Reliability data

Standard

Test conditions

|

Switching test

at room temperature

IEC 60738-1

Room temperature

Number of cycles: 10000

< 25%

IEC 60738-1

t : 1000 h

< 25%

Damp heat

IEC 60068-2-3

Storage at 40

°C

Relative humidity: 93 %

Duration: 56 days

< 20%

Rapid change

of temperature in air

IEC 60068-2-14,

– 25

°C, 125 °C

Number of cycles: 5

t : 30 min

< 20%

Vibration

IEC 60068-2-6,

f = 10– 55– 10 Hz

h = 0,75 mm (respectively 10 g)

t : 3 · 2 h

< 20%

Bump

IEC 60068-2-27

Pulse shape: half-sine

a : = 40 g

Pulse duration: 6 ms; 6 · 4000 pulses

< 20%

Climatic sequence

IEC 60068-2-30

Dry heat: T = 125

°C, t: 16 h

Damp heat first cycle

Cold: T = – 25

°C, t: 2 h

Damp heat 5 cycles

< 25%

1) All tests with PTC disk mounted in EPCOS housing

B5919*, B595**

J 19*, J 5**

Metallized Disks in EPCOS Housing

Motor Starting