SMM0204

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Document Number: 20004

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TEST PROCEDURES AND REQUIREMENTS

EN

60115-1

CLAUSE

IEC

60068-2 (1)

TEST

METHOD

TEST

PROCEDURE

REQUIREMENTS

PERMISSIBLE CHANGE (

ΔR)

SMM0204

< 1

Ω

1

Ω to < 10 Ω 10 Ω to ≤ 1 MΩ

> 1 M

Ω

6.1

-

Resistance

-

± 5 %; ± 1 %; ± 0.5 %; ± 0.25 %; ± 0.1 %

6.2

-

Temperature coefficient

At (20 / -55 / 20) °C

and (20 / 125 / 20) °C

± 100 ppm/K, ± 50 ppm/K, ± 25 ppm/K, ± 15 ppm/K

7.1

-

Endurance at 70 °C:

precision operation mode

U =

≤ Umax.;

1.5 h on; 0.5 h off;

70 °C; 1000 h

-

± (0.05 %

R

+ 0.005 

Ω)

-

70 °C; 8000 h

± (0.1 %

R

+ 0.005 

Ω)

Endurance at 70 °C:

standard operation mode

U =

≤ Umax.;

1.5 h on; 0.5 h off;

70 °C; 1000 h

± (0.15 %

R + 0.01 Ω)

± (0.1 %

R

+ 0.005 

Ω)

± (0.15 %

R)

70 °C; 8000 h

± (0.3 %

R + 0.01 Ω)

± (0.2 %

R

+ 0.005 

Ω)

± (0.3 %

R)

Endurance at 70 °C:

power operation mode

U =

≤ Umax.;

1.5 h on; 0.5 h off;

70 °C; 1000 h

± (0.25 %

R + 0.01 Ω)

70 °C; 8000 h

± (0.5 %

R + 0.01 Ω)

7.3

-

Endurance at upper

category temperature

125 °C; 1000 h

± (0.15 %

R + 0.01 Ω)

± (0.1 %

R

+ 0.005 

Ω)

± (0.25 %

R)

155 °C; 1000 h

± (0.3 %

R + 0.01 Ω)

± (0.2 %

R

+ 0.005 

Ω)

± (0.5 %

R)

10.4

78 (Cab)

Damp heat, steady state

(40 ± 2) °C;

56 days;

(93 ± 3) % RH

± (0.15 %

R + 0.01 Ω)

± (0.25 %

R)

10.5

67 (Cy)

Damp heat, steady state,

accelerated

(85 ± 2) °C

(85 ± 5) % RH

U =

≤ 100 V and

U = 0.3 x Umax.;

(the smaller

value is valid)

1000 h

± (0.25 %

R + 0.01 Ω)± (2 % R)

-

-

Cold

-55 °C; 2000 h

± (0.1 %

R + 0.01 Ω)

10.1

14 (Na)

Rapid change of

temperature

30 min at LCT and

30 min at UCT;

LCT = -55 °C;

UCT = 125 °C;

1000 cycles

± (0.15 %

R + 0.01 Ω)

± (0.25 %

R)

LCT = -55 °C;

UCT = 155 °C;

1000 cycles

± (0.5 %

R + 0.01 Ω)

8.1

-

Short time overload:

standard operation mode

U = 2.5 x

≤ 2 x Umax.;

5 s

± (0.03 %

R + 0.01 Ω)

± (0.1 %

R)

Short time overload:

power operation mode

± (0.05 %

R + 0.01 Ω)

± (0.1 %

R)

8.2

-

Single pulse high voltage

overload: standard

operation mode

Severity no. 4:

U = 10 x

≤ 2 x Umax.;

10 pulses

10 μs/700 μs

± (0.15 %

R + 0.01 Ω)

Single pulse high voltage

overload: power

operation mode

± (0.15 %

R + 0.01 Ω)

P

70 x R

P

70 x R

P

70 x R

0.3 x P

70 x R

P

70 x R

P

70 x R