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Specifications
Impedance:
50Ω
Frequency - Center:
1.855GHz
Mfr. Part #:
BFCN-1855+
Package:
SMD3216-4P
Key Attributes
Model Number:
BFCN-1855+
Product Description
Product Overview
The BFCN-1855+ LTCC Band Pass Filter is designed for miniature size and high performance repeatability, featuring 12 layers and wrap-around terminations to minimize parasitic variations. It covers the frequency range of 1855 MHz 65 MHz, offering low insertion loss and good rejection.
Product Attributes
- Brand: Mini-Circuits
- Material: LTCC (Low Temperature Co-Fired Ceramic)
- Certifications: +RoHS Compliant
- Origin: USA (implied by address and company name)
Technical Specifications
| Parameter | Frequency (MHz) | Min. | Typ. | Max. | Unit | Notes |
| Center Frequency | 1855 | MHz | ||||
| Pass Band Insertion Loss | 1790-1920 | 2.0 | 3.0 | dB | 1, 2 | |
| Pass Band VSWR | 1790-1920 | 2.5 | :1 | 1, 2 | ||
| Stop Band, Lower Insertion Loss | DC-1400 | 20 | dB | 1, 2 | ||
| Stop Band, Lower VSWR | DC-1400 | 25 | :1 | 1, 2 | ||
| Stop Band, Upper Insertion Loss | 3700-5500 | 25 | dB | 1, 2 | ||
| Stop Band, Upper VSWR | 3700-5500 | 20 | :1 | 1, 2 | ||
| Operating Temperature | -55 to 100 | C | ||||
| Storage Temperature | -55 to 100 | C | ||||
| RF Power Input | 25C | 1.5 | W | *Passband rating, derate linearly to 0.25W at 100C ambient |
Key Features
- Small size (3.2mm x 1.6mm)
- Temperature stable
- Hermetically sealed
- LTCC construction
- Wrap-around termination
- Sharp rejection peaks close to stop band
- Rejection peaks at harmonic frequencies
Applications
- Harmonic Rejection
- Transmitters / Receivers
Outline Dimensions
| A | B | C | D | E | F | G | H | J | K | L | M | N | P | wt | |
| (inch) | .126 | .063 | .037 | .020 | .032 | .009 | .169 | .087 | .024 | .122 | .024 | .087 | .012 | .071 | grams |
| (mm) | 3.20 | 1.60 | 0.94 | 0.51 | 0.81 | 0.23 | 4.29 | 2.21 | 0.61 | 3.10 | 0.61 | 2.21 | 0.30 | 1.80 |
Pin Connections
| Pin | Connection |
| 1 | RF IN |
| 2 | GROUND |
| 3 | RF OUT |
| 4 | GROUND |
2506301329_Mini-Circuits-BFCN-1855-_C4990114.pdf
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