RELIABILITY TESTING

Test Description

Test Condition

Test Requirement

SURGE CURRENT

CECC 42000 Test C 2.1

∆ V/V ≤ 10%

(8/20µs Waveform)

100 surges in the same direction at

No visible damage

2 pulses/min at the max. peak current

SOLDERABILITY

IEC 68-2-20, 235°C ± 2ºC,4s±1s

Coverage > 90%

TEMPERATURE

IEC 68-2-14

∆ V/V ≤ 5%

CYCLING

Ta = -40°C ± 3ºC; Tb = +125°C ± 2ºC

No visible damage.

Duration: 1 Hr / cycle, 5 cycles

ENVIRONMENTAL

CECC 42000, Test 4.16

∆ V/V ≤ 10%

TESTING

a) Dry heat - Test Ba. (IEC 68-2-2)

Insulation Resistance

≥ 1MΩ

Temperature: 125°C

No visible damage

Duration:2H

b) Damp heat cyclic (IEC 68-2-30)

Temperature: 55°C ±2ºC

Duration: 24H

Humidity: 95 - 100% RH

c) Cold - Test Aa (IEC 68-2-1)

Temperature: -40°C±3ºC

Duration: 2H

d) Damp heat cyclic test (IEC 68-2-30)

5 humidity cycles

24H/cycle

LIFE TEST

IEC 68-2-2

∆ V/V ≤ 10%

Applied voltage: max continuous AC Voltage

Insulation Resistance

≥ 1MΩ

Temperature: 125°C± 2ºC

No visible damage

Duration: 1000H

DAMP HEAT,

IEC 68-2-3

Delta V/V

≤ 10%

STEADY STATE

Tested with no voltage applied and 10% of

Insulation Resistance min 1M

Ω

maximum continuous DC voltage applied

No visible damage

Temperature: 40°C±2ºC

Duration: 56 days

Humidity: 93% +2,-3% RH

FLAMMABILITY

IEC 695-2-2

Visual

NEEDLE FLAME

Duration: 10 s +0s, -1s

No spreading of fire

Orientation: Vertical

Single Layer Varistors

VC32 Series

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