MFT

Technical data

Climatic category

in accordance with IEC 60068-1

40/120/56

− 40 °C

+ 120 °C

Damp heat test

56 days/40

°C/93 % relative humidity

Limit values after damp heat test

Capacitance change |

∆C/C|

≤ 5 %

Dissipation factor change

≥ 50 % of minimum

as-delivered values

Reliability:

Reference conditions

Failure rate

0,5

2

For a conversion table for other operating conditions and tem-

peratures, refer to chapter “Quality assurance”, page 327.

Service life

200 000 h

Failure criteria:

Total failure

Failure due to variation

of parameters

Short circuit or open circuit

Capacitance change |

∆C/C|

> 10 %

Dissipation factor tan

δ> 4 ⋅ upper limit value

< 1500 MΩ

DC test voltage

1,6

Operation with dc voltage or

T

T = 100

°C: V

T = 120

°C: V

Category voltage for

short operating periods

T

≤ 100 °C: V

T

Dissipation factor tan

at 20

°C

(upper limit values)

at

1 kHz: 8

at 10 kHz: 15

at 100 kHz: 25

at 20

°C, rel. humidity ≤ 65 %

(minimum as-delivered values)

> 10 GΩ

B 32 584

B 32 582 …