SURFACE MOUNT COMMON
MODE CHOKES
Small surface mount package
Designed for 4 wire links, ISDN-S/T and
T1/E1/CEPT
High frequency choke for EMI reduction
Low frequency choke for improved longitudinal
balance in ISDN-S/T links
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Part Number
L
OW
F
REQUENCY
T8005
H
IGH
F
REQUENCY
T8006
OCL Primary
(±30%)
4.7 mH
470 µH
L
L
Sec
(µH MAX)
2.5
0.9
C
W/W
(pF MAX)
75
30
DCR
(Ω MAX)
1.4
0.6
Isolation
(Vrms MIN)
500
500
Note: RoHS-6
compliant parts can be ordered by adding a “NL” suffix to the part number (i.e. T8005 becomes T8005NL).
Mechanical
HIT
.360
9,14 MAX
.100
8X.050
2,54
1,27
Schematic
.300
7,62
8
5
.100
2,54
.050
1,27
8
7
6
5
.340
MAX
8,64
T800X
Date Code
Country of Origin
.270
6,86
.070
1,78
1
4
SUGGESTED PAD LAYOUT
1
2
3
4
.300 MAX
2,49
Weight
. . . . . . . . . . . . . .0.7 grams
Tape & Reel
. . . . . . . . . . . .450/reel
Dimensions:
Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
.005/0,127
USA 858 674 8100
•
UK 44 1483 401 700
•
France 33 3 84 35 04 04
•
Singapore 65 6287 8998
•
Shanghai
86 21 54643211 / 2
•
China 86 769 5538070
•
Taiwan 886 3 4641811
www.pulseeng.com
T639.B (2/06)
SURFACE MOUNT COMMON
MODE CHOKES
Typical Common Mode Attenuation
Typical Common Mode Attenuation
(dB)
0
-10
-20
-30
-40
-50
-60
-70
0.01
0.1
1
10
Frequency (MHz)
100
1000
T8005
Typical Common Mode Impedance
40
30
Impedance
(K Ohms)
20
10
0
0.1
1
10
Frequency (MHz)
100
1000
T8005
Typical Common Mode Attenuation
Typical Common Mode Attenuation
(dB)
0
-10
T8006
-20
-30
0.01
0.1
1
10
Frequency (MHz)
100
1000
Typical Common Mode Impedance
1000
800
Impedance
(K Ohms)
600
T8006
400
200
0
0.1
1
10
Frequency (MHz)
100
1000
For More Information:
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
NOTE:
All based on a 50
Ω
system.
Pulse
Southern Europe
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
Pulse
Northern Europe
3 Huxley Road
Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Pulse
Pulse North China
China Headquarters
Room 1503
No. 1
Industrial District
Changan, Dongguan
China
TEL: 86 769 5538070
FAX: 86 769 5538870
XinYin Building
No. 888 YiShan Road
Shanghai 200233
China
TEL: 86 21 54643211/2
FAX: 86 21 54643210
Pulse South Asia
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 6287 8998
FAX: 65 6280 0080
Pulse North Asia
No. 26
Kao Ching Road
Yang Mei Chen
Taoyuan Hsien
Taiwan, R. O. C.
TEL: 886 3 4641811
FAX: 886 3 4641911
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
© Copyright, 2006. Pulse Engineering, Inc. All rights reserved.
www.pulseeng.com
T639.B (2/06)
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