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Spezifikation für Freigabe / specification for release
Kunde / customer :
Artikelnummer / part number :
Bezeichnung :
82.542.350
description :
HIGH SURGE 2220 SMD VARISTOR
SMD size:
2220
E Testbedingungen / test conditions :
BASIC TEST
Characteristics
Standard Test Condition
Max. Working Voltage
Varistor Voltage
Max. Clamping Voltage
Surge Current
Surge Shift △ V/V
Energy Absorption
Typical Capacitance
Leakage Current
ENVIRONMENTAL RELIABILITY TEST
Characteristic
High Temperature Storage
Temperature Cycle
Test Method/Description
Environmental condition under which every measuring is done without doubt on the measuring results.
Unless specially specified, temperature, relative humidity are 5 to 35 ℃ , 45 to 85 ﹪ RH.
Maximum steady-state DC operating voltage the device can maintain and typical leakage current at 25 ℃
not exceed 50 μ A.
With the specified measuring current of 1mA DC applied.
Maximum peak voltage across the TVS measured at a specified pulse current （ A ） and waveform 8/20 μ s.
Maximum peak current which may be applied with the specified waveform 8/20 μ s without device failure.
The shift of TVS voltage after suffering the specified surge current.
Maximum energy which may be dissipated with a specified waveform 10/1000 μ s.without device failure.
Device Capacitance measured with zero voltage bias 0.5VRMS and 1KHZ
Typical leakage current at 25 ℃＜ 50 μ A
Test method and description
The specimen shall be subjected to 150 ± 2 ℃ for 1000 ± 12 hours in a thermostatic bath without load and
then stored at room temperature and humidity for 1 to 2 hours. The change of varistor voltage shall be
within 10 ﹪ .
The temperature cycle of specified temperature shall be repeated five times and then stored at room
temperature and humidity for one or two hours. the change of varistor voltage shall be within 10 ﹪ and
mechanical damage shall be examined.
Step Temperature Period
1 -40±3 ℃
Room
30Min±3
2
Temperature 1~2 hours
85±2 ℃
3 Room
30Min±3
4
Temperature 1~2 hours
After being continuously applied the maximum allowable voltage at 85 ± 2 ℃ for 1000± 2 hours, the
High Temperature Load
Damp Heat Load/Humidity Load
Low Temperature Storage
Freigabe erteilt /
general release:
specimen shall be stored at room temperature and humidity for one or two hours, the change of varistor
voltage shall be within 10 ﹪ .
The specimen should be subjected to 40 ± 2 ℃ , 90 to 95 ﹪ RH environment , and the maximum allowable
voltage applied for 1000 hours, then stored at room temperature and humidity for one or two hours. the
change of varistor voltage shall be within 10 ﹪
The specimen should be subjected to 40 ± 2 ℃ , without load for 1000 hours and then stored at room
temperature for one or two hours. the change of varistor voltage shall be within 10 ﹪
Kunde / customer
Datum / date
Unterschrift / signature
Würth Elektronik
JP. PENLOU
JP. PENLOU
JP. PENLOU
JP. PENLOU
High Temperature Load
New P/N
Operating temp. Range
Lead free soldering
06-07-31
06-06-02
05-11-30
05-11-04
Geprüft / checked
2006-06-02
Kontrolliert / approved
JP. Penlou
Name
?nderung / modification
Datum / date
Würth Elektronik eiSos GmbH & Co.KG - Radialex department
D-74638 Waldenburg · Max-Eyth-Stra?e 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
http://www.we-online.com
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