Dimensions: [mm]
Recommended Land Pattern: [mm]
Electrical Properties:
Properties
3,4
Solder Resist
1,2 max.
Test conditions
Value
Unit
Tol.
Inductance
L
100 kHz/ 10 mA
3.3
µH
±20%
Rated Current
IR
ΔT = 40 K
1.4
A
max.
typ.
Saturation Current
ISAT
4
A
DC Resistance
RDC @ 20 °C
|ΔL/L| < 20 %
156.3
mΩ
typ.
DC Resistance
RDC @ 20 °C
179.7
mΩ
max.
Self Resonant Frequency
fres
36
MHz
typ.
Certification:
0,8
3,4
3,0 ±0,2
No vias and traces in restricted area.
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 1
1,2 max.
Schematic:
General Properties:
3,0 ±0,2
It is recommended that the temperature of the component does not exceed +125 °C under worst
case conditions
Ambient Temperature (referring
to IR)
-40 up to +85 °C
Operating Temperature
-40 up to +125 °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 - 8:1
Product Marking:
Marking
3R3 (Inductance Code)
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
EsAg
002.000
2020-09-19
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-MAPI 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
74438334033
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
3012
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:
3.5
90.0
80.0
3.0
70.0
2.5
Temperature Rise [K]
Inductance [µH]
60.0
2.0
1.5
50.0
40.0
30.0
1.0
20.0
0.5
10.0
0.0
0.0
0.0
1.0
2.0
3.0
Current [A]
4.0
5.0
0.0
0.5
1.0
Current [A]
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
EsAg
002.000
2020-09-19
DIN ISO 2768-1m
1.5
2.0
PROJECTION
METHOD
DESCRIPTION
WE-MAPI 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
74438334033
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
3012
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 Characteristics:
Impedance [Ω]
10000
1000
100
10
1
0.01
0.1
1
10
100
Frequency [MHz]
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
EsAg
002.000
2020-09-19
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-MAPI 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
74438334033
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
3012
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 and Reel: [mm]
Packaging Specification - Reel: [mm]
P0
A
K0
P2
W3
T
E1
D0
W1
close to center
B0
W
E2
A
N
F
D
B
C
Top Cover
Tape
A0
A
P1
W2
T1
T2
End
Start
Feeding direction
Carrier Tape
Cover Tape
detail B
B
Cover Tape
Chip Cavity
Sprocket Hole
No Component
min. 160mm
Components
No Component
min. 100mm
Embossment
Cover Tape
min. 400mm
Tape Type
2a
A0
(mm)
typ.
3,50
B0
(mm)
typ.
3,68
W
(mm)
+0,3/ -0,1
12,00
T
(mm)
ref.
0,30
T1
(mm)
max.
0,10
T2
(mm)
typ.
2,00
K0
(mm)
typ.
1,50
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
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
EsAg
002.000
2020-09-19
DIN ISO 2768-1m
W3
(mm)
max.
15,40
Material
Polystyrene/ Polyurethane
PROJECTION
METHOD
DESCRIPTION
WE-MAPI SMT Power Inductor
Pull-of 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
74438334033
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
3012
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
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)
Liquidous Temperature
tL
Preheat Area
TC –5°C
Value
Preheat Temperature Min
60 - 120 seconds
3 °C/ second max.
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
