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Product Detailed Parameters
- Description：FILTER LC(T) 0.022UF TH
- Series：EMIFIL®, DSS9
- Mfr：Murata Electronics
- Package：Bulk
- Type：Low Pass
- Filter Order：3rd
- Technology：LC (T-Type)
- Number of Channels：1
- Center / Cutoff Frequency：-
- Attenuation Value：-
- Resistance - Channel (Ohms)：-
- Values：C = 0.022µF
- ESD Protection：No
- Operating Temperature：-25°C ~ 85°C
- Applications：General Purpose
- Voltage - Rated：-
- Mounting Type：Through Hole
- Package / Case：Radial - 3 Leads
- Size / Dimension：0.472" L x 0.295" W (12.00mm x 7.50mm)
- Height：0.413" (10.50mm)
- Current：6:00 AM
- Grade：-
- Qualification：-
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Overview
The Murata DSS9NT31H223Q55B is a third-order LC T-type EMI filter designed for through-hole mounting. It features a radial three-lead configuration with a capacitance of 0.022 µF and a current rating of 6 A to 7 A. The component operates within a temperature range of -25°C to +85°C. Physical dimensions include a height of 7.5 mm and a diameter of 10 mm. It functions as a low-pass filter for single-channel applications.
Feature Summary
- Third-order LC T-type topology for enhanced noise attenuation
- Three-terminal feed-through capacitor design for effective grounding
- Radial leaded construction for standard PCB integration
Applications
- General EMI/RFI filtering in electronic circuits
- Power line noise suppression
- Signal integrity protection in sensitive electronics
Procurement Notes
Verify the specific current rating (6 A or 7 A) against the manufacturer's official datasheet, as sources vary. Confirm the operating temperature range (-25°C to 85°C) matches system requirements. Ensure the radial three-lead package fits the target PCB layout. Check for end-of-life status or obsolescence notices before finalizing procurement plans.
Selection Notes
Select this component when a third-order low-pass filter is required for high-current DC lines. The T-type LC structure offers superior attenuation compared to simple capacitors. Ensure the 10 mm diameter and 7.5 mm height fit the mechanical constraints. Verify compatibility with the 0.022 µF capacitance value for the intended cutoff frequency.
Part Context
This part belongs to the Murata DSS9 series of EMI filters. It utilizes a feed-through capacitor technology housed in a robust radial package. The series is designed for reliable performance in demanding electromagnetic environments, providing stable filtering characteristics across its specified operating temperature range.
Replacement Considerations
The DSS9NP32A222Q55B is a similar LC T-type filter from the same manufacturer but differs in capacitance (2200 pF vs 0.022 µF). Verify electrical specifications carefully before substitution. No other direct public substitutes are confirmed.
