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| 型號(hào)： | D1894-BLB |
| 廠商： | COILCRAFT INC |
| 元件分類： | 電信用變壓器 |
| 英文描述： | TELECOM TRANSFORMER |
| 封裝： | ROHS COMPLIANT |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 57K |
| 代理商： | D1894-BLB |
Coilcraft, Inc. 2006
Specifications subject to change without notice.
Please check our website for latest information.
VDSL Transformer
Document 595
Revised 01/04/07
1. When ordering, please specify packaging code:
D1894-BL
D
Packaging: D =13
″ machine-ready reel. EIA-481 embossed plastic tape (350 parts per full reel).
B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead.
2. Inductance measured at 10 kHz, 0.1 Vrms, 0 Adc with windings connected in series.
3. Leakage inductance measured at 100 kHz, 0.1 Vrms, 0 Adc from pins 1 to 4 with all other pins shorted.
4. Capacitance measured at 100 kHz, 0.1 Vrms, 0 Adc from chip side to line side.
5. Operating temperature range
40°C to +85°C.
6. Electrical specifications at 25°C.
For Broadcom BCM96358
and BCM6505
Chip side
Leakage
Longitudinal
Part
Turns ratio
inductance2
inductance3
DCR max (Ohms)
balance
THD
number1
line : chip
±7% (H)
max (H)
chip side
line side
min (dB)
max (dB)
D1894-BL_
2 : 1
420.0
1.3
0.515 (1-3)
0.290 (7-6)
55.0 (10.0 MHz)
–75
0.515 (2-4)
0.239 (8-5)
6
5
1
Line
side
Chip
side
2
3
4
7
8
Recommended
Land Pattern
1
8
4
5
0.402
10,2
0.374
9,50
0.394
10,0
0.425
10,8
0.089
2,25
0.047
1,20
0.098
2,50
0.045
1,15
0.028
0,7
0.228
5,80
max
Dot indicates pin 1
max
0.004 /0,10
Terminations: Tin-silver over tin over nickel over phos bronze
Tape and reel: 350/13
″ reel 24 mm tape width
For packaging data see Tape and Reel Specifications section.
This line driver transformer has been designed for the
Broadcom BCM96358M Reference design. It is used
with their BCM6505 on the VDSL side of the router.
It features very low leakage inductance and 2500 Vrms
primary-secondary isolation. Primary inductance is
stable from -40°C to +85°C and the longitudinal bal-
ance is optimized for the best overall performance at
the VDSL transmission speeds.
Coilcraft can also custom design a transformer for your
specific application. To request free evaluation samples,
please contact Coilcraft or visit www.coilcraft.com.
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