Dimensions: [mm]
Recommended Land Pattern: [mm]
Electrical & Optical Properties:
Properties
2,85
Rated Current
3,5
6,2 ±0,3
6,25
3,4 ±0,2
2,85
Inductance
1,9 ref.
Test conditions
Value
Unit
Tol.
L
100 kHz/ 10 mA
8.2
µH
±20%
IR
ΔT = 50 K
7.2
A
max.
|ΔL/L| < 30 %
typ.
Saturation Current
ISAT
12.8
A
DC Resistance
RDC @ 20 °C
15.9
mΩ
typ.
DC Resistance
RDC @ 20 °C
19.1
mΩ
max.
Self Resonant Frequency
fres
34
MHz
typ.
Certification:
10,6 ±0,3
11,0 ±0,3
Solder Resist
RoHS Approval
Compliant [2011/65/EU&2015/863]
REACh Approval
Conform or declared [(EC)1907/2006]
Halogen Free
no vias and traces in restricted area
Scale - 2:1
Conform [JEDEC JS709B]
Component Qualification
AEC-Q200 Grade 0
Automotive Approval
Released
Schematic:
General Information:
10,6 ±0,3
It is recommended that the temperature of the component does not exceed +150°C under worst
case conditions
Ambient Temperature (referring
to IR)
-55 up to +100 °C
Operating Temperature
-55 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 - 2:1
Product Marking:
Marking
WE 8R2
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CaF
002.000
2020-06-16
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-CHSA SMT High Current
Inductor
ORDER CODE
7843330820
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1011
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:
9.00
100
8.00
90
80
7.00
70
Temperature Rise [K]
Inductance [µH]
6.00
5.00
4.00
3.00
2.00
60
50
40
30
20
1.00
10
0
0.00
0.0
2.0
4.0
6.0
8.0
10.0
Current [A]
12.0
14.0
16.0
0.0
2.0
4.0
6.0
Current [A]
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CaF
002.000
2020-06-16
DIN ISO 2768-1m
8.0
10.0
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-CHSA SMT High Current
Inductor
ORDER CODE
7843330820
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1011
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:
10000
1000
Impedance [Ω]
100
10
1
0.1
1
10
100
Frequency [MHz]
Z
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CaF
002.000
2020-06-16
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-CHSA SMT High Current
Inductor
ORDER CODE
7843330820
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1011
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
P2
T
E1
D0
W3
C
top cover
tape
D1
A0
K0
P1
N
A
W
B
E2
B0
D
F
W1
close to center
W2
T1
T2
detail B
End
Start
Feeding direction
Carrier tape
Cover tape
Cover Tape
B
Chip Cavity
Sprocket Hole
No Component
min. 160mm
Components
No Component
min. 100mm
Cover Tape
min. 400mm
Packaging is referred to the international standard IEC 60286 -3:2013
tolerance
size
A0
B0
W
T
T1 T2
K0
P0
P1
P2
D0
typ.
typ.
±0,3 typ. typ. typ.
typ.
±0,1 ±0,1 ±0,1 +0,1
1011 11,05 11,05 24,00 0,50 0,05 11,85 11,30 4,00 20,00 2,00 1,50
Embossment
-0,0
D1 E1
E2
F
Tape Type 2a
typ. ±0,1 min. ±0,1
1,50 1,75 22,25 11,50 Polystyrene
VPE / packaging unit
pcs.
200
165° - 180°
24mm
A
±2,0
330,00
B
±0,5
2,00
C
±0,5
13,00
D
±0,5
21,00
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CaF
002.000
2020-06-16
DIN ISO 2768-1m
N
±0,5
100,00
W1
+0,4
24,40
W2/W3
±0,5
29,40
PROJECTION
METHOD
DESCRIPTION
Pull-of force
Tape width
tolerance
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
WE-CHSA SMT High Current
Inductor
ORDER CODE
7843330820
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
1011
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
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
