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參數資料
| 型號： | SM75225 |
| 廠商： | BOURNS INC |
| 元件分類： | 電信用變壓器 |
| 英文描述： | T1/CEPT/ISDN-PRI Dual Transformers |
| 中文描述： | TELECOM TRANSFORMER |
| 文件頁數： | 1/1頁 |
| 文件大小： | 174K |
| 代理商： | SM75225 |
Electrical Specifications @ 25
°
C
Turns Ratio ±2 %
(1-2-3):(12-10)........................1.15 CT:1
Turns Ratio ±5 %
(4-5-6):(9-8-7) ......................1 CT:2 CT
Polarity ..1,2 & 12; 4,5,9 & 8 same phase
OCL (12-10) @ 10 kHz, 0.01 V
..........................................1.6 mH min.
OCL (4-6) @ 10 kHz, 0.1 V
..........................................1.6 mH min.
OCL (12-10) @ 10 kHz, 0.01 V, -40 °C
..........................................0.6 mH min.
OCL (4-6) @ 10 kHz, 0.01 V, -40 °C
..........................................0.6 mH min.
Le (12-10) @ 100 kHz, 0.1 V,
Short (1-2-3)......................0.8 μH max.
Le (4-6) @ 100 kHz, 0.1 V,
Short (9-8-7)......................0.8 μH max.
Cww (1-12) @ 100 kHz, 0.1 V
............................................60 pF max.
Cww (4-9) @ 100 kHz, 0.1 V
............................................50 pF max.
DCR (1-3) (
max.)............................1.00
DCR (12-10) (
max.)........................1.00
DCR (4-6) (
max.)............................1.00
DCR (9-7) (
max.)............................2.00
HIPOT (VAC) ....................................1500
*CT : center tap
SM75225 - T1/CEPT/ISDN-PRI Dual Transformers
Features
■
Compact surface mount packaging
■
Operating temperature -40 °C to +85 °C
■
PE68825 equivalent
■
Lead free version available (see How to
Order)
■
Lead free versions are RoHS compliant*
Applications
■
Telecom
Product Dimensions
Electrical Schematic
SM75225
DATECODE
12
1
Coplanarity:
.102
(.004)
8.63
(.340)
MAX.
2.54
(.100)
12.7
(.500)
17.14
(.675)
MAX.
.508
(.020)
TYP.
11.58
(.456)
MAX.
15.24
(.600)
MAX.
.254 - .508
(.010 - .020)
1.01 - 1.27
(.040 - .050)
NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.25
(.010)
1
3
12
10
4
6
9
8
2
Pri
Pri
1.15 CT : 1
1 CT : 2 CT
5
7
Packaging Specifications
Tape & Reel* ........................330 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM75225E.
SM52
*RHAVALABE
VRSONS
*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
How to Order
SM75225E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
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| SM75225E | T1/CEPT/ISDN-PRI Dual Transformers |
| SM75225EL | T1/CEPT/ISDN-PRI Dual Transformers |
| SM75719 | T1/CEPT/ISDN-PRI Transformer |
| SM75719E | T1/CEPT/ISDN-PRI Transformer |
| SM75719EL | T1/CEPT/ISDN-PRI Transformer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SM75225E | 功能描述:變壓器音頻和信號 330ISDN 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 |
| SM75225EL | 制造商:Bourns / JW Miller 功能描述:Telecom Transformer 1.15CT:1/1CT:2CT 1500VAC 1Ohm/1Ohm Prim. DCR 1Ohm/2Ohm Sec. DCR Surface Mount 制造商:Bourns Inc 功能描述:RF TX 1OHM PRIM. DCR 0.0006UH PRIM. INDUCTANCE 2OHM SEC. DCR - Tape and Reel 制造商:Bourns Inc 功能描述:Telecom Transformer 1.15CT:1/1CT:2CT 1500VAC 1Ohm/1Ohm Prim. DCR 1Ohm/2Ohm Sec. DCR Surface Mount |
| SM7523 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SM7523是應用于離線式小功率AC/DC開關電源的高性能的原邊反饋控制功率開關芯片，在全電壓輸入范圍內實現高精度恒流輸出，精度小于±3%，無需環路補償，并可使系統節省光耦，TL431以及變壓器輔助繞組等元件，降低成本。芯片內部集成了逐周期峰值電流限制，FB過壓保護，輸出開/短路保護和開機軟啟動等保護功能，以提高系統的可靠性。 |
| SM7535H | 制造商: 功能描述: 制造商:undefined 功能描述: |
| SM753J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:R. F. Molded Chokes |
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