while maintaining reliable performance in RF environments.
Replacement Considerations
Consult Mini-Circuits documentation for direct substitutes. Alternative models may offer different cutoff frequencies or power ratings. Ensure any replacement maintains the 50Ω impedance and SMA connector configuration to preserve system integrity without redesigning the PCB footprint.
