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Document Number: 20035

130

Revision: 04-Jun-12

D/CRCW e3

Vishay

Standard Thick Film Chip Resistors

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

TEST PROCEDURES AND REQUIREMENTS

EN

60115-1

CLAUSE

IEC

60068-2

TEST

METHOD

TEST

PROCEDURE

REQUIREMENTS

PERMISSIBLE CHANGE (

R)

SIZE 0402 to 2512

STABILITY

CLASS 1

OR BETTER

STABILITY

CLASS 2

OR BETTER

Stability for product types:

D/CRCW e3

1

 to 10 M

4.5

-

Resistance

-

± 1 %

± 5 %

4.7

-

Voltage proof

No flashover or breakdown

4.13

-

Short time overload

U = 2.5 x

 2 x U

duration: Acc. to style

±

0.25 % R + 0.05)±0.5 % R + 0.05)

4.17.2

58 (Td)

Solderability

Solder bath method;

Sn60Pb40

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

Good tinning (

 95 % covered)

no visible damage

4.8.4.2

-

Temperature

coefficient

(20/- 55/20)

C and

(20/125/20)

C

± 100 ppm/K

± 200 ppm/K

4.32

Shear

(adhesion)

RR 1608 and smaller: 9 N

RR 2012 and larger: 45 N

No visible damage

4.33

Substrate bending

Depth 2 mm;

3 times

No visible damage, no open circuit in bent position

± (0.25 % R + 0.05

)

4.19

14 (Na)

Rapid change of

temperature

30 min. at - 55 °C;

30 min. at 125 °C

5 cycles

± (0.25 % R + 0.05

)

± (0.5 % R + 0.05

)

1000 cycles

± (1 % R + 0.05

)± (1 % R + 0.05 )

4.23

-

Climatic sequence:

-

± (1 % R + 0.05

)± (2 % R + 0.1 )

4.23.2

2 (Ba)

Dry heat

125 °C; 16 h

4.23.3

30 (Db)

Damp heat, cyclic

55 °C;

 90 % RH;

24 h; 1 cycle

4.23.4

1 (Aa)

Cold

- 55 °C; 2 h

4.23.5

13 (M)

Low air pressure

1 kPa; (25 ± 10) °C; 1 h

4.23.6

30 (Db)

Damp heat, cyclic

55 °C;

 90 % RH;

24 h; 5 cycles

4.23.7

-

DC load

U =

4.25.1

-

Endurance

at 70 °C

U =

 U

1.5 h on; 0.5 h off;

70 °C; 1000 h

± (1 % R + 0.05

)± (2 % R + 0.1 )

70 °C; 8000 h

± (2 % R + 0.1

)± (4 % R + 0.1 )

P

P

P