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820571406

Description
Varistors WE-VD 7mm Disc 2930pF 250A 18VDC
CategoryPassive components    The resistor   
File Size200KB,4 Pages
ManufacturerWurth Elektronik
Environmental Compliance
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Varistors WE-VD 7mm Disc 2930pF 250A 18VDC

820571406 Parametric

Parameter NameAttribute value
Brand NameWurth Electronik
Is it Rohs certified?conform to
package instructionRADIAL LEADED, ROHS COMPLIANT
Reach Compliance Codecompliant
ECCN codeEAR99
Circuit maximum DC voltage18 V
Circuit RMS maximum voltage14 V
Maximum energy absorption capacity1.4 J
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package shapeDISK PACKAGE
method of packingAMMO PACK; BULK; TR, 14 INCH
Rated power dissipation(P)0.02 W
Resistor typeVARISTOR
surface mountNO
Terminal locationRADIAL
Terminal shapeWIRE
Base Number Matches1
Spezifikation für Freigabe / specification for release
Kunde / customer
:
Artikelnummer / part number
:
Bezeichnung :
description :
820 571 406
DIAM:
Datum / Date :
7
mm
ROHS Compliant
2010-07-19
Disk Varistor Standard WE-VD
A
Elektrische Eigenschaften / Electrical Properties :
TECHNICAL DATA
Part Number
Breakdown
Voltage
(V@mA)
(*1)
22
Tolerance
(%)
15
AC
14
Working
Voltage
DC
18
Clamping
Voltage
V
(*2)
43
Current
Clamp. Volt.
(A)
2.5
Peak Current
Withstanding C.
A
(*3)
250
820 571 406
* 1 The varistor voltage was measured at 0.1 mA current for 5 mm diameter and 1 mA current for other
* 2 The Clamping voltage measured at "Current Clamping Voltage" see next column
* 3 The Peak Current was tested at 8/20 µs waveform for 1 time
Part Number
Rated
Wattage
(W)
0.02
Energy
J
(*4)
1.4
Capacitance
pF
(*5)
2930
UL
(*6)
Certification
CSA
(*7)
Diameter
VDE
(*8)
(mm)
7
820 571 406
yes
_
yes
* 4. The Energy measured at 10/1000 µs waveform for 1 time
* 5. The capacitance value measured at standard frequency @ 1kHz
* 6. Certification UL N° E332875
* 7. Certification CSA N° 224856
* 8. Certification VDE N° 40016998 & 40016986
Wave during
8/20 s
10/1000 s
T1
8 s
10 s
T2
20 s
1000 s
MARKING CODE
ORDER CODE
820
Varistor Type
X
Serie
X
Diameter
XXX
Vrms Voltage
Code
X
Tolerance
S
Special Type
Disc Varistor
5
= Standard
4
= High Surge
5
= 5 mm
7
= 7 mm
1
= 10 mm
4
= 14 mm
2
= 20 mm
Example:
180
= 18 V
271
= 270 V
102
= 1 000 V
5
= 5%
1
= 10%
6
= 15%
2
= 20%
7
= 25%
3
= 30%
Würth Elektronik eiSos GmbH & Co.KG
D-74638 Waldenburg · Max-Eyth-Straße 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
http://www.we-online.com
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