BFCN-4440+
| Part Number | BFCN-4440+ |
| Manufacturer | Mini-Circuits |
| Category | RF Components > RF Filters > Multilayer Ceramic Bandpass Filter |
| Description | 50Ohm SMD Bandpass Filter, 4440MHz Center Frequency, RF Channel Selection & Out-of-Band Interference Suppression,SMD-4P,3.2×1.6mm Package |
Product Overview
The BFCN-4440+ is a compact surface-mount bandpass RF filter designed and produced by Mini-Circuits with center frequency fixed at 4440MHz. Constructed with mature multilayer ceramic dielectric technology, this component achieves low insertion loss inside the target passband and high attenuation for out-of-band low-frequency clutter and high-order harmonic signals. Its miniature SMD outline supports fully automatic SMT pick-and-place assembly for mass PCB production, maintaining stable RF electrical characteristics across a wide operating temperature range. It is widely deployed for channel filtering, frequency screening and signal purification in sub-6GHz 5G equipment, ISM microwave wireless modules and laboratory broadband RF testing instruments.
Key Specifications
| Brand | Mini-Circuits |
| RoHS | RoHS Compliant |
| EDA / CAD | Symbols, Footprints, 3D Models Available |
| Warranty | 1 Year Standard Warranty |
| Package / Case | SMD-4P,3.2×1.6mm Package |
| Mounting Type | Surface Mount |
| Surface Marking / Silkscreen | BFCN-4440+ |
| Center Frequency | 4440MHz |
| Nominal Impedance | 50 Ohm |
| Passband Insertion Loss | Typ 0.91dB, Max ≤2.3dB @4440MHz |
| Operating Temperature | -55°C ~ 100°C |
Typical Applications
- Sub-6GHz 5G Communication Transceiver Channel Filter Circuits
- 4.4GHz ISM Band Industrial Wireless Data Transmission Modules
- RF Power Amplifier Input Out-of-Band Interference Elimination Unit
- Broadband RF Signal Source & Spectrum Analyzer Front-End Filter
- Wideband SDR Software Defined Radio IF Channel Selection Design
- Industrial Short-Range Microwave Radar Receiving Circuit
- High-Speed IoT Microwave Wireless Matching Filter Boards
- Laboratory Microwave Test Bench Fixed Channel Filter Components
Order & Shipping Info
Minimum Order Quantity (MOQ): 1 Piece
Shipping Time: Shipped within 1-2 business days
Delivery Time: 3-7 working days worldwide
Shipping Methods: DHL, UPS, FedEx, EMS
Payment Methods: T/T (Bank Transfer), PayPal, Credit Card, Western Union
Technical Support
Frequently Asked Questions
Q1: Is BFCN-4440+ RoHS compliant?
A: Yes, this product fully complies with RoHS environmental standards.
Q2: What is the nominal impedance & typical insertion loss of BFCN-4440+?
A: It features 50 Ohm nominal impedance, typical insertion loss is 0.91dB and maximum loss ≤2.3dB at 4440MHz center frequency.
Q3: What is the package and mounting type?
A: It adopts SMD-4P,3.2×1.6mm package and surface mount type for PCB assembly.
Q4: How long is the warranty period?
A: We provide 1 year standard warranty for all products.

