VNPC datasheet(3/5 Pages) VISHAY

3 / 5 page

VNPC

www.vishay.com

Vishay MCB

Revision: 08-Aug-16

Document Number: 32505

For technical questions, contact: mcbfixedresistors@vishay.com

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

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Note

(1) The higher of either value.

DISSIPATION

Power PW as a Function of Surface Temperature

P(W) = f (Temperature Surface)

Derating in Power as a Function

of Ambient Temperature

OVERLOADS

Intermittent Overloads

Exceptional Operation

Initial Temperature < 70 °C

k x Pn = f(t)

PERMISSIBLE ENERGY

Repetitive Operation

Energy as a Function of Rn

Pulse Duration < 100 ms

E = f(R)

PERFORMANCES

TESTS

CONDITIONS

REQUIREMENTS

TYPICAL VALUES

Overloads

10 Pn (temp. nom.), 5 s

2 % or 0.05

 (1)

0.4 %

Climatic

-55 °C, 5 cycles, +200 °C

3 % or 0.05

 (1)

Collar insulated

> 102 M



0.2 %

Damp heat

56 days 95 % HR

2 % or 0.05

 (1)

0.1 %

Thermal shocks

Pn -55 °C

2 % or 0.05

 (1)

0.2 %

Shocks

Severity 50 A

0.5 % or 0.05

 (1)

0.25 %

Vibrations

Severity 55/10

0.5 % or 0.05

 (1)

0.25 %

Strength of terminals

Collar 40 N

1 % or 0.05

 (1)

0.1 %

Endurance

500 cycles Pn

90 min / 30 min

5 %

1 %

100

1000

10000

100

50 100 150 200 250 300 350 400 450 500

Axis Title

θ (°C)

amb = 25 °C

100

1000

10000

100

50 100 150 200 250 300 350 400 450 500

Axis Title

amb (°C)

100

1000

10000

0.1

100

1000

Axis Title

t (s)

100

1000

10000

125

250

100

10K

100K

Axis Title

R (

Ω)

Curve 1: VNPC 150

Curve 2: VNPC 120

Curve 3: VNPC 90

Curve 4: VNPC 50

Curve 5: VNPC 30

VNPC Datasheet(PDF) 3 Page - Vishay Siliconix

VNPC Datasheet(HTML) 3 Page - Vishay Siliconix

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