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參數資料
| 型號： | SM540-1E |
| 廠商： | BOURNS INC |
| 元件分類： | 電信用變壓器 |
| 英文描述： | ADSL Line Transformers |
| 中文描述： | TELECOM TRANSFORMER |
| 封裝： | ROHS COMPLIANT |
| 文件頁數： | 1/1頁 |
| 文件大小： | 203K |
| 代理商： | SM540-1E |
SM540-1 & PT541-1 ADSL Line Transformers
Features
■
For use with Alcatel’s MTK-20140
ADSL chipset
■
Excellent Total Harmonic Distortion
(THD) Performance
■
Both SMT and Thru-Hole package version
■
Small size
■
Operating temperature -40 °C to +85 °C
■
Designed to meet UL1950 and EN60950
supplementary insulation requirements
for operating voltages up to 250 Vrms
■
Lead free version available (see How to
Order)
■
Lead free versions are RoHS compliant*
Applications
■
ADSL - Alcatel MTK20140
Electrical Specifications @ 25
°
C
Turns Ratio (1-4):(10-7) (line to chip)
SM540-1................................1:1 ±2 %
PT541-1 ................................2:1 ±2 %
OCL @ 10 kHz, 0.1 V
(1-4) with (2-3) shorted
SM540-1........................480 μH ±10 %
PT541-1 ........................410 μH ±10 %
Leakage Inductance @ 300 kHz 0.1 V
(1-4) with (2-3), (7-10), (8-9) shorted
SM540-1 ........................10.0 μH max.
PT541-1 ............................6.5 μH max.
Longitudinal Balance
30 kHz to 1.1 MHz ............-40 dB min.
Insertion Loss
@ 100 kHz and 1.1 MHz ..........<1.0 dB
Isolation Voltage ............1500 Vrms max.
DC Resistance
(1-4) with (2-3) shorted
SM540-1 ............................1.0
max.
PT541-1 ..............................0.6
max.
THD Linearity
SM540-1 @ 10 kHz (min.) ..-72 dB typ.
PT541-1 @ 20 kHz (min.)....-72 dB typ.
Application
SM540-1........................................CPE
PT541-1 ..........................................CO
Product Dimensions
Electrical Schematic
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.25
(.010)
SM540-1
(DATECODE)
5
4
3
2
1
6
7
8
9
10
.711
±
.050
(.028
±
.002)
Recommended PAD layout
10 PLCS.
1.30
±
.050
(.051
±
.002)
10 PLCS.
13.46
(.530)
MAX.
10.00
(.394)
MAX.
17.65
(.695)
MAX.
13.50
(.531)
MAX.
12.32
(.485)
MAX.
12.07
(.475)
MAX.
2.50
(.098)
2.54
(.100)
2.50
(.098)
10.00
(.394)
15.37
(.605)
0.13
(.005)
10 SURFACES
SMT
10
8
9
7
1
3
2
4
S501
PT4-
THT
PT541-1
(DATECODE)
2.6
(.102)
DIA.
10 PLCS.
MIN.
14.0
(.551)
MAX.
14.2
(.559)
MAX.
12.70
(.500)
MAX.
0.6
(.024)
10.00
(.394)
10.00
(.394)
2.50
(.098)
Packaging Specifications
SM540-1E* ..........................200 pcs./reel
PT541-1 ................................60 pcs./tray
*”E” suffix at end of part number
designates tape & reel packaging, e.g.
SM540-1E.
*RHAVALABE
VRSONS
03/05
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
How to Order
SM540-1E or PT541-1 __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
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|---|---|
| SM546-1 | ADSL & RADSL Transformers |
| SM547-1 | ADSL & RADSL Transformers |
| SM561-1 | ADSL Line Transformers |
| SM561-1E | ADSL Line Transformers |
| SM562-1 | ADSL Line Transformers |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SM540-1EL | 功能描述:變壓器音頻和信號 LINE TRANSFORMER RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級線圈阻抗: 次級線圈阻抗: 絕緣電壓:23 dB 工作溫度范圍:- 40 C to + 85 C 端接類型:SMD/SMT 尺寸:6 mm L x 4.9 mm W x 1.6 mm H 產品:Splitters and Combiners |
| SM5402 | 制造商:PACELEADER 制造商全稱:PACELEADER INDUSTRIAL 功能描述:SURFACE MOUNT GLASS PASSIVATED SILICON RECTIFIERS |
| SM5403 | 制造商:SEMIKRON 制造商全稱:Semikron International 功能描述:Standard silicon rectifier diodes |
| SM5404 | 制造商:DIOTEC 制造商全稱:Diotec Semiconductor 功能描述:Surface Mount Si-Rectifiers |
| SM5405 | 制造商:SEMIKRON 制造商全稱:Semikron International 功能描述:Standard silicon rectifier diodes |
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