Dimensions: [mm]
Recommended Land Pattern: [mm]
Electrical Properties:
Properties
Test conditions
Value
Unit
Tol.
L
N2/ 100 kHz/ 100 mV
1280
µH
min.
IR
N1/ ΔT = 25 K
Inductance
4
3
Rated Current
4,8
2
typ.
DC Resistance 1
3
mΩ
max.
DC Resistance 2
RDC2 N2/ 20 °C
13
Ω
max.
max.
n
Voltage-Time
4
3
N1 : N2
1:125
∫Udt N2/ unipolar waveform
56.2
µVs
f
Up to 1
MHz
Rated Voltage
VR
80
V
Insulation Test Voltage
VT
750
V (AC)
Frequency Range
4,7 max.
3,55 max.
A
Turns Ratio
3,45
0,4
1
1,2
1,25
2,4
1,1
2
1
7
RDC1 N1/ 20 °C
N1 => N2
Certification:
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 1
General Information:
3
1
4,65 max.
N1
4
N2
2
Operating Temperature
-40 up to +125 °C
Storage Conditions (in original
packaging)
< 40 °C ; < 75 % RH
Storage Conditions (for single
parts)
-20 up to +60 °C
Moisture Sensitivity Level (MSL)
1
Test conditions of Electrical Properties: +20 °C, 33 % RH if not specified differently
Product Marking:
Pin 1
Marking
•
125
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CHC
001.003
2022-10-20
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-CST Current Sense
Transformer
ORDER CODE
749252125
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
EE4.4
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 Temperature Rise vs. Current Characteristics:
80
70
60
Temperature Rise [K]
50
40
30
20
10
0
0
2
4
6
Current [A]
8
10
12
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CHC
001.003
2022-10-20
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-CST Current Sense
Transformer
ORDER CODE
749252125
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
EE4.4
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.
Packaging Specification - Tape: [mm]
Packaging Specification - Reel: [mm]
P0
D0
P2
W3
T
E1
A
K0
A
W
C
D
B0
E2
F
B
N
W1
close to center
Top Cover
Tape
D1
A
P1
W2
T1
A0
T2
End
Carrier Tape
Start
Feeding direction
detail B
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 60286-3:2013
Tape Type
Tolerance
Value
2a
A0
(mm)
±0,1
4,80
B0
(mm)
±0,1
4,40
W
(mm)
+0,3/ -0,1
12,00
T
(mm)
±0,05
0,35
T1
(mm)
±0,015
0,06
T2
(mm)
±0,1
3,50
K0
(mm)
±0,1
3,10
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
2000
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)
min.
60,00
W1
(mm)
+ 2,0
12,40
W2
(mm)
max.
18,40
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CHC
001.003
2022-10-20
DIN ISO 2768-1m
W3
(mm)
min.
11,90
W3
(mm)
max.
15,40
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-CST Current Sense
Transformer
ORDER CODE
749252125
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
EE4.4
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 - Inner Carton: [mm]
Packaging Specification - Carton: [mm]
IC
H
C
H
IC
W
L
IC
W
Tolerance
Value
LIC
(mm)
typ.
340,00
WIC
(mm)
typ.
340,00
HIC
(mm)
typ.
95,00
No. of
Reel (pcs.)
4
Qty.
(pcs.)
8000
Material
Paper
Tolerance
Value
LC
(mm)
typ.
360,00
C
WC
(mm)
typ.
360,00
L
HC
(mm)
typ.
400,00
C
No. of
Inner Carton (pcs.)
Qty.
(pcs.)
Material
4
3200
Paper
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
CHC
001.003
2022-10-20
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-CST Current Sense
Transformer
ORDER CODE
749252125
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
EE4.4
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