CMA0204 Ver la hoja de datos (PDF) - Vishay Semiconductors

Número de pieza

componentes Descripción

Lista de partido

CMA0204

High Pulse Load MELF Resistor

Vishay Semiconductors 

CMA 0204

Vishay Beyschlag

High Pulse Load MELF Resistor

TEST PROCEDURES AND REQUIREMENTS - continued

EN

60 115-1

CLAUSE

IEC 60068-2

TEST

METHOD

TEST

PROCEDURE

stability for product types:

CMA 0204

4.13

-

short time overload;

standard operation mode

short time overload;

power operation mode

U = 2.5 × P 70 × R ≤ 2 × Umax; 5 s

U = 2.5 × P 70 × R ≤ 2 × Umax; 5 s

4.29

45 (XA)

component solvent resistance isopropyl alcohol; 50 °C; method 2

REQUIREMENTS

PERMISSIBLE CHANGE (∆R/R)

10 Ω to 100 kΩ

± (0.25 % + 0.1 Ω)

± (0.25 % + 0.1 Ω)

no visible damage

4.30

4.17.2

45 (XA)

58 (Td)

solvent resistance of marking

solderability

isopropyl alcohol; 50 °C; method 1,

toothbrush

solder bath method; SnPb40;

non-activated flux;

(215 ± 3) °C; (3 ± 0.3) s

solder bath method;

SnAg3Cu0.5 or

SnAg3.5; non-activated flux;

(235 ± 3) °C; (2 ± 0.2) s

marking legible;

no visible damage

good tinning (≥ 95 % covered);

no visible damage

good tinning (≥ 95 % covered);

no visible damage

4.18.2 58 (Td)

resistance to soldering heat solder bath method ; (260 ± 5) °C; (10 ± 1) s

± (0.5 % + 0.1 Ω)

4.32

4.7

4.35

21 (Ue3)

-

-

shear (adhesion)

voltage proof

flammability

45 N

Urms = Uins; 60 s

IEC 60 695-2-2, needle flame test; 10 s

no visible damage

no flashover or breakdown

no burning after 30 s

ORDERING INFORMATION

Components may be ordered by using either a simple clear

text ordering code, see “Type description and ordering code”

or Vishay BCcomponents’ unique 12NC.

Numeric Ordering Code (12NC)

• The resistors have a 12-digit ordering code starting with

2312.

• The subsequent 4 digits indicate the resistor type,

specification and packaging; see the 12NC Ordering Code

table.

• The remaining 4 digits indicate the resistance value:

– The first 3 digits indicate the resistance value.

– The last digit indicates the resistance decade in

accordance with the 12NC Indicating Resistance

Decade table.

Last Digit of 12NC Indicating Resistance Decade

RESISTANCE DECADE

10 Ω to 99.9 Ω

100 Ω to 999 Ω

1 kΩ to 9.99 kΩ

10 kΩ to 99.9 kΩ

100 kΩ to 999 kΩ

LAST DIGIT

9

1

2

3

4

Ordering Example

The ordering code of a CMA 0204 resistor, value 47 kΩ with

± 2 % tolerance, supplied in blister tape of 3000 units per reel

is: 2312 159 24703.

12NC ORDERING CODE - resistor type and packaging

DESCRIPTION

TYPE

CMA 0204

TOL.

±2%

BL

159 2....

ORDERING CODE 2312 ... .....

BLISTER TAPE ON REEL

B0

149 2....

Resistance ranges printed in bold are preferred T.C. / tolerance combinations with optimized availability.

www.vishay.com

8

For technical questions contact: ff3bresistors@vishay.com

Document Number: 28717

Revision: 27-Feb-04

Share Link: