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Part Details for LFCN-490D+ by Mini-Circuits
Results Overview of LFCN-490D+ by Mini-Circuits
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Environmental Monitoring
Industrial Automation
Telecommunications
Automotive
LFCN-490D+ Information
LFCN-490D+ by Mini-Circuits is a Ceramic Filter.
Ceramic Filters are under the broader part category of Filters.
A filter is an electronic circuit that selectively allows certain frequencies to pass while attenuating others. They are used to extract desired signals and remove noise. Read more about Filters on our Filters part category page.
Price & Stock for LFCN-490D+
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
3157-LFCN-490D+CT-ND
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DigiKey | CER FILTER 650MHZ LOW PASS Min Qty: 1 Lead time: 18 Weeks Container: Tape & Reel (TR), Digi-Reel®, Cut Tape (CT) |
3268 In Stock |
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$3.5400 / $6.1100 | Buy Now |
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DISTI #
139-LFCN-490D
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Mouser Electronics | Signal Conditioning LOW PASS FLTR / SURF MT / RoHS RoHS: Compliant | 1301 |
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$3.8000 / $5.9000 | Buy Now |
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Quest Components | 84 |
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$2.7440 / $5.8800 | Buy Now |
Part Details for LFCN-490D+
LFCN-490D+ CAD Models
LFCN-490D+ Part Data Attributes
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LFCN-490D+
Mini-Circuits
Buy Now
Datasheet
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Compare Parts:
LFCN-490D+
Mini-Circuits
Ceramic LPF, 7 Section(s) Min, 7 Section(s) Max, 650MHz, ROHS COMPLIANT, CERAMIC, CASE FV1206, 4 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | MINI-CIRCUITS | |
| Package Description | ROHS COMPLIANT, CERAMIC, CASE FV1206, 4 PIN | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | Mini-Circuits | |
| Additional Feature | TAPE AND REEL | |
| Attenuation Frequency (+/- delta f)-Max | 230000 kHz | |
| Attenuation Frequency (+/- delta f)-Min | 190000 kHz | |
| Attenuation@Freq-Max | 30 dB | |
| Attenuation@Freq-Min | 20 dB | |
| Average Input Power | 8.5 W | |
| Center or Cutoff Frequency (fo/fc) | 650 MHz | |
| Filter Type | CERAMIC LPF | |
| Height | 0.94 mm | |
| Input/Output Impedance | 50 OHM | |
| Insertion Loss-Max | 3 dB | |
| JESD-609 Code | e3 | |
| Length | 3.2 mm | |
| Mounting Type | SURFACE MOUNT | |
| Number of Sections-Max | 7 | |
| Number of Sections-Min | 7 | |
| Number of Terminals | 4 | |
| Operating Temperature-Max | 100 °C | |
| Operating Temperature-Min | -55 °C | |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier | |
| VSWR | 1.2 | |
| Width | 1.6 mm |
LFCN-490D+ Frequently Asked Questions (FAQ)
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Mini-Circuits recommends a 4-layer PCB with a solid ground plane on the bottom layer, and a via-stitched ground plane on the top layer. The device should be placed near the edge of the board to minimize signal reflections. A low-impedance path to ground is essential for the device's internal biasing network.
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The LFCN-490D+ requires a 5V power supply and a bias current of 50mA. Ensure that the power supply is clean and well-regulated, and that the bias current is set correctly using the recommended bias resistor values. Improper biasing can lead to reduced performance and instability.
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The LFCN-490D+ can handle input powers up to +15dBm without damage. However, it's recommended to operate the device at input powers below +10dBm to ensure optimal performance and minimize the risk of overheating.
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Common issues such as oscillations or instability can be caused by improper biasing, poor PCB layout, or inadequate decoupling. Check the power supply and biasing network, ensure that the PCB layout follows the recommended guidelines, and add additional decoupling capacitors if necessary. If the issue persists, consult the Mini-Circuits application note AN-60-014 for troubleshooting guidelines.
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The LFCN-490D+ is rated for operation over a temperature range of -40°C to +85°C. However, optimal performance is achieved between 0°C and +50°C. Operating the device outside the recommended temperature range may affect its performance and reliability.