183 CPHT

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Revision: 04-Feb-2021

5

Document Number: 28434

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USEFUL LIFE AND ENDURANCE

Table 7

Note

(1) Identical with endurance for this series

Endurance can be calculated by formula below:

L: estimated lifetime (h)

LTmax.: base lifetime specified at maximum operating temperature with applied DC voltage (h)

Tmax.: rated maximum operating temperature (°C)

Ta: actual ambient temperature (°C)

Table 8

Table 9

Statements about product lifetime are based on calculations and internal testing. They should only be interpreted as estimations. Also due to external factors, the

lifetime in the field application may deviate from the calculated lifetime. In general, nothing stated herein shall be construed as a guarantee of durability.

ENDURANCE TEST AND USEFUL LIFE

SERIES

CASE CODE

USEFUL LIFE

AT 125 °C (h) (1)

ENDURANCE

AT 125 °C (h)

ENDURANCE

AT 105 °C (h)

ENDURANCE

AT 85 °C (h)

ENDURANCE

AT 75 °C (h)

ENDURANCE

AT 65 °C (h)

183 CPHT

0506 to 1010

4000

4000

16 000

64 000

128 000

256 000

MULTIPLIER OF RIPPLE CURRENT (IR) AS A FUNCTION OF FREQUENCY

FREQUENCY (Hz)

120

1000

10 000

≥ 100 000

IR MULTIPLIER

0.1

0.3

0.6

1

TEST PROCEDURES AND REQUIREMENTS

TEST

PROCEDURE

(quick reference)

REQUIREMENTS

NAME OF TEST

REFERENCE

Mounting

IEC 60384-25,

subclause 4.3

Shall be performed prior to tests mentioned below;

reflow soldering;

for maximum temperature load

refer to chapter “Mounting”

ΔC/C: ± 5 %

tan

δ ≤ spec. limit

IL2

≤ spec. limit

Endurance

IEC 60384-25 /

CECC 32300,

subclause 4.15

Tamb = 125 °C; UR applied;

for test duration see Table 7

ΔC/C: ± 30 %

tan

δ ≤ 2 x spec. limit

IL2

≤ spec. limit

ESR

≤ 2 x spec. limit

Useful life

CECC 30301,

subclause 1.8.1

Tamb = 125 °C; UR and IR applied;

for test duration see Table 7

ΔC/C: ± 30 %

tan

δ ≤ 2 x spec. limit

IL2

≤ spec. limit

ESR

≤ 2 x spec. limit

Shelf life

(storage at high

temperature)

IEC 60384-25 /

CECC 32300,

subclause 4.16

Tamb = 125 °C; no voltage applied;

1000 h

after test: UR to be applied for 30 min,

24 h to 48 h before measurement

For requirements

see “Endurance test” above

LL

Tmax. x 2

T

max. - Ta

10

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=