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Band Reject Filter
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Features
* Class A RFI Shielding
* Support DOCSIS 3.1
* Low Loss
* Rejection > 40dB
* Good Return Loss
* Flat Passband
* High Stability
* Excellent Mechanical Structure
* Precision Connector Thread
* Exquisite Plating Quality
* Good Weather Resistance
* Waterproof (alternative)
* Brass Housing
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Introduction
The BRF3 series is our round band reject filter with a compact mechanical construction, and a shorter copper housing design than our 1 series band reject filters, and also has quite good electrical specifications.
We can design different rejection band according to your specifications.
For more filter products, please see our filter category.
To learn more about filter types, please see the filter profile technical notes in our Tech Support.
Custom filters or more details on inquires, please refer to Custom Filters.
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Items
| Model |
Reject Band |
1st Pass Band |
2nd Pass Band |
| BRF3-55-550 |
55 - 550 MHz |
5 - 42 MHz |
600 - 1000 MHz |
| BRF3-70-500 |
70 - 500 MHz |
5 - 55 MHz |
550 - 1000 MHz |
| BRF3-85-350 |
85 - 350 MHz |
5 - 65 MHz |
400 - 1000 MHz |
| BRF3-85-620 |
85 - 620 MHz |
5 - 65 MHz |
659 - 1000 MHz |
| BRF3-222-526 |
222 - 526 MHz |
5 - 215 MHz |
552 - 1000 MHz |
| BRF3-245-356 |
245 - 356 MHz |
5 - 230 MHz |
380 - 1000 MHz |
| BRF3-470-576 |
470 - 576 MHz |
5 - 420 MHz |
640 - 1000 MHz |
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Electrical Curve ( BPF3-55-550 )
Insertion Loss | Return Loss
SPAN 1000MHz
Fig 1 |
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General Specifications
| Item |
BRF-55-550 |
| Impedance |
75 ohm |
| Frequency Range |
5 - 1000MHz |
| Insertion Loss ( 5 - 42MHz ) |
1.0dB (typ) / 2.5dB (max) |
| Insertion Loss ( 600 - 1000MHz ) |
1.0dB (typ) / 3.0dB (max) |
| Return Loss |
16dB (typ) / 12dB (min) |
| Rejection ( 55 - 550MHz ) |
50dB (min) |
| Dimensions |
15(¢) x 52.5(L) mm |
| Net Weight |
28g |
* Specifications may be change depending on the model or customer's requirement.
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