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參數資料
| 型號： | PT74344 |
| 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： | 1/1頁 |
| 文件大小： | 144K |
| 代理商： | PT74344 |
PT74344 - T1/CEPT/ISDN-PRI Transformer
Features
■
Compact surface mount packaging
■
Contains both transmit and receive
transformer in a single package
■
Isolation voltage: 1500 Vrms
■
Lead free version available (see How to
Order)
■
Lead free versions are RoHS compliant*
Applications
■
Telecom
Product Dimensions
Electrical Schematic
PT74344
(DATE)
0.46
(.018)
1.27
(.050)
8.89
(.350)
9.15
±
0.25
(.360
±
.010)
8.89
(.350)
1.27
(.050)
0.71
(.028)
16X
Recommended PAD layout
Coplanarity:
TYP.
8.38
(.330)
1.91
(.075)
TYP.
0.38
(.015)
TYP.
1.02
(.040)
TYP.
12.83
(.505)
MAX.
7.1
(.280)
.102
(.004)
MAX.
6.22
(.245)
MAX.
1
2
3
16
14
6
7
8
11
10
9
NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.25
(.010)
Electrical Specifications @ 25
°
C
Turns Ratio ±5 %
............................1:1.15CT & 1CT:2CT
Primary Inductance (mH min.)
..........................................1.20 & 1.20
Primary Leakage Inductance (μH max.)
..........................................0.60 & 0.60
Cww (pF max.) ............................30 & 30
Pri DCR (
max.)....................0.70 & 0.70
Sec DCR (
max.)..................0.70 & 1.00
Primary Pins ............................16-14, 6-8
Operating Temperature (°C) ........0 to +70
*CT : center tap
Packaging Specifications
Tape and Reel* ....................700 pcs./reel
*“E” suffix in part number designates
tape & reel packaging, e.g. PT74344E.
*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
PT74344E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
相關PDF資料 |
PDF描述 |
|---|---|
| PT74344E | T1/CEPT/ISDN-PRI Transformer |
| PT74344EL | T1/CEPT/ISDN-PRI Transformer |
| PT75161E | T1/E1 Transformer |
| PT75161EL | T1/E1 Transformer |
| PT75426 | T3/DS3/E3/STS-1 Transformer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PT74344E | 功能描述:固定電感器 ISDN TRANSFORMER RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| PT74344EL | 制造商:Bourns / JW Miller 功能描述:Telecom Transformer 1:1.15CT:1CT:2CT 1500Vrms 0.7Ohm/0.7Ohm Prim. DCR 0.7Ohm/1Ohm Sec. DCR Surface Mount 制造商:Bourns Inc 功能描述:RF TX 0.7OHM PRIM. DCR 1200UH PRIM. INDUCTANCE 1OHM SEC. DCR - Bulk 制造商:Bourns Inc 功能描述:Telecom Transformer 1:1.15CT:1CT:2CT 1500Vrms 0.7Ohm/0.7Ohm Prim. DCR 0.7Ohm/1Ohm Sec. DCR Surface Mount |
| PT74805 | 制造商:Datatronic Distribution Inc 功能描述: |
| PT74926 | 制造商:DTRON 功能描述: |
| PT75 | 功能描述:環境檢測設備 PRESSURE TRANSDUER RoHS:否 制造商:Fluke 設備類型:Vibration Meter 測量儀器:Vibration |
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