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LFCN-5500+
Mini-Circuits
LTCC LOW PASS FILTER, DC - 5500
1485 Pcs New Original In Stock
6.2GHz Cut Off Low Pass Ceramic Filter 50Ohm 4-SMD, No Lead
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5.0 / 5.0
- (381 Ratings)
LFCN-5500+
Product Overview
9832387
DiGi Electronics Part Number
LFCN-5500+-DGManufacturer
Mini-Circuits
LFCN-5500+
Description
LTCC LOW PASS FILTER, DC - 5500Inventory
1485 Pcs New Original In Stock
6.2GHz Cut Off Low Pass Ceramic Filter 50Ohm 4-SMD, No Lead
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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LFCN-5500+ Technical Specifications
Category
Ceramic Filters
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Frequency
6.2GHz Cut Off
Impedance
50Ohm
Insertion Loss
2dB
Filter Type
Low Pass
Mounting Type
Surface Mount
Package / Case
4-SMD, No Lead
Size / Dimension
0.126" L x 0.063" W (3.20mm x 1.60mm)
Height (Max)
0.037" (0.94mm)
Datasheet & Documents
HTML Datasheet
LFCN-5500+-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8548.00.0000
Additional Information
Other Names
3157-LFCN-5500+CT
3157-LFCN-5500+DKR
3157-LFCN-5500+TR
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Ich vertraue auf die hochwertige Verpackung und die präzise Sendungsverfolgung bei jeder Bestellung.
de desembre 02, 2025
Their packaging is sturdy and well-designed, and the prices are just unbeatable.
de desembre 02, 2025
DiGi Electronics demonstrates excellent foresight in secure packaging design.
de desembre 02, 2025
Order tracking was easy to use, and my package arrived right on time.
de desembre 02, 2025
I value their prompt responses and the care they take to ensure my needs are met.
de desembre 02, 2025
I find their delivery process to be swift and dependable.
de desembre 02, 2025
The cost savings I experienced here were remarkable, especially during promotional seasons.
de desembre 02, 2025
DiGi Electronics makes it easy to get high-quality electronics without overspending.
de desembre 02, 2025
Their integrity in pricing and product quality makes every shopping experience positive.
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Frequently Asked Questions (FAQ)
Can the LFCN-5500+ be used as a drop-in replacement for the TQL-5-5000+ in a 5G mmWave front-end design without impedance matching adjustments?
Yes, the LFCN-5500+ can typically serve as a drop-in replacement for the TQL-5-5000+ in 5G applications because both filters maintain a 50Ohm impedance and similar SMD footprint (3.20mm x 1.60mm). However, the LFCN-5500+ has a sharper roll-off and slightly lower insertion loss (2dB max vs. ~2.3dB), which may improve signal integrity. Verify stopband rejection above 6.2GHz in your layout, as the LFCN-5500+ suppresses harmonics more effectively. No additional matching networks are usually required, but simulate in your specific stack-up to confirm return loss remains below -10dB through 6GHz.
How does the LFCN-5500+ perform in high-reliability automotive radar systems exposed to thermal cycling from -40°C to +105°C?
The LFCN-5500+ is well-suited for automotive radar (e.g., 77GHz systems with fundamental LO harmonics below 6.2GHz) due to its LTCC construction, which offers excellent thermal stability and minimal parameter drift across -40°C to +105°C. Its MSL-1 rating ensures no moisture-related risk during reflow, and the ROHS3/REACH compliance supports long-term reliability. However, ensure proper PCB land design and avoid rigid mechanical stress, as ceramic SMD packages can crack under board flex. Monitor insertion loss variation in production units—typically it stays within ±0.3dB across temperature when properly mounted.
What PCB layout guidelines should I follow to prevent parasitic resonance when integrating the LFCN-5500+ in a densely packed RF front end?
To prevent parasitic resonances with the LFCN-5500+, keep input and output traces as short and straight as possible—ideally under 2mm—and use 50Ohm microstrip design with a solid ground plane beneath. Avoid stubs, vias near the filter, or adjacent high-speed digital lines. Ensure at least 0.5mm clearance to neighboring components to reduce coupling. Use symmetric ground via fencing on both sides of the filter if operating near 6GHz. Additionally, avoid placing the LFCN-5500+ near board edges to prevent radiation effects that could distort its roll-off response.
Is the LFCN-5500+ suitable for suppressing LO leakage in a wideband mixer operating up to 5.8GHz, and how close can the passband edge be to my operating frequency?
Yes, the LFCN-5500+ is effective for suppressing LO leakage in mixers up to 5.8GHz due to its 6.2GHz cutoff and 2dB max insertion loss, ensuring minimal signal attenuation in-band. Operating at 5.8GHz places you within the passband, but expect insertion loss to approach the 2dB upper limit due to roll-off near cutoff. For consistent performance, ensure your critical signals stay below 5.5GHz if flat response is required. The filter’s steep transition band provides strong rejection above 6.2GHz, making it ideal for attenuating LO feedthrough or RF harmonics in wideband systems like 802.11ax or 5G small cells.
What are the risks of using the LFCN-5500+ instead of a higher-power rated filter like the LFCN-7000+ in a power amplifier output stage?
Using the LFCN-5500+ in a PA output stage risks performance degradation or failure if RF power exceeds its unspecified but limited handling capacity—LTCC SMD filters like the LFCN-5500+ typically handle <1W average power. In contrast, the LFCN-7000+ is designed for higher-power applications with improved thermal dissipation. Exceeding power limits can cause localized heating, impedance shift, or delamination. If your PA output exceeds 500mW near 6GHz, derate cautiously or select a filter with defined power ratings. Always include a margin for peak-to-average power ratio (PAPR) in modulated signals to prevent long-term reliability issues with the LFCN-5500+.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LFCN-5500+ CAD Models
Mini-Circuits LFCN-5500+ PCB symbols & footprints
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