LTO 150

www.vishay.com

Vishay Sfernice

Revision: 27-Sep-2019

3

Document Number: 50071

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

CONFIGURATION 1: Water cooling heatsink CP15 from Lytron (304 mm x 95.3 mm x 8 mm) with water flow rate 4 LPM and

thermal grease Bluesil Past 340 from BlueStar silicones. MAX08NG from AAVID screwed clip mounting.

CONFIGURATION 2: Air cooling heatsink 0S552 from AAVID (48 mm x 80 mm x 70 mm) and thermal grease Bluesil Past 340

from BlueStar silicones. MAX03HNG from AAVID clipped mounting.

CONFIGURATION 3: Air cooling heatsink 0S550 from AAVID (31.75 mm x 58.7 mm x 70 mm) and thermal grease Bluesil Past

340 from BlueStar silicones. MAX03HNG from AAVID clipped mounting.

MOMENTARY OVERLOAD

In any case the applied voltage must be lower than the

maximum overload voltage of 750 V during 5 s.

ENERGY CURVE (SINGLE PULSE)

The values indicated on the graph below are applicable to

resistors in air or mounted onto a heatsink.



POWER CURVE

POWER RATING

The temperature of the case should be maintained within the

limits specified.

MARKING

Model, style, resistance value (in

), tolerance (in %),

manufacturing date, Vishay Sfernice trademark according

IEC 60062.

CONFIGURATION 1

CONFIGURATION 2

CONFIGURATION 3

Power Dissipation (W)

150

35

26

T° Resistive Element (°C)

175

175

175

0.87

0.87

0.87

0.127

0.33

0.33

0.069

3.09

4.57

Fluid T° (°C)

15 (water)

25 (air)

25 (air)

0.01

0.1

1

10

100

OVERLOAD DURATION IN s

10

-7

10

-6

10

-5

10

-4

10

-3

10

-2

10

-1

10

0

100

1000

10 000

100 000

1 000 000

OVERLOAD DURATION IN s

10

-7

10

-6

10

-5

10

-4

10

-3

10

-2

10

-1

10

0

PACKAGING

Tube of 30 units

0

20

40

60

80

100

120

140

160 175

100

125

75

50

25

0

CASE TEMPERATURE IN °C