SM74120EL [BOURNS]
T1/CEPT/ISDN-PRI Transformer; T1 / CEPT / ISDN -PRI变压器
| 型号： | SM74120EL |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | T1/CEPT/ISDN-PRI Transformer |
| 文件： | 总1页 (文件大小：176K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
Applications
■ Telecom
■ Dual SMD package with transmit and
receive transformer
SM74120
YYWW
■ Low height of only 6.2 mm
■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
SM74120 - T1/CEPT/ISDN-PRI Transformer
Electrical Specifications @ 25 °C
Product Dimensions
Electrical Schematic
Primary Pins
12.0
(.472)
MAX.
CORE A
Core A ........................................16-14
Core B ............................................6-8
Ratio (±± ꢀ%
1
16
Core A ..............................1:1 & 1:1.±6
Core B ....................................1CT:±CT
OCL (mH% min.
Core A & B ......................................1.±
Leakage Inductance (µH% max.
Core A & B ....................................0.60
Cww (pF% max.
Core A & B........................................30
DCR of primary (Ω% max.
Core A & B ....................................0.70
DCR of secondary (Ω% max.
16
9
8
7.0
(.276)
MAX.
8.76 - 9.52
(.345 - .375)
SM74120
XXYY
2
3
1
14
11
1.27
(.050)
TYP.
0.46 ± .51
(.018 ± 0.02)
CORE B
6
Core A............................................0.80
Core B............................................1.00
HIPOT (VAC% ....................................1500
Operating Temperature (°C% ........0 to +70
7
8
10
9
*CT : center tap
6.22
(0.245)
MAX.
1.02
(0.040)
Packaging Specifications
Tape & Reel* ........................700 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM741±0E.
How to Order
MM
(INCHES)
DIMENSIONS ARE:
TOLERANCE:
SM74120E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free%
0.254
(.010)
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.
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