參數(shù)資料
型號(hào): SM74120
廠商: BOURNS INC
元件分類: 電信用變壓器
英文描述: T1/CEPT/ISDN-PRI Transformer
中文描述: TELECOM TRANSFORMER
文件頁數(shù): 1/1頁
文件大小: 180K
代理商: SM74120
SM74120 - T1/CEPT/ISDN-PRI Transformer
Features
Dual SMD package with transmit and
receive transformer
Low height of only 6.2 mm
Lead free version available (see How to
Order)
Lead free versions are RoHS compliant*
Applications
Telecom
SM42
1
CORE A
CORE B
2
3
6
7
8
11
10
9
16
14
Electrical Specifications @ 25
°
C
Primary Pins
Core A ........................................16-14
Core B ............................................6-8
Ratio (±2 %)
Core A ..............................1:1 & 1:1.26
Core B ....................................1CT:2CT
OCL (mH) min.
Core A & B ......................................1.2
Leakage Inductance (μH) max.
Core A & B ....................................0.60
Cww (pF) max.
Core A & B........................................30
DCR of primary (
) max.
Core A & B ....................................0.70
DCR of secondary (
) max.
Core A............................................0.80
Core B............................................1.00
HIPOT (VAC) ....................................1500
Operating Temperature (°C) ........0 to +70
*CT : center tap
Packaging Specifications
Tape & Reel* ........................700 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM74120E.
Electrical Schematic
Product Dimensions
16
9
1
8
SM74120
XXYY
12.0
(.472)
0.46
±
.51
(.018
±
0.02)
1.27
(.050)
TYP.
1.02
(0.040)
7.0
(.276)
MAX.
8.76 - 9.52
(.345 - .375)
6.22
(0.245)
MAX.
MAX.
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.254
(.010)
*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.
03/05
*RHAVALABE
VRSONS
How to Order
SM74120E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
相關(guān)PDF資料
PDF描述
SM74120EL T1/CEPT/ISDN-PRI Transformer
SM74120E T1/CEPT/ISDN-PRI Transformer
SM74139 T1/CEPT/ISDN-PRI Dual Transformer
SM74139E T1/CEPT/ISDN-PRI Dual Transformer
SM74139EL T1/CEPT/ISDN-PRI Dual Transformer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SM74120E 功能描述:變壓器音頻和信號(hào) SDN-PRI TRANSFORMER T1/CEPT RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級(jí)線圈阻抗: 次級(jí)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(chǎn)品:Splitters and Combiners
SM74120EL 制造商:Bourns / JW Miller 功能描述:Telecom Transformer 1:1/1:1.26/1CT:2CT 1500VAC 0.7Ohm/0.7Ohm Prim. DCR 0.8Ohm/1Ohm Sec. DCR Surface Mount 制造商:Bourns Inc 功能描述:RF TX 0.7OHM PRIM. DCR 0.8OHM SEC. DCR 1:1.26 30PF - Tape and Reel 制造商:Bourns Inc 功能描述:Telecom Transformer 1:1/1:1.26/1CT:2CT 1500VAC 0.7Ohm/0.7Ohm Prim. DCR 0.8Ohm/1Ohm Sec. DCR Surface Mount
SM74139 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:T1/CEPT/ISDN-PRI Dual Transformer
SM74139E 功能描述:變壓器音頻和信號(hào) SDN-PRI TRANSFORMER T1/CEPT DUAL RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級(jí)線圈阻抗: 次級(jí)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(chǎn)品:Splitters and Combiners
SM74139EL 功能描述:變壓器音頻和信號(hào) ISDN TRANSFORMER RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級(jí)線圈阻抗: 次級(jí)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(chǎn)品:Splitters and Combiners