Ceramic Low Pass Filter Mini-Circuits LFCN-4400D Suitable for 50 Ohm Systems and General Lab Testing
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Product Description
Mini-Circuits LFCN-4400D+ Ceramic Low Pass Filter
The Mini-Circuits LFCN-4400D+ is a high-performance ceramic low pass filter designed for 50 impedance systems. It offers excellent power handling up to 8W and features a compact size, 7-section design, temperature stability, and hermetic sealing. Constructed using LTCC technology, this filter is ideal for harmonic rejection, VHF/UHF transmitters/receivers, and general lab use. It is protected by U.S. Patent 6,943,646 and is RoHS compliant.
Product Attributes
- Brand: Mini-Circuits
- Model: LFCN-4400D+
- Type: Ceramic Low Pass Filter
- Impedance: 50
- Construction: LTCC
- Certifications: +RoHS Compliant
- Origin: USA (implied by address)
Technical Specifications
| Parameter | Frequency (MHz) | Min. | Typ. | Max. | Units | Notes |
|---|---|---|---|---|---|---|
| Passband Insertion Loss | DC-4400 | - | - | 1 | dB | 1, 2 |
| Cut-Off Frequency | 5290 | - | 3.0 | - | dB | 2 |
| VSWR (Passband) | DC-4400 | - | 1.2 | - | :1 | 1, 2 |
| Stop Band Rejection Loss | 6700 | 20 | - | - | dB | - |
| Stop Band Rejection Loss | 6280-9800 | - | 30 | - | dB | - |
| Stop Band Rejection Loss | 9800-13000 | - | 20 | - | dB | - |
| VSWR (Stop Band) | 6700-13000 | - | 17 | - | :1 | - |
| DC Resistance to ground | - | 100 | - | - | Mohms | 1 |
| Operating Temperature | - | -55 | - | 100 | C | - |
| Storage Temperature | - | -55 | - | 100 | C | - |
| RF Power Input | 25C | - | - | 8 | W max. | 3 |
| Max. DC Voltage (pins 1&3) | - | - | - | 25 | VDC | - |
| DC Current Input to Output | 25C | - | - | 0.5 | A max. | - |
Notes:
1. Measured on Mini-Circuits Characterization Test Board TB-270.
2. Derate linearly to 3W at 100C ambient.
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