Document Number: 28769

www.vishay.com

Revision: 16-Oct-09

163

MBA/SMA 0204 HF

High Frequency Thin Film Leaded Resistors

Vishay Beyschlag

12NC INFORMATION FOR HISTORICAL CODING REFERENCE

Last Digit of 12NC Indicating Resistance Decade

Ordering Example (For historical coding reference of

MBA 0204 HF)

The ordering code of a MBA 0204 HF resistor, value 51

Ω

and TCR 50 with ± 2 % tolerance, supplied on bandolier

ammopack, in a box units is: 2312 908 05109.

4.13

-

Short time

overload

Room temperature;

U = 2.5 x

or

± (0.1 %

R + 0.01

Ω)

no visible damage

4.19

14 (Na)

Rapid change of

temperature

30 min at LCT and

30 min at UCT; 5 cycles

± (0.1 %

R + 0.01

Ω)

no visible damage

4.29

45 (XA)

Component

solvent

resistance

Isopropyl alcohol + 23

°C;

toothbrush method

marking legible;

no visible damage

4.18.2

20 (Tb)

Resistance to

soldering heat

Unmounted components;

(260 ± 3) °C; (10 ± 1) s

± (0.1 %

R + 0.01

Ω)

no visible damage

4.17

20 (Ta)

Solderability

+ 235 °C; 2 s

solder bath method;

SnPb40

Good tinning (

≥ 95 % R covered);

no visible damage

+ 245 °C; 3 s

solder bath method;

SnAg3Cu0.5

4.22

6 (B4)

Vibration

6 h; 10 Hz to 2000 Hz 1.5 mm

± (0.1 %

R + 0.01

Ω)

4.16

21 (Ub)

21 (Uc)

Robustness of

terminations

Tensile, bending and torsion

± (0.1 %

R +0.01

Ω);

no visible damage

4.7

-

Voltage proof

No flashover or breakdown

TEST PROCEDURES AND REQUIREMENTS

IEC

60115-1

CLAUSE

IEC

60068-2-xx

TEST

METHOD

TEST

PROCEDURE

REQUIREMENTS

PERMISSIBLE CHANGE (

ΔR max.)

Stability for product types:

MBA/SMA 0204 HF

1.5

Ω to 470 Ω

P

RESISTANCE DECADE

LAST DIGIT

1

Ω to 9.99 Ω

8

10

Ω to 99.9 Ω

9

100

Ω to 999 Ω

1

12NC CODE FOR HISTORICAL CODING REFERENCE OF MBA 0204 HF

DESCRIPTION

2312 ... .....

BANDOLIER IN BOX

AMMOPACK

TYPE

TCR

TOL.

C1

1000

units

CT

5000

units

MBA 0204 HF

± 50 ppm/K

± 2 %

903 0....

908 0....