D/CRCW e3

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Revision: 05-Aug-2022

8

Document Number: 20035

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Note

(1) The quoted IEC standards are also released as EN standards with the same number and identical contents

4.39

-

Periodic electric overload

U =

or

U = 2 x Umax.;

whichever is the less severe;

0.1 s on; 2.5 s off; 1000 cycles

± (1 %

R + 0.05 Ω)

no visible damage

4.38

-

Electrostatic discharge

(human body model)

IEC 61340-3-1 (1);

3 positive + 3 negative discharges;

ESD voltage acc. to size

± (1 %

R + 0.05 Ω)

4.22

6 (Fc)

Vibration

Endurance by sweeping;

10 Hz to 2000 Hz;

no resonance;

amplitude

≤ 1.5 mm or ≤ 200 m/s2;

7.5 h

± (0.25 %

R + 0.05 Ω)

no visible damage

± (0.5 %

R + 0.05 Ω)

no visible damage

4.17

58 (Td)

Solderability

Solder bath method,

SnPb40; non-activated flux

(235 ± 5) °C; (2 ± 0.2) s

Good tinning (

≥ 95 % covered);

no visible damage

Solder bath method,

Sn96.5Ag3Cu0.5;

non-activated flux

(245 ± 5) °C; (3 ± 0.3) s

4.18

58 (Td)

Resistance to

soldering heat

Soldering bath method;

(260 ± 5) °C; (10 ± 1) s

± (0.25 %

R + 0.05 Ω) ± (0.5 % R + 0.05 Ω)

4.29

45 (XA)

Component solvent

resistance

Isopropyl alcohol;

+50 °C; method 2

No visible damage

4.32

21 (Uu3)

Shear (adhesion)

CRCW0402 and CRCW0603: 9 N

No visible damage

CRCW0805 to CRCW2512: 45 N

4.33

21 (Ue1)

Substrate bending

Depth 2 mm; 3 times

± (0.25 %

R + 0.05 Ω)

no visible damage,

no open circuit in bent position

4.7

-

Voltage proof

U = 1.4 x Uins; 60 s

No flashover or breakdown

4.35

-

Flammability,

needle flame test

IEC 60695-11-5 (1);

10 s

No burning after 30 s

TEST PROCEDURES AND REQUIREMENTS

EN

60115-1

CLAUSE

IEC

60068-2

(1) TEST

METHOD

TEST

PROCEDURE

REQUIREMENTS PERMISSIBLE

CHANGE (

ΔR)

STABILITY CLASS 1

OR BETTER

STABILITY CLASS 2

OR BETTER

Stability for product types:

1

Ω to 10 MΩ

D/CRCW e3

15 x P

70 x R