Dimensions: [mm]
Recommended Land Pattern: [mm]
Electrical Properties:
Properties
Solder Resist
1,6 ±0,2
Inductance
L
IR,40K
Rated Current
2,4 ±0,2
3,7
0,45 ±0,2
1,39
No vias and traces in restricted area.
Scale - 6:1
2,1 max.
4,1 ±0,2
Value
Unit
Tol.
100 kHz/ 10 mA
2.2
µH
±20%
ΔT = 40K
5.9
A
max.
Saturation Current @ 10%
ISAT, 10% |ΔL/L| < 10 %
3.7
A
typ.
Saturation Current @ 30%
ISAT,30% |ΔL/L| < 30 %
7.6
A
typ.
mΩ
typ.
DC Resistance
RDC
@ 20 °C
28
DC Resistance
RDC
@ 20 °C
32.2
mΩ
max.
Self Resonant Frequency
fres
30
MHz
typ.
Certification:
3,35
1,25 ±0,2
Test conditions
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]
Automotive Approval
Released
Component Qualification
AEC-Q200 Grade 0
General Properties:
Ambient Temperature (referring
to IR)
-55 up to +110 °C
Operating Temperature
-55 up to +150 °C
4,1 ±0,2
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
Test conditions of Rated Current: refer to IEC 62024-2-2020, Class C (PCB Copper Width: 40 mm;
PCB Copper Thickness: 105 µm)
Scale - 6:1
Product Marking:
Start of Winding
Marking
•
2R2 (Inductance Code)
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
AdGa
003.000
2023-12-30
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-MAIA 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
78438356022HT
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
4020HT
eiSos
Valid
1/8
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.
Typical Temperature Rise vs. Current Characteristics:
Typical Inductance vs. Frequency Characteristics:
100
2.5
90
80
2
60
Inductance [µH]
Temperature Rise [K]
70
50
40
1.5
1
30
0.5
20
10
0
0
0
2
4
6
8
10
0
2
4
6
8
10
Current [A]
Current [A]
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
AdGa
003.000
2023-12-30
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-MAIA 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
78438356022HT
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
4020HT
eiSos
Valid
2/8
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.
Typical Impedance Characteristics:
10000
Impedance [Ω]
1000
100
10
1
0.01
0.1
1
10
100
Frequency [MHz]
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
AdGa
003.000
2023-12-30
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-MAIA 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
78438356022HT
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
4020HT
eiSos
Valid
3/8
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]
W3
P0
A
K0
P2
T
W1
close to center
E1
D0
A
B0
W
E2
F
N
D
B
C
W2
Top Cover
Tape
D1
A
P1
T1
A0
T2
End
Start
Feeding direction
detail B
Carrier Tape
B
Cover Tape
Cover Tape
Chip Cavity
Sprocket Hole
No Component
min. 160mm
Components
No Component
min. 100mm
Embossment
Cover Tape
min. 400mm
Packaging is referred to the international standard IEC 60286-3:2019
Tape Type
2a
A0
(mm)
typ.
4,60
B0
(mm)
typ.
4,60
W
(mm)
+0,3/ -0,1
12,00
T
(mm)
ref.
0,30
T1
(mm)
max.
0,10
T2
(mm)
typ.
2,50
K0
(mm)
typ.
2,30
P0
(mm)
±0,1
4,00
P1
(mm)
±0,1
8,00
P2
(mm)
±0,05
2,00
D0
(mm)
+0,1/ -0,0
1,50
D1
(mm)
min.
1,50
E1
(mm)
±0,1
1,75
E2
(mm)
min.
10,25
F
(mm)
±0,05
5,50
Material
Qty.
(pcs.)
Polystyrene
1000
165° - 180°
A
(mm)
± 2,0
178,00
B
(mm)
min.
1,50
C
(mm)
min.
12,80
D
(mm)
min.
20,20
N
(mm)
min.
50,00
W1
(mm)
+ 2,0
12,40
W2
(mm)
max.
18,40
W3
(mm)
min.
11,90
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
AdGa
003.000
2023-12-30
DIN ISO 2768-1m
W3
(mm)
max.
15,40
Material
Polystyrene/ Polyurethane
PROJECTION
METHOD
DESCRIPTION
WE-MAIA SMT Power Inductor
Pull-off force
Tape width
12 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
ORDER CODE
78438356022HT
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
4020HT
eiSos
Valid
4/8
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
Make sure that you use the correct thickness of solder paste to avoid an insufficient soldering result. We recommend 100µm solder paste as a
reference.
tS
Package Classification Reflow Temperature (Tc):
25
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
Time 25°C to Peak
Time
Volume mm³