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DIPLEXER FILTER MODULES  
DOCSIS 2.0  
CM02402  
•
•
•
Optimized for use in cable modems, cable TV set-top  
boxes and PCI card applications  
•
•
Excellent insertion loss and return loss characteristics  
Pre-tuned, shielded modules with integral coaxial  
F-connector  
Designed to meet Data Over Cable Service Interface  
Specification (DOCSIS) 2.0  
•
Metal housing minimizes EMI for superior performance  
Surge protection per IEC 61000-4-5 Class 4  
ELECTRICAL SPECIFICATIONS at 25° C  
Low Pass Filter  
Passband Insertion Loss  
Stopband Insertion Loss  
Return Loss  
5MHz - 42MHz  
42MHz - 44MHz  
60MHz - 200MHz  
55dB min  
200MHz - 860MHz  
5MHz - 44MHz  
1.5dB max  
1.7dB max  
48dB min  
12dB min  
High Pass Filter  
Passband Insertion Loss  
Stopband Insertion Loss  
Return Loss  
54MHz  
55MHz - 57MHz  
58MHz - 70MHz  
71MHz - 860MHz  
5MHz - 44MHz  
54MHz - 860MHz  
2.0dB max  
1.7dB max  
1.4dB max  
1.0dB max  
48dB min  
12dB min  
SCHEMATIC  
0806-5400-01  
0806-5400-03  
Pin 1  
Downstream  
Output  
Downstream  
(High-Pass Filter)  
Pin 2 / Pin 4  
Surge  
Protection*  
F-Connector  
Input  
Pin 3  
Upstream  
Output  
Upstream  
(Low-Pass Filter)  
*0806-5400-03 provides surge  
protection circuit.  
Pin 2 / Pin 4  
©2005 Bel Fuse Inc. Specifications subject to change without notice. 06.05  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
DIPLEXER FILTER MODULES  
DOCSIS 2.0  
CM02402  
0.180  
[4.57]  
0.0984 0.005  
[2.50 0.127]  
0.775 [19.69]  
0.715 [18.16]  
0.020  
[0.51]  
1.055  
[26.80]  
MECHANICAL  
0806-5400-01  
0.120  
[3.05]  
0.170 [4.31]  
0.710  
[18.03]  
Pin 4  
Pin 3  
1.300  
[33.02]  
0.295  
[7.49]  
0.205  
[5.21]  
0.490  
[12.45]  
0.430  
[10.92]  
Pin 2  
Pin 1  
0.520 [13.21]  
0.0984 0.005  
[2.50 0.127]  
1.375 0.010  
[34.93 0.25]  
4x ø0.031 0.002  
[ø0.79 0.05]  
Suggested PCB Pad Layout  
1.280  
[32.51]  
0.695 [17.65]  
0.210 [5.33]  
0.098 [2.50]  
0.430  
[10.92]  
0.270  
[6.86]  
0.535  
[13.59]  
0.120 [3.05]  
0.180 [4.57]  
0.415 [10.54]  
0.715 [18.16]  
0.290  
[7.37]  
0.402  
[10.21]  
0.035  
[0.89]  
0.130 [3.30]  
0.098  
[2.50]  
0.140  
[3.56]  
0.445  
[11.30]  
0.645 [16.38]  
0.150  
[3.81]  
0.710  
[18.03]  
ø0.042 [ø1.07]  
0.165 [4.18]  
0.060 [1.52]  
0.040 [1.02]  
Dimensions are in inches [millimeters].  
Standard dimension tolerance is 0.020 [0.51] unless otherwise noted.  
0.355  
[9.02]  
0806-5400-03  
©2005 Bel Fuse Inc. Specifications subject to change without notice. 06.05  
CORPORATE  
FAR EAST  
EUROPE  
Bel Fuse Inc.  
Bel Fuse Ltd.  
Bel Fuse Europe Ltd.  
206 Van Vorst Street  
Jersey City, NJ 07302  
Tel 201-432-0463  
Fax 201-432-9542  
www.belfuse.com  
8F / 8 Luk Hop Street  
San Po Kong  
Kowloon, Hong Kong  
Tel 852-2328-5515  
Fax 852-2352-3706  
www.belfuse.com  
PrestonTechnology Management Centre  
Marsh Lane, Suite G7, Preston  
Lancashire, PR1 8UD, U.K.  
Tel 44-1772-556601  
Fax 44-1772-888366  
www.belfuse.com