It is recommended that the temperature of the component does not exceed +125 °C under worst
case conditions
10,0 ±0,3
Ambient Temperature (referring
to I
R
)
Operating Temperature
Storage Conditions (in original
packaging)
Moisture Sensitivity Level (MSL)
Scale - 3:1
-40 up to +85 °C
-40 up to +125 °C
< 40 °C ; < 75 % RH
1
Test conditions of Electrical Properties: +20 °C, 33 % RH if not specified differently
Product Marking:
Marking
2R2 (Inductance Code)
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
EAg
DESCRIPTION
001.002
2020-01-24
DIN ISO 2768-1m
WE-LHMI SMT Power Inductor
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 CODE
74437368022
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1040
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 (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.
Typical Inductance vs. Current Characteristics:
2.5
Typical Temperature Rise vs. Current Characteristics:
100.0
90.0
2.0
80.0
70.0
Temperature Rise [K]
0.0
10.0
20.0
30.0
Current [A]
40.0
50.0
Inductance [µH]
1.5
60.0
50.0
1.0
40.0
30.0
0.5
20.0
10.0
0.0
0.0
0.0
2.0
4.0
6.0
8.0
10.0
Current [A]
12.0
14.0
16.0
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
EAg
DESCRIPTION
001.002
2020-01-24
DIN ISO 2768-1m
WE-LHMI SMT Power Inductor
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 CODE
74437368022
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1040
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 (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.
Packaging Specification - Tape and Reel: [mm]
W3
P0
K0
P2
E1
T
B
C
D
W1
close to center
A
D0
F
B0
E2
W
Top Cover
Tape
W2
A
End
D1
A0
P1
T2
T1
detail B
Feeding direction
Start
Carrier Tape
Cover Tape
B
Cover Tape
Chip Cavity
Sprocket Hole
No Component
min. 160mm
Components
No Component
min. 100mm
Cover Tape
min. 400mm
A
(mm)
± 2,0
330,00
B
(mm)
min.
1,50
Embossment
Tape Type
Tolerance
Value
2a
A0
(mm)
typ.
10,40
B0
(mm)
typ.
11,60
W
(mm)
+0,3/ -0,1
24,00
T
(mm)
ref.
0,35
T1
(mm)
ref.
0,10
T2
(mm)
typ.
4,80
K0
(mm)
typ.
4,50
P0
(mm)
±0,1
4,00
P1
(mm)
±0,1
16,00
P2
(mm)
±0,1
2,00
D0
(mm)
+0,1/ -0,0
1,50
D1
(mm)
min.
1,50
E1
(mm)
±0,1
1,75
E2
(mm)
min.
22,25
F
(mm)
±0,1
11,50
Material
Polystyrene
Qty.
(pcs.)
500
Tolerance
Value
C
(mm)
min.
12,80
D
(mm)
min.
20,20
N
(mm)
typ.
100
W1
(mm)
+ 2,0
24,40
N
W2
(mm)
max.
30,40
A
W3
(mm)
min.
23,90
W3
(mm)
max.
27,40
Material
Polystyrene
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
EAg
001.002
2020-01-24
DIN ISO 2768-1m
165° - 180°
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
DESCRIPTION
WE-LHMI SMT Power Inductor
ORDER CODE
74437368022
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
Pull-of force
Tape width
24 mm
0,1 N - 1,3 N
1040
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 (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.
Packaging Specification - Carton: [mm]
W
IC
H
IC
L
IC
W
C
L
C
Tolerance
Value
L
IC
(mm)
typ.
336,00
W
IC
(mm)
typ.
336,00
H
IC
(mm)
typ.
44,00
No. of
Reel (pcs.)
2
Qty.
(pcs.)
1000
Material
Paper
Tolerance
Value
L
C
(mm)
typ.
252,00
W
C
(mm)
typ.
348,00
H
C
(mm)
typ.
354,00
No. of
Inner Carton (pcs.)
4
Qty.
(pcs.)
4000
Material
Paper
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
EAg
DESCRIPTION
001.002
2020-01-24
DIN ISO 2768-1m
WE-LHMI SMT Power Inductor
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 CODE
74437368022
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1040
eiSos
Valid
H
4/7
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 (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.
C
Classification Reflow Profile for SMT components:
Classification Reflow Soldering Profile:
Profile Feature
Preheat Temperature Min
Preheat Temperature Max
Value
T
s min
150 °C
T
s max
200 °C
t
s
T
L
t
L
T
p
t
p
60 - 120 seconds
3 °C/ second max.
217 °C
60 - 150 seconds
see table below
20 - 30 seconds
6 °C/ second max.
8 minutes max.
T
p
Max. Ramp Up Rate
Max. Ramp Down Rate
T
L
T
s max
t
L
t
p
T
C
–5°C
Preheat Time t
s
from T
s min
to T
s max
Ramp-up Rate (T
L
to T
P
)
Liquidous Temperature
Time t
L
maintained above T
L
Peak package body temperature
Time within 5°C of actual peak
temperature
Temperature
Preheat Area
T
s min
t
S
Ramp-down Rate (T
L
to T
P
)
Time 25°C to peak temperature
refer to IPC/ JEDEC J-STD-020E
Package Classification Reflow Temperature:
Properties
25
Time 25°C to Peak
Volume mm³
<350
Volume mm³
350-2000
260 °C
250 °C
245 °C
Volume mm³
>2000
260 °C
245 °C
245 °C
Time
PB-Free Assembly | Package Thickness
260 °C
< 1.6 mm
PB-Free Assembly | Package Thickness
260 °C
1.6 mm - 2.5 mm
PB-Free Assembly | Package Thickness
250 °C
≥ 2.5 mm
refer to IPC/ JEDEC J-STD-020E
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
EAg
DESCRIPTION
001.002
2020-01-24
DIN ISO 2768-1m
WE-LHMI SMT Power Inductor
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 CODE
74437368022
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1040
eiSos
Valid
5/7
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 (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.
主题：自备终端(BYOD)发展趋势;用员工自己的移动设备来控制对工作设施及设备的使用，会对信息安全产生怎样的影响;在不使公司有安全风险或不损害员工隐私的前提下，有哪些方式能安全地实现这样的设施及设备使用。 自备终端(Bring Your Own Device，简称BYOD)，即企业允许员工离职时保留自己的手机，这种做法正日益流行。如今智能手机功能也越来越多，我们不仅能用自己的手机访问电脑、网...[详细]
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