Dimensions: [mm]
Recommended Land Pattern: [mm]
Electrical Properties:
Properties
Test conditions
LBASE
Inductance Base
6
3,50
7
Turns Ratio
n
12,0 max.
3,00
29,5 max.
21,0 typ.
6
15,00
2,25
3,0 ±0,3
12
1
IR BASE
Rated Current Base
7
Vµs
max.
A
typ.
1.35
A
typ.
DC Resistance Base
RDC BASE
@ 20 °C
VT
±20%
2.3
|ΔL/L| < 10 %
Insulation Test Voltage
Tol.
µH
83.6
ISAT BASE
LS Base
Unit
9.9
ΔT = 40 K
Saturation Current Base
Leakage Inductance Base
Value
1:1:1:1:1:1
∫Udt Base
Voltage-µSecond Base
12
1
100 kHz/ 0.1 V
36
mΩ
max.
100 kHz/ 0.1 V
0.18
µH
typ.
All Windings
1500
V (AC)
Certification:
26,20
Scale - 1,5:1
RoHS Approval
Compliant [2011/65/EU&2015/863]
REACh Approval
Conform or declared [(EC)1907/2006]
Schematic:
0,7 ±0,1
1
12
21,5 max.
N1
N4
General Information:
2
11
3
10
N2
Operating Temperature
-40 up to +125 °C
Storage Conditions (in original
packaging)
< 40 °C ; < 75 % RH
Storage Conditions (for single
parts)
-20 up to +60 °C
N5
4
9
5
8
Moisture Sensitivity Level (MSL)
1
Test conditions of Electrical Properties: +20 °C, 33 % RH if not specified differently
N3
Scale - 1:1
6
N6
7
Product Marking:
Pin 1
Marking
•
749196517
WE YY WW
(year-week)
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
IKK
001.001
2023-09-20
ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
Wurth Electronics Midcom Inc. Headquarters
121 Airport Drive
57201 Watertown, SD
United States
Phone: +1 (605) 886-4385
www.we-online.com/midcom
midcom@we-online.com
WE-FLEX HV Flexible Transformer
for DC/DC Converter
ORDER CODE
749196517
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
EFD20
Midcom
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.
Packaging Specification - Tape and Reel: [mm]
Packaging Specification - Reel: [mm]
P0
W3
T
E
D0
W1
close to center
A
N
D
B
W
S
B0
F
A
K0
P2
C
d
Top Cover
Tape
A
P1
D1
T1
A0
T2
W2
End
Carrier Tape
Cover Tape
Start
Feeding direction
detail B
Cover Tape
B
Chip Cavity
Sprocket Hole
No Component
min.160mm
Components
No Component
min.100mm
Cover Tape
min. 400mm
Embossment
packaging is reffered to the international standard IEC 60286-3:2013
tolerance
size
A0
B0
W
T
T1 T2
typ.
typ.
±0,3 typ. typ. typ.
K0
typ.
P0 P1
P2
D0
D0 / 2
±0 ±0,1 ±0,15 +0,1/ -0,0 +0,05/ -0,0
,1
0.
EFD20 21.80 29.50 44.00 0.
50 05 12.60 12.10 4.00 32.00 2.00
1.50
0.75
D1 d
E
S
F
Tape Type 2a
typ. +0,05 ±0
±0,1
±0,1
,1
2. 0.20 1.75 40.40 20.20 Polystyrene
00
VPE / packaging unit
pcs.
44 mm
A
± 2,0
330.00
B
min.
1.50
C
min.
12.80
D
min.
20.20
N
min.
80.00
W1
+2
44.40
W2
max.
50.40
W3
min.
43.90
W3
max.
47.40
120
165° -180°
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
IKK
001.001
2023-09-20
ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
Pull-off force
Tape width
tolerance
Tape width
44 mm
0,1 N - 1,3 N
Wurth Electronics Midcom Inc. Headquarters
121 Airport Drive
57201 Watertown, SD
United States
Phone: +1 (605) 886-4385
www.we-online.com/midcom
midcom@we-online.com
WE-FLEX HV Flexible Transformer
for DC/DC Converter
ORDER CODE
749196517
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
EFD20
Midcom
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 - Carton: [mm]
H
C
H
IC
Packaging Specification - Inner Carton: [mm]
W
W
IC
L
Tolerance
Value
LIC
(mm)
typ.
55,00
WIC
(mm)
typ.
340,00
HIC
(mm)
typ.
340,00
No. of
Reel (pcs.)
1
L
C
IC
Qty.
(pcs.)
120
Material
Paper
Tolerance
Value
LC
(mm)
typ.
290,00
WC
(mm)
typ.
356,00
HC
(mm)
typ.
360,00
C
No. of
Inner Carton (pcs.)
Qty.
(pcs.)
Material
5
600
Paper
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
IKK
001.001
2023-09-20
ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
Wurth Electronics Midcom Inc. Headquarters
121 Airport Drive
57201 Watertown, SD
United States
Phone: +1 (605) 886-4385
www.we-online.com/midcom
midcom@we-online.com
WE-FLEX HV Flexible Transformer
for DC/DC Converter
ORDER CODE
749196517
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
EFD20
Midcom
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
