Dimensions: [mm]
Recommended Land Pattern: [mm]
Electrical Properties:
Properties
Inductance
2,5
9,5
Rated Current
3,5 ±0,5
Unit
Tol.
120
µH
±10%
IR
ΔT = 40 K
0.94
A
max.
typ.
Saturation Current
0.99
A
DC Resistance
RDC @ 20 °C
0.243
Ω
typ.
DC Resistance
RDC @ 20 °C
0.4
Ω
max.
Self Resonant Frequency
fres
6.5
MHz
typ.
120
V
max.
V
|ΔL/L| < 10 %
DC
Certification:
10,0
10,0 ±0,4
Scale - 2:1
5,4 ±0,5
Value
10 kHz/ 100 mV
ISAT
Operating Voltage
3,75
Test conditions
L
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]
Schematic:
General Properties:
9,0 ±0,4
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 - 2:1
Product Marking:
Start of Winding
Marking
•
121 (Inductance Code)
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
SiBo
002.002
2021-07-09
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-PD2 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
744776212
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1054
eiSos
Valid
1/6
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 Impedance Characteristics:
140
100000
120
10000
Impedance [Ω]
Inductance [µH]
100
80
60
1000
100
40
10
20
1
0,1
0
0,0
0,2
0,4
0,6
0,8
Current [A]
1,0
1,2
1
10
100
1000
Frequency [MHz]
1,4
Z
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
SiBo
002.002
2021-07-09
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-PD2 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
744776212
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1054
eiSos
Valid
2/6
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
W1
close to center
T
C
W
E2
F
B0
A
B
Top Cover
Tape
D1
A
N
P2
E1
D0
D
A
K0
P1
W2
T1
A0
T2
detail B
End
Feeding direction
Start
Carrier tape
Cover tape
B
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.
9,40
B0
(mm)
typ.
10,50
W
(mm)
+0,3/ -0,1
24,00
T
(mm)
ref.
0,50
T1
(mm)
ref.
0,10
T2
(mm)
typ.
6,30
K0
(mm)
typ.
5,80
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
Qty.
(pcs.)
Polystyrene
500
165° - 180°
A
(mm)
± 2,0
330,00
B
(mm)
min.
1,50
C
(mm)
min.
12,80
D
(mm)
min.
20,20
N
(mm)
± 2,0
60,00
W1
(mm)
+ 2,0
24,40
W2
(mm)
max.
30,40
W3
(mm)
min.
23,90
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
SiBo
002.002
2021-07-09
DIN ISO 2768-1m
W3
(mm)
max.
27,40
Material
Polystyrene/ Polyurethane
PROJECTION
METHOD
DESCRIPTION
WE-PD2 SMT Power Inductor
Pull-of force
Tape width
24 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
744776212
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1054
eiSos
Valid
3/6
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
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
