Dimensions: [mm]
Recommended Land Pattern: [mm]
Electrical Properties:
Properties
Test conditions
Inductance
8,2
6,3 ±0,3
Rated Current
3,7 min.
3,05
3,15
3,05
8,0 ±0,3
Tol.
22
µH
±20%
IR
ΔT = 50 K
3.2
A
max.
|ΔL/L| < 30 %
3.2
A
typ.
71
mΩ
typ.
Saturation Current
ISAT
DC Resistance
RDC @ 20 °C
T
F
4,2 max.
Scale - 3:1
8,0 ±0,3
Marking
Unit
100 kHz/ 5 mA
DC Resistance
RDC @ 20 °C
85
mΩ
max.
Self Resonant Frequency
fres
15
MHz
typ.
Certification:
2,0 ±0,3
Product Marking:
Value
L
D
A
R
Schematic:
RoHS Approval
Compliant [2011/65/EU&2015/863]
REACh Approval
Conform or declared [(EC)1907/2006]
Halogen Free
Conform [JEDEC JS709B]
Halogen Free
Conform [IEC 61249-2-21]
Component Qualification
AEC-Q200 Grade 0
Automotive Approval
Yes
General Information:
Ambient Temperature (referring
to IR)
-50 up to +100 °C
Operating Temperature
-50 up to +150 °C
Storage Conditions (in original
packaging)
< 40 °C ; < 75 % RH
Moisture Sensitivity Level (MSL)
1
Test conditions of Electrical Properties: +20 °C, 33 % RH if not specified differently
Scale - 3:1
220 (Inductance Code)
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
WE
001.002
2030-01-01
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-LQSA SMT Semi-Shielded
Power Inductor
ORDER CODE
78404084220
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
8040
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:
Typical Temperature Rise vs. Current Characteristics:
25
100
90
20
T
F
80
Temperature Rise [K]
Inductance [µH]
70
15
10
60
50
A
R
40
30
5
20
0
0
1
D
2
Current [A]
10
0
3
4
5
0
1
2
3
4
5
Current [A]
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
WE
001.002
2030-01-01
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-LQSA SMT Semi-Shielded
Power Inductor
ORDER CODE
78404084220
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
8040
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.
Typical Impedance vs. Frequency:
100000
10000
Impedance [Ω]
1000
100
10
1
0.1
0.01
0.1
D
1
Frequency [MHz]
Z
A
R
T
F
10
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
WE
001.002
2030-01-01
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-LQSA SMT Semi-Shielded
Power Inductor
ORDER CODE
78404084220
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
8040
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 - Tape: [mm]
Packaging Specification - Reel: [mm]
P0
D0
T
W3
E1
A
K0
P2
A
C
N
W
D
F
T
F
B
E2
B0
W1
close to center
Top Cover
Tape
D1
A
P1
T1
A0
T2
Feeding direction
End
No Component
min.160mm
Components
Tolerance
Value
2a
A0
(mm)
typ.
8,35
B0
(mm)
typ.
8,35
W
(mm)
+0,3/ -0,1
16,00
D
T
(mm)
ref.
0,40
165° - 180°
T1
(mm)
ref.
0,10
T2
(mm)
typ.
4,60
K0
(mm)
typ.
4,40
16 mm
detail B
B
Cover Tape
Chip Cavity
Sprocket Hole
Embossment
Cover Tape
min. 400mm
P0
(mm)
±0,1
4,00
P1
(mm)
±0,1
12,00
Pull-of force
Tape width
Carrier Tape
Cover Tape
No Component
min. 100mm
Packaging is referred to the international standard IEC 60286-3:2019
Tape Type
A
R
Start
W2
0,1 N - 1,3 N
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.
14,25
F
(mm)
±0,1
7,50
Material
Qty.
(pcs.)
Polystyrene
1000
Tolerance
Value
A
(mm)
± 2,0
330,00
B
(mm)
min.
1,50
C
(mm)
min.
12,80
D
(mm)
min.
20,20
N
(mm)
typ.
100,00
W1
(mm)
+ 2,0
16,40
W2
(mm)
max.
22,40
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
WE
001.002
2030-01-01
DIN ISO 2768-1m
W3
(mm)
min.
15,90
W3
(mm)
max.
19,40
Material
Polystyrene
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-LQSA SMT Semi-Shielded
Power Inductor
ORDER CODE
78404084220
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
8040
eiSos
Valid
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.
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
Ts min 150 °C
Preheat Temperature Max
Ts max 200 °C
Preheat Time ts from Ts min to Ts max
3 °C/ second max.
T
F
217 °C
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
Time tL maintained above TL
6 °C/ second max.
Time 25°C to peak temperature
refer to IPC/ JEDEC J-STD-020E
tS
60 - 120 seconds
TL
Ramp-down Rate (TP to TL)
Ts min
ts
Ramp-up Rate (TL to TP)
Liquidous Temperature
tL
Preheat Area
TC –5°C
Value
Preheat Temperature Min
A
R
8 minutes max.
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
D
Volume mm³