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Specifications
Cut-Off Frequency:
475MHz
Impedance:
50Ω
Insertion Loss:
0.9dB
Type of Filter:
Low-pass Filter
Mfr. Part #:
LFCG-42+
Package:
SMD-8P,2x1.2mm
Key Attributes
Model Number:
LFCG-42+
Product Description
Mini-Circuits LFCG-42+ Low Pass Filter
The Mini-Circuits LFCG-42+ is a DC to 435 MHz low pass filter featuring low insertion loss (0.9 dB typ.), small size (0805), and temperature stability due to its LTCC construction. It is designed for applications such as automatic meter reading, harmonic rejection, and VHF/UHF transmitters/receivers. This filter is RoHS compliant.
Product Attributes
- Brand: Mini-Circuits
- Model: LFCG-42+
- Material: LTCC
- Certifications: +RoHS Compliant
- Size: 0805 (2.0 x 1.25 mm)
- Origin: USA (implied by Brooklyn, NY address)
Technical Specifications
| Parameter | Frequency (MHz) | Min. | Typ. | Max. | Unit |
| Pass Band Insertion Loss | DC - 435 | 0.9 | 1.6 | dB | |
| Freq. cut-off | 475 | 3.0 | dB | ||
| VSWR | DC - 435 | 1.5 | :1 | ||
| Stop Band Rejection Loss | 625 | 20 | 40 | dB | |
| Stop Band Rejection Loss | 650 - 2700 | 25 | 30 | dB | |
| Stop Band Rejection Loss | 6000 | 30 | 50 | dB |
Typical Performance Data at 25C
| Frequency (MHz) | Insertion Loss (dB) | VSWR (:1) |
| 20 | 0.10 | 1.01 |
| 40 | 0.13 | 1.02 |
| 100 | 0.21 | 1.14 |
| 200 | 0.31 | 1.15 |
| 300 | 0.42 | 1.10 |
| 435 | 0.89 | 1.25 |
| 475 | 1.68 | 1.64 |
| 625 | 43.44 | 53.03 |
| 650 | 34.41 | 60.85 |
| 800 | 32.18 | 97.11 |
| 1000 | 44.53 | 115.78 |
| 1500 | 42.44 | 131.39 |
| 2000 | 43.76 | 151.39 |
| 2700 | 55.08 | 158.07 |
| 4000 | 42.79 | 142.86 |
| 5000 | 37.13 | 98.40 |
| 6000 | 33.51 | 88.66 |
Maximum Ratings
| Parameter | Value | Unit |
| Operating Temperature | -55 to +100 | C |
| Storage Temperature | -55 to +100 | C |
| RF Power Input (Passband) | 2 (derate linearly to 1W at 100C) | W at 25C |
2411041608_Mini-Circuits-LFCG-42-_C4989904.pdf
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