ETC B4020

VDSL TRANSFORMERS
For Use with Texas Instruments® Chipset
Texas Instrument's TNETD8000 VDSL chip set
Excellent return loss and balance
Surface mount or through hole package
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Turns
Ratio
Inductance
(µH MIN)
Return Loss
(dB MIN)
Insertion Loss*
(dB MAX)
B4020 (THT)
1CT:1CT
190
300 kHz to 1 MHz: 18
1 MHz to 11 MHz: 20
11 MHz to 30 MHz: 16
200 kHz to 1 MHz: 0.8
300 kHz to 20 MHz: 20
200 kHz to 400 kHz: .75
B4021 (SMT)
1CT:1CT
190
20 MHz to 30 MHz: 18
400 kHz to 30 MHz: .50
Part
Number
1 MHz to 30 MHz: 0.7
Line
Impedance
(W)
Longitudinal
Balance
(dB TYP)
200 kHz: 60
11 MHz: 42
100 MHz: 30
200 kHz: 60
11 MHz: 50
100 MHz: 40
100
100
CM Rejection
(dB TYP)
10 MHz: 35
30 MHz: 33
100 MHz: 25
10 MHz: 35
30 MHz: 33
100 MHz: 30
Isolation
Voltage
(Vrms)
3000
1500
Surge Voltage Capability: Metallic: 800 Vpeak 10/560 µsec. Long.: 2400 Vpeak 10/700 µsec.
NOTES: B4020 is designed to meet the requirements for supplementary isolation according to IEC950.
Common Mode Chokes to reduce common mode ingress from AM Broadcast or HAM Radios are available. See data sheet B912 for parts B4001 and B4003.
Mechanicals
B4020
.500 MAX
12,70
5
3
1
Schematics
.100
2,54
.250 MAX
6,35
6
B4020 4
Date Code
2
.350 MAX
8,89
.200
5,08
.130
3,30
.400
10,16
B4021
6
.390
9,91
5
5
3
1
Weight...............1.2 grams
Tube......................60/tube
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
Notes: Leads are 24 AWG solderable.
Unused pins not provided.
4
B4021
.258
6,55
.275 MAX
7,00
3
2
1
DATE CODE
1
6
4
2
2
3
.300 MAX
7,62
.040
1,02
.240
6,10
.075
1,91
4
5
6
SUGGESTED PAD LAYOUT
Weight...............0.6 grams
Tube......................70/tube
.250 MAX
6,35
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
.100
2,54
.200
5,08
For More Information :
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DISTRIBUTOR
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 products and/or registered trademarks of their respective owners.
Printed on recycled paper. ©2000, Pulse Engineering, Inc.
PRELIMINARY B959.P (3/00)