It is recommended that the temperature of the component does not exceed +85°C under worst
case conditions
Operating Temperature
-40 up to +85 °C
< 40 °C ; < 75 % RH
1
V
Scale - 1,25:1
Storage Conditions (in original
packaging)
Moisture Sensitivity Level (MSL)
Test conditions of Electrical Properties: +20 °C, 33 % RH if not specified differently
Product Marking:
WE Surge
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
p/n without "820"
cURus, VDE
Date Code - WWY
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
PROJECTION
METHOD
BeBo
DESCRIPTION
007.002
2019-08-16
DIN ISO 2768-1m
WE-VD Disk Varistor
ORDER CODE
820422711
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
20 mm
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.
Rated Current vs. Voltage:
10000
Pulse Lifetime Derating:
1
2
10
100
1000
1.000
10000
1000
No. of Pulses
10.000
100.000
1.000.000
100
Voltage [V]
100
10
10
10
1E-5
1E-4
1E-3
1E-2
1E-1
1E+0
1E+1
1E+2
1E+3
1E+4
100
1000
1
10000
Pulse Duration [µs]
Current [A]
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
BeBo
DESCRIPTION
007.002
2019-08-16
DIN ISO 2768-1m
WE-VD Disk Varistor
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
820422711
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
20 mm
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.
imax [A]
Packaging Specification - Tape and Reel: [mm]
W1
close to center
T
T1
C
P
W2
H1
H
W2
W1
B
W0
W
detail B
Protective Tape
Sprocket Hole
Cover Tape
d
D0
P0
P1
F
Embossment
Packaging is refered to the international standard IEC 60286-3:2013
P
±1,0
25.4
P0
±0,3
12.7
P1
±0,7
8.9499999999999993
F
+0,5/ -0,2
7.5
W
+1,0/ -0,5
18
W0
min.
12
W1
+0,75/ -0,5
9
W2
max.
3
H
±0,5
20
H1
max.
48
D0
±0,2
4
d
max.
1
T
max.
0.7
T1
max.
1.8
Material
Paper
Packaging Unit
pcs.
500
A
typ.
340,00
C
min.
30,00
N
max.
89,00
W1
± 2,0
55,00
N
W2
max.
63,00
A
W3
± 3,0
55,00
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
BeBo
DESCRIPTION
007.002
2019-08-16
DIN ISO 2768-1m
WE-VD Disk Varistor
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
820422711
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
20 mm
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.
W
IC
H
IC
L
IC
W
C
L
C
L
IC
(mm)
typ.
350,00
W
IC
(mm)
typ.
350,00
H
IC
(mm)
typ.
72,00
Packaging
Unit
pcs.
500
Material
Paper
L
C
(mm)
typ.
370,00
W
C
(mm)
typ.
370,00
H
C
(mm)
typ.
468,00
No. of
inner Carton
pcs.
6
Packaging
Unit
pcs.
3000
H
Material
Paper
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
BeBo
DESCRIPTION
007.002
2019-08-16
DIN ISO 2768-1m
WE-VD Disk Varistor
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
820422711
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
20 mm
eiSos
Valid
C
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 Wave Soldering Profile:
t
p
T
p
Classification Wave Soldering Profile:
Profile Feature
Preheat Temperature Min
Preheat Temperature Typical
T
s min
T
s max
t
s
ΔT
T
p
t
p
Pb-Free Assembly
100 °C
130 °C
70 seconds
150 °C max.
250 °C - 260 °C
max. 10 seconds
max. 5 seconds each wave
~ 2 K/ second
~ 3.5 K/ second
~ 5 K/ second
4 minutes
T
s typical
120 °C
Sn-Pb Assembly
100 °C
120 °C
130 °C
70 seconds
150 °C max.
235 °C - 260 °C
max. 10 seconds
max. 5 seconds each wave
~ 2 K/ second
~ 3.5 K/ second
~ 5 K/ second
4 minutes
First Wave
Second Wave
Preheat Temperature Max
Preheat Time t
s
from T
s min
to T
s max
Ramp-up Rate
Peak Temperature
Temperature
Time of actual peak temperature
T
s max
T
s typical
T
s min
Ramp-down Rate, Min
Ramp-down Rate, Typical
Ramp-down Rate, Max
Time 25 °C to 25 °C
refer to EN61760-1:2006
Preheat area
Cool down area
Time
typical temperature procedure
min temperature procedure
max temperature procedure
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
PROJECTION
METHOD
BeBo
DESCRIPTION
007.002
2019-08-16
DIN ISO 2768-1m
WE-VD Disk Varistor
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
820422711
SIZE/TYPE
BUSINESS UNIT
STATUS
PAGE
20 mm
eiSos
Valid
5/7
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.
“tensymetry”这个词在《韦伯斯特词典》中没有解释，但在医学界却广为人知。由Tensys Medical Systems公司开发的tensymetry是一种使用生物机械、电气、软件工程的专有组合技术。利用这三种强大的技术，你可在手术室内对病人的心跳血压进行精确、连续、实时和非侵入性测量。 该技术结出的果实就是该公司的T-line Tensymeter产品。该产品线的最新进展是去年...[详细]
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