Corcom Product Guide
Dimensions are in inches and millimeters unless otherwise specified. Values in italics are metric USA Cust. Svc.: 1-800-468-2023
equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. Corcom Prods: 1-847-680-7400
Germany: 49-89-6089-0
BLF Series
246
BLF Series
Catalog: 1654001
Issue Date: 07.2010
www.tycoelectronics.com
www.corcom.com
Surface Mountable RFI Filters
UL Recognized
• Specifically designed for the signal line
• Attenuates signals from 10 MHz to 1000 MHz
• Maximum attenuation at 40MHz to 400 MHz
• Unique U shaped low profile single piece filter
• Each filters two signal lines
• Stackable for performance over multiple lines.
• Withstands dielectric voltage of 1000 VAC for
60 seconds
• Can be used in conjunction with unfiltered RJ
jacks, ganged jacks, or with filtered modular
jacks for additional protection.
Specifications
Electrical Schematic
Available Part Numbers
BLF820 BLF082
.25
6.35
Gnd Pad
(4 places)
Recommended Pad Layout
Max.
.450
11.43
Max.
.375
9
.53
Max.
.100
2.54
.100
2.54
.150
3.81
.265
6.73
Max.
.120
3.05
.050
1.27
.047
1.19
(2 places)
.047
1.19
Dimensions
Model
Frequency – MHz
20 40 70 100 150 300 500 700 1000
BLF082 4 10 16 20 25 40 26 23 20
BLF820 20 30 40 50 40 31 25 22 13
Line to line (pass band) in 50 ohm circuit
@ 1 MHz < 1 dB
@ 5MHz <6 dB
Line to ground (stop band) in 50 ohm circuit
Minimum Insertion Loss
Performance Data
Capacitors:
Type: Monolithic Ceramic Chip
Standard Values:
BLF820: 820 pF
BLF082: 82 pF
Standard Tolerance: ± 20%
Ferrites:
Type: High resistivity, nickel zinc ceramic
Inductance: 2 µH
Housing Material: Glass-filled polyester (UL94V-0)
Dielectric Withstanding Voltage:
line to line and line to ground: 1000 VAC for
60 seconds
Rated Current: 2.2A max.
Rated Voltage: 56.6 volts max.
