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749119250

Description
Power Transformers WE-PoE Size ER14.5/6 210uH 210mohm
CategoryPower management    transformer   
File Size469KB,5 Pages
ManufacturerWurth Elektronik
Environmental Compliance
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749119250 Overview

Power Transformers WE-PoE Size ER14.5/6 210uH 210mohm

749119250 Parametric

Parameter NameAttribute value
Brand NameWurth Electronik
Is it Rohs certified?conform to
MakerWurth Elektronik
package instructionROHS COMPLIANT
Reach Compliance Codecompliant
ECCN codeEAR99
Samacsys DescriptionTransformer for Power-over-Ethernet WE-PoE
applicationETHERNET
CertificationUL
high7.4 mm
Maximum input voltage57 V
Minimum input voltage36 V
Insulation voltage1500 V
length16.3 mm
Load Resistance0.033 Ω
Installation featuresSURFACE MOUNT
Number of functions1
Number of primary windings2
Number of secondary windings3
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Output current 10.47 A
Output voltage 15 V
method of packingTAPE & REEL
physical sizeL16.3XB12.0XH7.4 (mm)
Primary inductance210 µH
surface mountYES
Transformer typeDATACOM TRANSFORMER
Turns ratio (Np:Ns)1:0.29:0.17:0.17:0.17
width12 mm
A Dimensions: [mm]
B Recommended land pattern: [mm]
D Electrical Properties:
Properties
Inductance
Turns ratio
Saturation current
DC Resistance 1
DC Resistance 2
DC Resistance 3
DC Resistance 4
DC Resistance 5
|ΔL/L| < 20%
@ 20°C
@ 20°C
@ 20°C
@ 20°C
@ 20°C
Test conditions
100 kHz/ 100 mV
L
n
Isat
RDC1
RDC2
RDC3
RDC4
RDC5
LS
UT
Value
210
1:0.29:0.17:0.17:0.17
0.7
280
210
33.0
33.0
33.0
2.5
1500
A
µH
V (AC)
Unit
µH
Tol.
±10%
±3%
typ.
max.
max.
max.
max.
max.
max.
C Schematic:
Leakage inductance
100 kHz/ 100 mV
Insulation test voltage
N1,2 => N3,4,5
E General information:
It is recommended that the temperature of the part does
not exceed +125°C under worst case conditions.
•Storage Temperature: -20°C to 60°C
•Operating Temperature: -40°C to 125°C
•Test conditions of Electrical Properties: 20°C, 33% RH
if not specified differently
DESCRIPTION
WE-PoE Power over Ethernet Transformer
4.1
4.0
3.0
REV
2014-01-27
2013-09-24
2009-04-03
DATE
SSt
SSt
TBr
BY
TBr
TBr
-
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
Order.- No.
SIZE
A4
749119250
Size: ER14.5/6
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use.
Moreover Würth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before
the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.
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