參數(shù)資料
型號: SM74346EL
廠商: BOURNS INC
元件分類: 電信用變壓器
英文描述: T1/CEPT/ISDN Transformer
中文描述: TELECOM TRANSFORMER
封裝: ROHS COMPLIANT
文件頁數(shù): 1/1頁
文件大?。?/td> 241K
代理商: SM74346EL
SM74346E - T1/CEPT/ISDN Transformer
Features
Low height of 6.22 mm
HIPOT of 1500 VAC
Dual transformer for transmit and receive
Lead free version available (see How to
Order)
Lead free versions are RoHS compliant*
Applications
Telecom
Electrical Specifications @ 25
°
C
OCL (16-14)
mH min. @ 10 kHz, 0.1 V ................1.2
OCL (6-8)
mH min. @ 10 kHz, 0.1 V................1.2
L
L
(16-14)
μH max. @ 100 kHz, 0.1 V,
short (1-3) ........................................0.6
L
L
(6-8)
μH max. @ 100 kHz, 0.1 V,
short (11-9) ......................................0.6
Cww (16-1)
pF max. @ 100 kHz, 0.1 V ................30
Cww (6-11)
pF max. @ 100 kHz, 0.1 V ................30
DCR (16-14) ohm max.........................0.7
DCR (6-8) ohm max.............................0.7
DCR (1-3) ohm max.............................1.4
DCR (11-9) ohm max...........................1.4
Turns Ratio
(16-14) : (1-3)..............1CT : 2CT ±5 %
(6-8) : (11-19)..............1CT : 2CT ±5 %
Polarity (1, 16, 6, 11) ............Same phase
HIPOT
Between Windings................1500 VAC
Between Transformers..........1500 VAC
Operating Temperature (°C) ........0 to +70
*CT : center tap
Product Dimensions
Electrical Schematic
SM74346
(DATE)
1
12.83
(.505)
16
9
8
MAX.
7.10
(.280)
0.10
(.004)
MAX.
9.58
(.375)
1.27
(.050)
0.46
±
0.05
(.018
±
.002)
8.90
(.350)
MAX.
6.22
(.245)
MAX.
16 PLCS.
16 SURFACES
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.254
(.010)
1
3
16
14
6
8
11
10
15
2
7
9
Packaging Specifications
Tape & Reel..........................700 pcs./reel
0.25
(.010)
0
°
- 8
°
0.74
±
0.03
(.029
±
.001)
16X
Recommended PAD layout
8.89
(.350)
8.83
(.328)
1.27
(.050)
1.91
(.075)
SM44
*RHAVALABE
VRSONS
How to Order
SM74346E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
*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.
02/06
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