Dimensions: [mm]
Recommended Land Pattern: [mm]
1,21
2,54 ±0,05
12
7
1
6
11,47
15,24 ±0,38
0,7 ±0,13
6
7
12
16,27
1
2,54
12,70
0,7 ±0,1
no vias or traces underneath the component
Schematic:
8,65 max.
1,2 max.
17,1 ±0,25
14,75 ±0,25
h 0,1
TD+
1
CTD
2
TD-
3
RD+
4
CRD
RD-
1:1
12
TX+
11
CTX
10
TX-
9
RX+
5
8
CRX
6
7
RX-
1:1
Scale - 2:1
Product Marking:
Pin 1
Marking
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
JefL
002.000
2023-11-17
DIN ISO 2768-1m
PROJECTION
METHOD
•
DESCRIPTION
7490140123B YYWW
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
WE-LAN 10/100 Base-T SMT
Transformer
ORDER CODE
7490140123B
BUSINESS UNIT
STATUS
PAGE
eiSos
Valid
1/7
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, 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.
Electrical Properties:
Certification:
Properties
Test conditions
Value
Unit
Tol.
RoHS Approval
Compliant [2011/65/EU&2015/863]
L
100 kHz/ 100 mV
350
µH
min.
REACh Approval
Conform or declared [(EC)1907/2006]
Insulation Test Voltage
VT
1 min.
4500
V (RMS)
min.
cURus Approval
E535145 [UL-60601-1]
DC Resistance
RDC
100 kHz/ 100 mV
1300
mΩ
max.
Insertion Loss
IL
1-100 MHz
-1
dB
max.
Return Loss
RL
1-30 MHz @ 100 Ω
-18
dB
min.
Return Loss
RL
30-60 MHz @ 100 Ω
-14
dB
min.
Return Loss
RL
60-80 MHz @ 100 Ω
-12
dB
min.
Return Loss
RL
80-100 MHz @ 100 Ω
-10
dB
min.
Crosstalk
CT
1-60 MHz
-42
dB
min.
Crosstalk
CT
60-100 MHz
-40
dB
min.
Inductance
Common Mode Rejection Ratio
CMRR 1-30 MHz
-40
dB
min.
Common Mode Rejection Ratio
CMRR 30-60 MHz
-35
dB
min.
Common Mode Rejection Ratio
CMRR 60-100 MHz
-33
dB
Turns Ratio
n
Data rate
1:1
min.
±2%
10/100BASE-T
Clearance distance
Cl
7
mm
min.
Creepage distance
Cr
8.6
mm
min.
General Information:
It is recommended that the temperature of the component does not exceed +85°C under worst case conditions
Fulfils IEC60601 requirements for 1xMOPP for working voltage up to 250 Vrms.
Operating Temperature
-40 up to +85 °C
Storage Conditions (in original
packaging)
Moisture Sensitivity Level (MSL)
< 40 °C ; < 75 % RH
1
Test conditions of Electrical Properties: +20 °C, 33 % RH if not specified differently
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
JefL
002.000
2023-11-17
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
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
WE-LAN 10/100 Base-T SMT
Transformer
ORDER CODE
7490140123B
BUSINESS UNIT
STATUS
PAGE
eiSos
Valid
2/7
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, 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.
Packaging Specification - Tape: [mm]
Packaging Specification - Reel: [mm]
P0
K0
P2
T
E
D0
W3
W1
close to center
A
N
D
B
W
S
B0
F
A
C
d
Top Cover
Tape
D1
A
T1
D0
2
P1
A0
T2
detail B
Carrier Tape
Feeding direction
End
No Component
min. 160mm
Start
Components
3
B
Cover Tape
No Component
min. 100mm
Cover Tape
min. 400m
A0
B0
W
T
T1
T2
K0
P0
P1
P2
D0
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
typ.
typ.
±0,3
ref.
max.
typ.
typ.
±0,1
±0,1
±0,1
+0,1/ -0,0
16,30 18,20 32,00 0,50
0,10
9,55
9,05
4,00
24,00 2,00
1,50
D0 / 2
(mm)
+0,05/ -0,0
0,75
Chip Cavity
Sprocket Hole
Embossment
Packaging is referred to the international standard IEC 60286-3:2019
Tape Type
Cover Tape
D1
d
E
S
F
(mm) (mm) (mm) (mm) (mm) Material
min.
±0,05 ±0,1
±0,1
±0,1
2,00
0,20
1,75
28,40 14,20 Polystyrene
Qty.
(pcs.)
A
(mm)
± 2,0
330,00
B
(mm)
min.
1,50
C
(mm)
min.
12,80
D
(mm)
min.
20,20
N
(mm)
± 2,0
80,00
W1
(mm)
+ 2,0
32,40
W2
(mm)
max.
38,40
W3
(mm)
min.
31,90
W3
(mm)
max.
35,40
Material
Polystyrene
300
165° - 180°
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
JefL
002.000
2023-11-17
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
Pull-off force
Tape width
32 mm
0,1 N - 1,3 N
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
WE-LAN 10/100 Base-T SMT
Transformer
ORDER CODE
7490140123B
BUSINESS UNIT
STATUS
PAGE
eiSos
Valid
3/7
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, 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.
Classification Reflow Profile for SMT components:
Classification Reflow Soldering Profile:
Profile Feature
Tp
tp
Max. Ramp Up Rate
Max. Ramp Down Rate
TL
Temperature
Ts max
tL
Preheat Area
Ts min
TC –5°C
Value
Preheat Temperature Min
Ts min 150 °C
Preheat Temperature Max
Ts max 200 °C
Preheat Time ts from Ts min to Ts max
ts
Ramp-up Rate (TL to TP)
60 - 120 seconds
3 °C/ second max.
Liquidous Temperature
TL
217 °C
Time tL maintained above TL
tL
60 - 150 seconds
Peak package body temperature
Tp
Tp ≤ Tc, see Table below
Time within 5°C of actual peak
temperature
tp
20 - 30 seconds
Ramp-down Rate (TP to TL)
6 °C/ second max.
Time 25°C to peak temperature
8 minutes max.
refer to IPC/ JEDEC J-STD-020E
tS
Package Classification Reflow Temperature (Tc):
Volume mm³
350-2000
Volume mm³
>2000
PB-Free Assembly | Package Thickness 260 °C
< 1.6 mm
260 °C
260 °C
PB-Free Assembly | Package Thickness 260 °C
1.6 mm - 2.5 mm
250 °C
245 °C
PB-Free Assembly | Package Thickness 250 °C
> 2.5 mm
245 °C
245 °C
Properties
25
Time 25°C to Peak
Time
Volume mm³
