MMU 0102 HF, MMA 0204 HF, MMB 0207 HF

www.vishay.com

Vishay Beyschlag

Revision: 26-Oct-15

2

Document Number: 28718

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

Note

• The presented operation modes do not refer to different types of resistors, but actually show examples of different loads, that lead to

different film temperatures and different achievable load-life stability (drift) of the resistance value. A suitable low thermal resistance of the

circuit board assembly must be safeguarded in order to maintain the film temperature of the resistors within the specified limits. Please

information on the general nature of thermal resistance.

Note

MAXIMUM RESISTANCE CHANGE AT RATED DISSIPATION

OPERATION MODE

STANDARD

POWER

MMU 0102 HF

0.2 W

0.3 W

MMA 0204 HF

0.25 W

0.4 W

MMB 0207 HF

0.4 W

1.0 W

Operating temperature range

-55 °C to +125 °C

-55 °C to +155 °C

Permissible film temperature,



F max.

125 °C

155 °C

resistance range, |

R/R| after:

MMU 0102 HF

6.8

 to 470 

6.8

 to 470 

MMA 0204 HF

1.5

 to 475 

1.5

 to 475 

MMB 0207 HF

6.8

 to 470 

6.8

 to 470 

1000 h

 0.25 %

 0.5 %

8000 h

 0.5 %

 1.0 %

225 000 h

 1.5 %

-

TEMPERATURE COEFFICIENT AND RESISTANCE RANGE

TYPE / SIZE

TCR

TOLERANCE

RESISTANCE

MMU 0102 HF

± 50 ppm/K

± 2 %

50

, 6.8  to 470 

E24

MMA 0204 HF

± 50 ppm/K

± 1 %

50

, 1.5  to 475 

E24; E96

MMB 0207 HF

± 50 ppm/K

± 2 %

50

, 6.8  to 470 

E24