Document Number: 20008

www.vishay.com

Revision: 18-Nov-10

123

D/CRCW

Lead (Pb)-Bearing Thick Film, Rectangular Chip Resistors

Vishay

TEST PROCEDURES AND REQUIREMENTS

EN

60115-1

CLAUSE

IEC

60082-2

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

1

Ω to 10 MΩ

D/CRCW

4.5

-

Resistance

-

± 1 %

± 5 %

4.7

-

Voltage proof

No flashover or breakdown

4.13

-

Short time overload

U = 2.5 x

duration: Acc. to style

± (0.25 %

R + 0.05

Ω)

± (0.5 %

R + 0.05

Ω)

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

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

Ω)

4.19

14 (Na)

Rapid change of temperature

30 min. at - 55 °C;

30 min. at 125°C

5 cycles

1000 cycles

± (0.25 %

R + 0.05

Ω)

± (1 %

R + 0.05

Ω)

± (0.5 %

R + 0.05

Ω)

± (1 %

R + 0.05

Ω)

4.23

-

Climatic sequence:

-

± (1 %

R + 0.05

Ω)± (2 % R + 0.1 Ω)

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 =

1.5 h on; 0.5 h off;

70 °C; 1000 h

70 °C; 8000 h

± (1 %

R + 0.05

Ω)

± (2 %

R + 0.1

Ω)

± (2 %

R + 0.1

Ω)

± (4 %

R + 0.1

Ω)

4.18.2

58 (Td)

Resistance to soldering heat

Solder bath method

(260 ± 5) °C; (10 ± 1) s

± (0.25 %

R + 0.05

Ω)

± (0.5 %

R + 0.05

Ω)

4.35

-

Flamability, needle flame test

IEC 60695-11-5;

10 s

No burning after 30 s

4.24

78 (Cab)

Damp heat, steady state

(40 ± 2) °C;

(93 ± 3) % RH; 56 days

± (1 %

R + 0.05

Ω)

4.25.3

-

Endurance at upper

category temperature

155 °C; 1000 h

± (1 %

R + 0.05

Ω)± (2 % R + 0.1 Ω)

4.40

-

Electrostatic discharge

(human body model)

IEC 61340-3-1;

3 pos. + 3 neg. discharges;

ESD test voltage acc. to size

± (1 %

R + 0.05

Ω)

4.29

45 (XA)

Component solvent resistance

Isopropyl alcohol;

50 °C; method 2

No visible damage

4.30

45 (XA)

Solvent resistance of marking

Isopropyl alcohol;

50 °C; method 1, toothbrush

Marking legible,

no visible damage

P

P